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Wilson-Bey v. United States


July 20, 2006


Appeals from the Superior Court of the District of Columbia. (F-504-00 and F-505-00) (Hon. Russell F. Canan, Trial Judge).

The opinion of the court was delivered by: Schwelb, Senior Judge

Argued En Banc March 20, 2006

Before WASHINGTON, Chief Judge, FARRELL, RUIZ, REID, GLICKMAN, and KRAMER, Associate Judges, and WAGNER and SCHWELB,*fn1Senior Judges.

Following a jury trial, Lakeisha Wilson-Bey and Sckeena Marbury, who are sisters, were both convicted of first-degree premeditated murder while armed, in violation of D.C. Code §§ 22-2401, -3202 (1996).*fn2 The two women were also found guilty of several other offenses stemming from the same homicide.*fn3

The prosecution's theory at trial was that Ms. Wilson-Bey, who was twenty-one years old at the time that the offenses were committed, was the principal in the premeditated murder of Tomika Blackwell, and that Ms. Marbury, who was then eighteen, participated as an aider and abettor.

Both women appealed from their convictions, contending principally that the trial judge instructed the jury erroneously with respect to the "intent" element of "aiding and abetting" first-degree premeditated murder. Specifically, appellants claim that the trial court committed reversible error, in the context of this case, by instructing the jury that "[a]n aider and abettor is legally responsible for the natural and probable consequences of the crime in which [s]he intentionally participates."

On April 7, 2005, a division of this court affirmed appellants' convictions. Wilson-Bey v. United States, 871 A.2d 1155 (D.C. 2005) (Wilson-Bey I). The division noted the existence of substantial authority casting doubt on the appropriateness of the "natural and probable consequences instruction," id. at 1161-62, 1165-66, but concluded that then-binding precedent in this jurisdiction required affirmance of the convictions. Id. at 1163-64. The members of the division expressed the view that consideration of the issue by the en banc court may be warranted. Id. at 1166.

Each appellant petitioned the full court to rehear the case, and on November 2, 2005, we granted both petitions and vacated the opinion of the division in Wilson-Bey I. See Wilson-Bey v. United States, 886 A.2d 77 (D.C. 2005) (per curiam) (en banc) (Wilson-Bey II). We now hold that the trial court's instruction regarding the requisite intent was erroneous, for in any prosecution for premeditated murder, whether the defendant is charged as a principal or as an aider or abettor, the government must prove all of the elements of the offense, including premeditation, deliberation, and intent to kill. Because the instruction given in this case omitted the mens rea element of the offense charged, the error was of constitutional magnitude. Concluding that the erroneous instruction was prejudicial as to Ms. Marbury but harmless beyond a reasonable doubt as to Ms. Wilson-Bey, we reverse Ms. Marbury's conviction of premeditated murder while armed. With a single exception unrelated to the principal issue before us, we affirm Ms. Marbury's other convictions and all of Ms. Wilson-Bey's convictions.*fn4


A. The Evidence

The facts relevant to these appeals were described in Wilson-Bey I, 871 A.2d at 1157-59, and we summarize them briefly, borrowing liberally from the division's narrative. On the evening of January 16-17, 2000, several young women were playing cards in an apartment in southeast Washington, D.C. An argument broke out between the decedent, Tomika Blackwell, and appellant, Sckeena Marbury, who had been drinking heavily. After the two women, whose quarrel was causing a disturbance, left the apartment at the request of their hostess, the dispute escalated from words to blows, and Ms. Blackwell easily bested Ms. Marbury in the fight that followed. At the conclusion of the encounter, Ms. Marbury was lying on the ground with a bloody nose, a knot on her head, a busted lip, and an injured eye. By all accounts, Ms. Marbury was both drunk and angry.

In the hours after her beating, Ms. Marbury related to several of her friends that she had been "jumped" by Tomika Blackwell and two of Tomika's alleged confederates. According to Teresa Brown, in whose car Ms. Marbury was riding away from the scene of the fight, a "ranting and raving" Ms. Marbury proclaimed that "I'm coming back. I'm going to kill that bitch."*fn5 Appellant Lakeisha Wilson-Bey, who had clashed with Ms. Blackwell on a previous occasion,*fn6 was notified of her younger sister's beef, and resorting to terminology identical to that allegedly used by Ms. Marbury, she stated in front of the group of young women that had gathered in the wake of the fight that she was going to "kill that bitch."*fn7 Eventually, the group of eight, including both appellants, armed themselves with knives and baseball bats and set out in a van for Ms. Blackwell's apartment. Their ostensible plan was to find out why Ms. Marbury had been beaten up and to avenge Ms. Marbury by fighting Ms. Blackwell and her friends. All of the women in the van were subsequently charged with first-degree premeditated murder while armed, but several of them agreed to cooperate with the government in exchange for negotiated plea agreements, and three testified at trial against the appellants.*fn8 The facts described below are based largely on their testimony and that of Ms. Blackwell's boyfriend, Arnold Rucker. The prosecution witnesses were all impeached, at least in some measure, but there was evidence which, if credited, would permit an impartial jury to find that both appellants set out deliberately to murder Ms. Blackwell in retaliation for her having beaten up Ms. Marbury, and that Ms. Wilson-Bey repeatedly stabbed the decedent, thus carrying out this premeditated plan. The sufficiency of the evidence cannot be persuasively disputed by either appellant.

The van in which the eight young women travelled to seek out Ms. Blackwell was owned and driven by appellants' friend, Angel Lewis. When the vehicle arrived outside Ms. Blackwell's apartment house, the two appellants and their friend Lashawn Miller ran up to Ms. Blackwell's unit, Apartment 304. According to prosecution witnesses, Ms. WilsonBey had a large butcher knife or steak knife*fn9 in her hand, and Ms. Marbury was carrying both a bat and a knife. The other occupants of the van, several of them armed, followed the initial trio up the stairs.

At the time the appellants arrived on the scene, Ms. Blackwell was inside the apartment with Mr. Rucker and another woman. Rucker became aware of the commotion outside, and he heard someone calling for Ms. Blackwell. Rucker opened the door, and he observed what he described as "a rack of females" in the hall. He testified that several of the women were carrying weapons. Rucker did not know Ms. Wilson-Bey,*fn10 but he recognized Ms. Marbury as the young woman whom Ms. Blackwell had fought and bested earlier that night. According to Rucker, Ms. Wilson-Bey was at the head of the group, holding a butcher knife, and she asked for Tomika. Ms. Blackwell walked to the door, stood behind Rucker, and announced: "I'm right here." Although she was not armed, Ms. Blackwell advanced on Ms. Wilson-Bey. Rucker tried unsuccessfully to restrain Ms. Blackwell, but while he was attempting to do so, Ms. Wilson-Bey swung the knife at Ms. Blackwell several times, inflicting a stab wound near her victim's right eye. Ms. Blackwell, bleeding profusely, nevertheless tried to fight her knife-wielding assailant. The two women struggled on the floor, with Ms. Blackwell on top, and during the ensuing melee, Ms. Wilson-Bey (and apparently one or more other assailants)*fn11 stabbed Ms. Blackwell several more times. One witness testified that Ms. Marbury struck Ms. Blackwell with a bat while Ms. Wilson-Bey was stabbing her; according to Rucker, however, Ms. Marbury was initially just standing there, crying.*fn12

At approximately 4:00 a.m. on January 17, officers from the Metropolitan Police Department arrived at the apartment. They found Ms. Blackwell unconscious, and she was suffering from multiple wounds to the face and body. The officers transported Ms. Blackwell to D.C. General Hospital. At 4:30 a.m., Tomika Blackwell was pronounced dead.

Ms. Blackwell was not the only person who suffered injury to person or property as a result of the criminal activities of the appellants and of the other members of their group. Arnold Rucker was stabbed in the arm, and although he left the hospital before being treated,*fn13 he later testified that he suffered intense pain for two weeks, and the wound left a large scar. Moreover, after the appellants and their friends left Ms. Blackwell bleeding to death in her apartment, they proceeded to the home of Teresa Brown, in whose car Ms. Marbury had earlier left the scene of the fight; they did so because Ms. Marbury had stated that Ms. Brown was one of the women who had joined Ms. Blackwell in attacking Ms. Marbury. Upon arrival at Teresa Brown's apartment house, the women tried to locate Ms. Brown's unit, and they yelled at Ms. Brown to come out. Ms. Wilson-Bey allegedly threatened to kill Ms. Brown; Ms. Marbury allegedly made a similar threat to Ms. Brown's fiancé. When Ms. Brown declined to leave her apartment, several of the women took turns stomping on Ms. Brown's automobile, and they shattered the car windows, inflicting over $700 worth of damage. There was also evidence that after the women had left Ms. Brown's car and apartment and completed the night's revenge-seeking activities, Ms. Wilson-Bey telephoned her brother and gave him the names of all the women who were present at the homicide, thereby implying a threat of reprisal in case any of them "snitched."

A forensic pathologist called by counsel for Ms. Wilson-Bey testified that Ms. Blackwell died as a result of a stab wound in the neck. The witness opined that the fatal injury had been inflicted by a small knife with a narrow blade, and that it could not have been caused by a knife as large as the one Ms. Wilson-Bey was alleged to be carrying.*fn14 At the trial, Ms. Wilson-Bey's attorney contended that his client neither killed the decedent nor intended to kill her; he also argued that Ms. Wilson-Bey was acting in self-defense.

Ms. Marbury's defense was essentially that she was hopelessly drunk and that she took no part in the armed assault on Ms. Blackwell. Neither appellant testified.

B. The Aiding and Abetting Instruction

The issue that led this court to consider this case en banc initially arose at trial when the prosecutor -- not either defense attorney -- asked for a modification of the Redbook Instruction*fn15 on aiding and abetting. The prosecutor's stated goal was to ensure that the government would not be required to prove, in order to secure a first-degree conviction, that Ms. Marbury premeditated the murder or specifically intended that the decedent be killed. Although the government had identified Ms. Wilson-Bey as the principal in the armed premeditated murder of Ms. Blackwell,*fn16 the prosecutor contended that, as an aider or abettor, Ms. Marbury was guilty of the same offense. The prosecutor argued that Ms. Marbury did not have to go with the specific intent to commit the ultimate crime, which in this case would be the killing. [A]ll [that] would be necessary was that she participate in some unlawful manner while present and that she have some desire to participate and to make whatever the unlawful purpose was to succeed in this case.

Subsequently, the prosecutor added:

[O]ur concern is that the jurors would think that the crime in this case is the ultimate crime which was the murder, as opposed to the defendant being guilty if they [sic] participated in any unlawful way at the scene, whether there was the intent to kill, which was the crime, or merely participated in the assault. . . . I want the jury . . . to be clear that as long as they're there and participating [in] the assault, what's going on on that platform, then [all] the defendants can be found guilty [of premeditated murder while armed]. This all goes to foreseeability, natural and reasonable consequences of the acts. I just don't want them to hold the defendants to the commission of the murder.

In order to make it clear to the jury that Ms. Marbury could properly be convicted of armed premeditated murder without intending that Ms. Blackwell be killed, the prosecutor asked the trial judge to modify Instruction 4.02 (Aiding and Abetting) of the 1993 Redbook by making intentional participation in a "criminal venture" (and not merely in a specific crime) a sufficient basis for conviction of first-degree premeditated murder while armed. The judge expressed agreement with the prosecutor's approach, and over defense objection,*fn17 he modified Redbook Instruction No. 4.02 by adding the language italicized below:

Any person who in some way intentionally participates in the commission of a crime or a criminal venture, aid[s] and abets the criminal offender. She, therefore, is as guilty of the crime as she would be if she had personally committed each of the acts that make up the crime.

To find that the defendant aided and abetted in committing a crime, you must find that the defendant knowingly associated herself with the person who committed the crime or criminal venture, that she participated in the crime or criminal venture as something she wished to bring about, and that she intended by her actions to make it succeed.

(Emphasis added.)*fn18

Quoting two bracketed sentences from the Redbook instruction, the judge also charged the jury:

It is not necessary that the defendant have had the same intent that the principal offender had when the crime was committed or that she have intended to commit the particular crime by the principal offender. An aider and abett[o]r is legally responsible for the acts of other persons that are the natural and probable consequences of the crime or criminal venture in which she intentionally participates.

(Emphasis added.) In light of the foregoing italicized language, the court's instruction did not require the prosecution to prove that Ms. Marbury acted upon a premeditated design to kill Ms. Blackwell, that she specifically intended Ms. Blackwell's death, or even that Ms. Marbury knew that her sister (or anyone else) intended to kill the decedent. Cf. Hackney v. United States, 389 A.2d 1336, 1341 (D.C. 1978), cert. denied, 439 U.S. 1132 (1979) (quoting ROLLIN M. PERKINS, CRIMINALLAW 662 (2d ed. 1969)). On the contrary, the jury was explicitly instructed that Ms. Marbury need not be shown to have intended to commit premeditated murder while armed, even though premeditation and deliberation are elements of that offense. See Mills v. United States, 599 A.2d 775, 781 (D.C. 1991).

Ms. Marbury's attorney, as we have noted, objected to the insertion into Redbook Instruction No. 4.02 of the "criminal venture" language. He complained that [i]f you put criminal venture, it negates the same intent as the principal and it makes -- just makes her responsible for anything that happens there. I mean regardless whether or not she had specific intent or whether or not she was just there. I mean -- and that wording it says, look, if you're [there], regardless what happens, you're responsible for it if you use criminal venture.

Although neither defense attorney requested the judge not to give the "natural and probable consequences" instruction, Ms. Marbury's attorney did implicitly argue, in the passage quoted above, that his client, as an aider and abettor, must be shown to have "the same intent as the principal," i.e., the premeditated intent to kill, in order to be guilty of premeditated murder.

Both appellants were found guilty, inter alia, of first-degree premeditated murder while armed. Each was sentenced to serve an aggregate term of thirty-six years to life.


In the order granting appellants' petitions for rehearing en banc, the court explicitly directed the parties to address the applicable standard of review. Wilson-Bey II, 886 A.2d at 78. In this case, the issue as to the proper standard arises in a somewhat unusual posture, because

1. although, in the trial court, appellants objected to a modification of the applicable Redbook instruction on grounds that, if valid, could not be reconciled with the bracketed "natural and probable consequences" language in the instruction itself, neither appellant explicitly objected to that bracketed portion of the instruction; both appellants, however, now challenge that portion on appeal; but 2. in its initial brief to the division, the government did not claim that appellants had failed to preserve the issue raised on appeal, thus arguably waiving the point and implicating the "waiver of the waiver" principle.*fn19

Moreover, in its brief to the en banc court, the government only perfunctorily addressed the question whether appellants' claim of instructional error was preserved and whether this court's review should be for plain error.*fn20

The question whether the challenged instruction was proper -- i.e., what elements the prosecution must prove to show aiding and abetting of premeditated murder -- is one of law. Little v. United States, 709 A.2d 708, 711 (D.C. 1998); accord, Brown v. United States, 881 A.2d 586, 593 (D.C. 2005). Accordingly, our review is de novo, and we accord no deference to the ruling of the trial court.

Rule 30 of the Superior Court's Rules of Criminal Procedure provides in pertinent part:

No party may assign as error any portion of the charge or omission therefrom unless that party objects thereto before the jury retires to consider its verdict, stating distinctly the matter to which that party objects and the grounds of the objection. Opportunity shall be given to make the objection out of the hearing of the jury and, on request of any party, out of the presence of the jury.*fn21

Because appellants did not specifically state to the trial court that aside from the references to "criminal venture," the portions of Redbook Instruction No. 4.02 now challenged on appeal should not be given, they arguably failed to state "distinctly" the matter to which they objected.*fn22 We conclude, however, that in objecting to the "criminal venture" language proposed by the prosecutor as a modification of the Redbook instruction, appellants urged a theory which, if it had been adopted by the trial judge, would have rendered illogical and self-contradictory the portions of the instruction now complained of on appeal. Given the judge's ruling on the objection to "criminal venture" and his explanation of that ruling, any further argument by defense counsel regarding the "natural and probable consequences" instruction, and any further contention that the aider or abettor must be shown to have the specific intent to kill the decedent, "would have fallen on deaf judicial ears. . . ." Reams v. United States, 895 A.2d 914, 921 (D.C. 2006).

It is undisputed, as we have seen, that appellants objected to the instruction that exposed each defendant to accomplice liability if she "knowingly took part in the criminal venture." The grounds for counsel's objection were that the proposed instruction permitted an accomplice to be convicted of premeditated murder without the showing, required when the defendant is charged as a principal, that she had the specific intent to kill the decedent and that she had premeditated and deliberated. Nevertheless, the government contends, though not very forcefully, that appellants did not preserve an objection to the language making an aider and abettor "legally responsible for the acts of other persons that are the natural and probable consequences of the . . . criminal venture in which she intentionally participates." Our reading of the entire record leads us to disagree.

In requesting the redefinition of "crime" to include "criminal venture," the prosecutor expressly linked that modification to the now-challenged instruction, telling the judge that the defendants could be "guilty if they participated in any unlawful way at the scene [of the homicide], whether [or not] there was the intent to kill, . . . [and that this] goes to foreseeability, natural and reasonable consequences of the acts." More tellingly, the judge himself demonstrated his awareness of that link when he rejected appellants' objection to the phrase "criminal venture." The judge stated that he did not understand why, "as a matter of law," the prosecutor's reasoning was "inaccurate," for "[i]f the . . . defendant aided and abetted another in committing an assault with a knife or [with a bat,] . . . that person is . . . legally responsible for the acts of other persons that are the natural and probable consequence of those acts in th[e] criminal venture [in] which [she] intentionally participates." The judge thus indisputably endorsed the principle that (to use his own words) it is "not necessary that the defendant have the same intent that the principal offender had when the crime was committed." The judge also recognized that this principle derives in turn from the accomplice's "legal[] responsib[ility]" for the natural and probable consequences of her actions, a proposition with which the judge likewise explicitly agreed. In these circumstances, we believe that the judge was "on notice that . . . [appellants'] position on the correct rule of law differed from the court's." Russell v. United States, 698 A.2d 1007, 1012 (D.C. 1997). Accordingly, the purpose of the contemporaneous objection rule was satisfied. See, e.g., Watts v. United States, 362 A.2d 706, 708 (D.C. 1976) (en banc). Because appellants' argument was sufficient to "direct the judge's attention to the correct rule of law," Hasty v. United States, 669 A.2d 127, 134-35 (D.C. 1995), their failure to define the reach of their objection with "consummate clarity" is not dispositive. Whitaker v. United States, 617 A.2d 499, 508 (D.C. 1992); see also Russell, 698 A.2d at 1012 ("where there was considerable discussion on the issue between counsel and the court throughout the trial, we think that counsel's failure to submit written requested instructions or to state his objections with exact precision does not compel plain error review"). Although appellants could have stated more explicitly and clearly that they objected to the bracketed portion of the Redbook instruction as written, and not merely to the modification of the instruction by the addition of the words "criminal venture," we conclude, all things considered, that their objections passed muster.*fn23


A. Background

Before the en banc court, as before the division, Ms. Marbury's basic position, joined by Ms. Wilson-Bey,*fn24 is that in first-degree premeditated murder cases, the Redbook instruction on aiding and abetting is inadequate and that it understates the requisite intent. She first argued that "[i]f the charge is first[-]degree murder based upon an alleged deliberate and premeditated killing, the abettor is not guilty of this degree of the crime unless he [or she] either acted upon a premeditated design to cause the death of the deceased or knew that the perpetrator was acting with such an intent. . . ." Hackney, 389 A.2d at 1341 (emphasis added) (quoting at 662). However, Ms. Marbury also quoted another leading commentary, as follows:

To determine the kind of homicide of which the accomplice is guilty, it is necessary to look to his state of mind; it may have been different from the state of mind of the principal and they thus may be guilty of different offenses. Thus, because first-degree murder requires a deliberate and premeditated killing, an accomplice is not guilty of this degree of murder unless he acted with premeditation and deliberation.

WAYNE R. LAFAVE, SUBSTANTIVECRIMINALLAW§ 13.2 (c), at 347 (2d ed. 2003) (emphasis added). Although Ms. Marbury's attorneys initially appeared to have been satisfied with the PERKINS approach, which requires intentional participation by the accomplice in the crime with knowledge of the principal's design to kill (even without proof of a specific intent to kill on the accomplice's part), they now argue, with the support of the Public Defender Service as amicus curiae, for the more demanding LAFAVE standard.

Ms. Marbury also complains of the use in premeditated murder cases of the bracketed "natural and probable consequences" language contained in Redbook Instruction No. 4.02, which was included in the trial judge's charge to the jury in this case. Ms. Marbury again quotes Professor LaFave:

[G]eneral application of the "natural and probable consequence" rule of accomplice liability is unwarranted. A's guilt as an accomplice to one crime should not per se be a basis for holding A accountable for a related crime merely because the latter offense was carried out by A's principal, for this as well would result in A's guilt of a crime as to which he did not have the requisite mental state.

Id., § 13.3 (b), at 362-63.*fn25 Appellants and the Public Defender Service have cited extensive authority consistent with Professor LaFave's approach.

The government responds that this court's precedents have "consistently and thoughtfully" applied the "natural and probable consequences" rule, and it argues that the Redbook instruction is defensible by analogy to the rule rendering conspirators liable for substantive offenses committed by their co-conspirators in furtherance of the conspiracy. See Pinkerton v. United States, 328 U.S. 640, 646-47 (1946); Thomas v. United States, 748 A.2d 931, 934 (D.C. 2000). We hold that conviction of first-degree premeditated murder on an aiding and abetting theory requires the prosecution to prove that the accomplice acted with premeditation and deliberation and intent to kill, and we decline to draw the government's proposed analogy to Pinkerton.*fn26

B. The Aiding-and-Abetting Statute and the Peoni Rule

In assessing appellants' contentions, we begin with D.C. Code § 22-105 (1996), now recodified in D.C. Code § 22-1805 (2001), which reads as follows:

In prosecutions for any criminal offense all persons advising, inciting, or conniving at the offense, or aiding or abetting the principal offender, shall be charged as principals and not as accessories, the intent of this section being that as to all accessories before the fact the law heretofore applicable in cases of misdemeanor only shall apply to all crimes, whatever the punishment may be.

The District's statute was enacted by Congress in 1901, eight years before its federal analogue.*fn27 We have stated that "[o]ur aiding and abetting statute does not differ substantially from its federal counterpart," Hackney, 389 A.2d at 1342, and we can look to the federal courts' interpretation of the federal statute in construing our own.

In United States v. Peoni, 100 F.2d 401 (2d Cir. 1938), Judge Learned Hand, writing for the court, addressed the meaning of the words "aids" and "abets" in the federal statute. Judge Hand surveyed definitions of aiding and abetting throughout centuries of common law, and he concluded as follows:

[A]ll these definitions have nothing whatever to do with the probability that the forbidden result would follow upon the accessory's conduct; . . . [T]hey all demand that he in some sort associate himself with the venture, that he participate in it as in something that he wishes to bring about, that he seek by his action to make it succeed. All the words used -- even the most colorless, "abet" -- carry an implication of purposive attitude towards it.

Id. at 402 (emphasis added). The court held in Peoni that the defendant, who had sold counterfeit bills to a purchaser who had then resold the counterfeit money to a third person, could not be held criminally responsible for the subsequent transaction, even if it was a "natural consequence of [his] original act." Id. In our view, the portions of Redbook Instruction No. 4.02 which appellants have challenged in this case do not require proof that the accomplice harbored the "purposive" intent described by Judge Hand, and are therefore irreconcilable, in the context of this first-degree premeditated murder case, with the well-established Peoni standard.

Although Peoni was decided sixty-eight years ago, it remains the prevailing authority defining accomplice liability. In 1949 the Supreme Court explicitly adopted Peoni's purpose-based formulation. Nye & Nissen v. United States, 336 U.S. 613, 618 (1949). This court has likewise followed Peoni, see, e.g., [Reginald B.] Brooks v. United States, 599 A.2d 1094, 1099 (D.C. 1991); Hackney, 389 A.2d at 1342, and we have held that an accomplice "mustbe concerned in the commission of the specific crime with which the principal defendant is charged[;] he must be an associate in guilt of that crime." Roy v. United States, 652 A.2d 1098, 1104 (D.C. 1995) (emphasis in original).

Every United States Circuit Court of Appeals has adopted Peoni's requirement that the accomplice be shown to have intended that the principal succeed in committing the charged offense, and the federal appellate courts have thus rejected, explicitly or implicitly, a standard that would permit the conviction of an accomplice without the requisite showing of intent.*fn28 The majority of state courts have also adopted a purpose- based standard.*fn29

See also LAFAVE § 13.2 (d), at 349 & n.97. Federal*fn30 and state*fn31 model jury instructions are also generally consistent with Peoni, and require proof that the accomplice intended to help the principal to commit the charged offense.

Although, as we have noted, the courts in a minority of jurisdictions have applied a "natural and probable consequences" approach to accomplice liability, it is significant that some of these courts have recently shifted to a standard consistent with Peoni. In Sharma, supra note 28, for example, the Supreme Court of Nevada reversed the conviction of an alleged aider and abettor for attempted murder (which required a showing of specific intent to kill) because the jury received a "natural and probable consequences" instruction but was not told that the accomplice "must have aided and abetted the attempt with the specific intent to kill." 56 P.3d at 873 (emphasis added). The court noted that the natural and probable consequences doctrine has been harshly criticized by most commentators as both incongruous and unjust because it imposes accomplice liability solely upon proof of foreseeability or negligence when typically a higher degree of mens rea is required of the principal. It permits criminal liability to be predicated upon negligence even when the crime involved requires a different state of mind. Having reevaluated the wisdom of this doctrine, we have concluded that its general application in Nevada to specific intent crimes is unsound precisely for that reason: it permits conviction without proof that the accused possessed the state of mind required by the statutory definition of the crime.

Id. at 871-72 (citations, internal quotation marks, and alterations omitted). Thus, "in order for a person to be held accountable for the specific intent of another under an aiding and abetting theory of principal liability, the aider or abettor must have knowingly aided the other person with the intent that the other person commit the charged crime." Id. at 872 The court relied on the decision of the Supreme Court of New Mexico in State v. Carrasco, 946 P.2d 1075 (N.M. 1997), in which the court likewise disavowed the "natural and probable consequences" doctrine and held that "an accessory must share the criminal intent of the principal." Id. at 1079.

With the exception of the "natural and probable consequences" language, our own aiding and abetting instruction was likewise largely derived from the language in Peoni, and we have repeatedly cited that languageas the standard for accomplice liability. See, e.g., Trapps v. United States, 887 A.2d 484, 489 (D.C. 2005); Outlaw v. United States, 604 A.2d 873, 875 (D.C. 1992); [Reginald B.] Brooks, 599 A.2d at 1099; Hackney, 389 A.2d at 1342. Indeed, the trial judge's instruction in this case, quoted at pp. 10-11, supra, contained the critical language from Peoni. However, the "natural and probable consequences" standard has also been invoked in this jurisdiction, even in cases, such as prosecutions for premeditated murder, in which it runs afoul not only of Peoni, but also of the requirement that the defendant be shown to have a deliberate and premeditated intent to kill. See Wilson-Bey I, 871 A.2d at 1163-64.

C. The Natural and Probable Consequences Standard and the Peoni Rule

In United States v. Heinlein, 160 U.S. App. D.C. 157, 490 F.2d 725 (1973), a felony murder case, the court stated that "the accomplice who aids and abets the commission of a felony is legally responsible as a principal for all acts . . . which are in furtherance of the common design . . . or are the natural and probable consequence of acts done in the perpetration of the felony." 160 U.S. App. D.C. at 167, 490 F.2d at 735. See also Waller v. United States, 389 A.2d 801, 807 (D.C. 1978) (quoting Heinlein, in a felony murder case, for the proposition that an accomplice is responsible for the foreseeable consequences of the underlying felony); Harris v. United States, 377 A.2d 34, 37 (D.C. 1977) (also quoting Heinlein). It is true, in a felony murder case, that an accomplice does not escape liability for a foreseeable death merely because he or she neither intended to kill nor pulled the trigger. To hold otherwise would be to reject the underlying purpose of the felony murder doctrine, which is designed to deter the commission of certain especially dangerous felonies because these particular crimes create an unacceptably high risk of death, and which permits the conviction of the defendant, whether she is a principal or accomplice, without any showing that she intentionally or knowingly caused the decedent's death. See discussion, infra, at pp. 33-34.

Nevertheless, as the division explained in Wilson-Bey I, the standard articulated in Heinlein has also been invoked in premeditated murder cases. See, e.g., Daniels v. United States, 738 A.2d 240, 246 (D.C. 1999); Matthews v. United States, 629 A.2d 1185, 1197 (D.C. 1993); Byrd v. United States, 364 A.2d 1215, 1219 (D.C. 1976).*fn32

In the 1993 edition of the Redbook, the "natural and probable consequences" principle was included in brackets in Instruction No. 4.02, dealing generally with accomplice liability. In our view, however, the application of the bracketed language in Instruction No. 4.02 to a first-degree premeditated murder prosecution renders the instruction internally inconsistent. This is so because the language from Peoni that appears in the instructionrequires the prosecution to prove that the accomplice knowingly associated herself with the commission of the crime, that she participated in the crime as something she wished to bring about, and that she intended by her actions to make it succeed, while the natural and probable consequences theory dispenses with any requirement that the accomplice be shown to have the requisite mental state for conviction of first-degree murder, including premeditation and specific intent to kill.

In Oates v. State, 627 A.2d 555 (Md. Ct. Spec. App. 1993), Judge Charles E. Moylan, Jr., in an especially persuasive opinion, explained why the liability of each participant in criminal homicide committed by several persons must necessarily depend on his or her individual mens rea. Remarking on the "complex matrix of blameworthiness arising out of a single criminal homicide," the judge explained:

When two or more persons are joint participants in a crime, they are joint participants only with respect to a single and common actus reus. Where, however, a single criminal act has different levels of blameworthiness contingent upon the particular mens rea with which it is perpetrated, multiple participants in that crime do not necessarily share the same mens rea. Although joint participation ultimately depends upon a mutual tie to the same criminal act, the individual mentes reae or levels of guilt of the joint participants are permitted to float free and are not tied to each other in any way. If their mentes reae are different, their independent levels of guilt, reflected by nondependent verdicts, will necessarily be different as well.

The mens rea or level of blameworthiness of a principal in the first degree by no means controls the mens rea or level of blameworthiness of a principal in the second degree or of an accessory before the fact. If three co-defendants burst into a motel room and discover the wife of one of them in an act of adultery, what is the crime if the two adulterers are then shot and killed? If the triggerman (the principal in the first degree) is the cuckolded husband, the Rule of Provocation may mitigate his guilt downward to the manslaughter level. The accomplice who hands him the gun, however, will be guilty at least of murder in the second degree, notwithstanding the fact that he is aiding and abetting a mere manslayer. If the third co-defendant, who led the suspicious husband to the motel room in the first place, knew full well what would there be found and had been scheming for some time thereby to get rid of the adulterous lover, his premeditated intent to kill would raise his guilt to the first degree notwithstanding the guilt of his fellow participants at lower levels. Conversely, the principal in the first degree (the triggerman) could have possessed a premeditated intent to kill and his aider and abettor, who handed him the gun in a fit of jealous rage, might be the beneficiary of the Rule of Provocation.

Id. at 558-59.

We agree with the foregoing analysis and, in our view, application of the "natural and probable consequences" standard in the case of an alleged aider and abettor to armed premeditated murder cannot be reconciled with Judge Moylan's reasoning, which posits that each participant's responsibility in a criminal homicide must turn on his or her individual intent or mens rea. Here, appellants were convicted of premeditated murder without any requirement that the prosecution prove the requisite premeditation, deliberation, or intent. This could not be done consistently with Peoni, and the "natural and probable consequences" doctrine cannot be permitted to dilute the principle that the mens rea required to prove premeditated murder, whether by a principal or by an accomplice, necessarily includes premeditation, deliberation, and a specific intent to kill.

The Peoni standard is widely regarded by legal scholars as logical and just. Professor LaFave and the authors of the Model Penal Code have recognized that a "natural and probable consequences" rule imposes liability on an accomplice for the crime committed by the principal on the basis of the accomplice's negligence.*fn33 At least in the present context, we agree with Professor LaFave that a negligence-based approach contravenes basic notions of criminal responsibility:

The "natural and probable consequence" rule of accomplice liability, if viewed as a broad generalization,*fn34 is inconsistent with more fundamental principles of our system of criminal law. It would permit liability to be predicated upon negligence even when the crime involved requires a different state of mind. Such is not possible as to one who has personally committed a crime, and should likewise not be the case as to those who have given aid or counsel.

. . . [G]eneral application of the "natural and probable consequence" rule of accomplice liability is unwarranted. A's guilt as an accomplice to one crime should not per se be a basis for holding A accountable for a related crime merely because the latter offense was carried out by A's principal, for this as well would result in A's guilt of a crime as to which he did not have the requisite mental state.

LAFAVE, § 13.3(b) at 362-63.*fn35

Moreover, it is illogical to hold an accomplice criminally liable for an offense when the accomplice's guilt of that offense stems from his or her negligence:

To say that the accomplice is liable if the offense . . . is "reasonably foreseeable" or the "probable consequence" of another crime is to make him liable for negligence, even though more is required in order to convict the principal actor. This is both incongruous and unjust.

Model Penal Code & Commentaries § 2.06 at 312 n.42.*fn36

A rule imposing criminal liability upon an accomplice for foreseeable consequences, without proof that the accomplice intended those consequences (while, by contrast, a principal must be shown to have the proscribed intent), is also contrary to the underlying purpose of aiding and abetting statutes, which is to "abolish the distinction between principals and accessories and [render] them all principals." Standefer v. United States, 447 U.S. 10, 19 (1980). Enforcing statutory mens rea requirements with respect to principals, while applying a negligence-based standard to accomplices, requires the court to make the very kinds of distinctions which the law was intended to eliminate:

If the mental state for the principal is allowed to differ . . . from that for the aider and abettor or the causer, then the jury would have to first determine in each instance whether the defendant is an aider and abettor . . . or a principal, in order to know which mental state to apply. Requiring the jury to make those distinctions effectively resurrects the pre-1901 state of the law, and stands in direct contradiction to the "no distinction" rule.

What Were They Thinking?, 70 Fordham L. Rev. at 1365, supra note 35. As Judge Moylan suggested in Oates, guilt or the degree of guilt should turn on the mental state of each participant in the crime, and the requisite proof should not automatically be made less demanding for the prosecutor to achieve vis-a-vis one perceived to be an accomplice than with respect to a co-defendant alleged to be the principal.

Focusing on the present appeals, it is particularly inappropriate to permit the conviction of an aider or abettor upon a lesser showing of criminal intent than is required visa-vis a principal when the defendants are being prosecuted for homicide. The District's statutory scheme is designed to relate the degree of the crime and the punishment of the defendant to his or her individual intent. In Comber v. United States, 584 A.2d 26 (D.C. 1990) (en banc), this court, as part of a comprehensive examination of the District's homicide laws and of the mental state required for each form of the offense, reaffirmed that it would not be enough, in order to convict a defendant of, e.g., first-degree murder, that the risk of death was reasonably foreseeable. Id. at 39 n.12.*fn37 We therefore conclude that it serves neither the ends of justice nor the purposes of the criminal law to permit an accomplice to be convicted under a reasonable foreseeability standard when a principal must be shown to have specifically intended the decedent's death and to have acted with premeditation and deliberation, and when such intent, premeditation, and deliberation are elements of the offense.

Finally, District of Columbia law treats a killing as first-degree murder, without requiring proof of intent to kill, only under two carefully circumscribed doctrines: felony murder and conspiracy.*fn38 Our felony murder statute, D.C. Code § 22-2101, imposes criminal responsibility for first-degree murder in the case of a reasonably foreseeable killing, without a showing that the defendant intended to kill the decedent, if the homicide was committed in the course of one of several enumerated felonies. The statute also makes any purposeful killing during the course of any felony first-degree murder. This doctrine is premised on the notion that malice may be presumed from the commission of certain "dangerous" or "violent" felonies that "generally involve[] a risk that . . . someone might be killed." LAFAVE, § 14.5 (a) at 446. Felony murder is a "special crime of peculiar magnitude deemed to warrant proof by unique fashion." Shanahan v. United States, 354 A.2d 524, 526 (D.C. 1976). Holding an accomplice, but not a principal, criminally liable for all unintended foreseeable killings stemming from any intentional crime, including less serious felonies and even misdemeanors, creates an illogical distinction between the two kinds of participants, and it cannot be reconciled with the carefully considered limits to the reach of the felony murder statute, specified by the legislature.*fn39

D. The Pinkerton Doctrine

In its brief to the en banc court, the government contends, for the first time,*fn40 that "it is difficult to draw a principled distinction" between the "natural and probable consequences" rule in the aiding and abetting context and the "parallel doctrine of Pinkerton liability." Contrary to the government's position, however, both the Supreme Court and this court have drawn that very distinction, and have emphasized that Pinkerton liability and aiding and abetting are distinct legal theories that require proof of different elements. As a result, concepts that are applicable in the Pinkerton context "may not be transposed to the related but distinctively different context of aiding and abetting." Erskines v. United States, 696 A.2d 1077, 1080 (D.C. 1997) (emphasis added).

As articulated by this court, the Pinkerton doctrine provides that "a co-conspirator who does not directly commit a substantive offense may [nevertheless] be held liable for that offense if it was committed by another co-conspirator in furtherance of the conspiracy and was a reasonably foreseeable consequence of the conspiratorial agreement." Gordon v. United States, 783 A.2d 575, 582 (D.C. 2001). Thus, in order to secure a conviction in conformity with Pinkerton, the prosecution must prove that an agreement existed, that a substantive crime was committed by a co-conspirator in furtherance of that agreement, and that the substantive crime was a reasonably foreseeable consequence of the agreement between the conspirators. Pinkerton, 328 U.S. at 646-47; Gordon, 783 A.2d at 582. The government is not, however, required to establish that the co-conspirator actually aided the perpetrator in the commission of the substantive crime, but only that the crime was committed in furtherance of the conspiracy.

To establish a defendant's criminal liability as an aider and abettor, on the other hand, the prosecution need not show that an agreement existed between the principal and the accomplice. Rather, as we have seen, the government must prove, in conformity with Peoni, that the accomplice "in some sort associate[d] himself with the venture, that he participate[d] in it as in something he wishe[d] to bring about, [and] that he [sought] by his action to make it succeed." Peoni, 100 F.2d at 402.

In Nye & Nissen, the Supreme Court, in citing with approval the Peoni standard, recognized that Pinkerton liability differs fundamentally from liability for aiding and abetting. The Court explained the distinction as follows:

The rule of [Pinkerton] does service where the conspiracy was one to commit offenses of the character described in the substantive counts. Aiding and abetting has a broader application. It makes a defendant a principal when he consciously shares in any criminal act whether or not there is a conspiracy. And if a conspiracy is also charged, it makes no difference so far as aiding and abetting is concerned whether the substantive offense is done pursuant to the conspiracy. Pinkerton . . . is narrow in its scope. Aiding and abetting rests on a broader base; it states a rule of criminal responsibility for acts which one assists another in performing. The fact that a particular case might conceivably be submitted to the jury on either theory is irrelevant. It is sufficient if the proof adduced and the basis on which it was submitted were sufficient to support the verdict.

336 U.S. at 620 (emphasis added). This court recognized the same distinction in Erskines, holding that "[a]iding and abetting . . . resembles Pinkerton liability but nonetheless differs from it significantly," because, among other things, aiding and abetting requires proof that the defendant "intentionally participated" in the principal's crime. 696 A.2d at 1080-81 (emphasis added).

Although the government, as we have seen, discerns what it believes to be decisive similarity between the "natural and probable consequence" standard applied by the trial judge in this case and the "reasonable foreseeability" standard of Pinkerton, the proposed analogy cannot withstand critical scrutiny. Reasonable foreseeability is only one of the elements that the government must prove to support a conviction under Pinkerton. Pursuant to that doctrine, as we have seen, the government must also prove both that an agreement existed and that the substantive offense was committed by a co-conspirator in furtherance of that agreement. By contrast, in the aiding and abetting context, the "natural and probable consequence" standard as applied by the trial court in this case would make the aider and abettor responsible for all reasonably foreseeable crimes committed by the principal, regardless of whether there was any agreement to commit these crimes or, if there was such an agreement, irrespective of whether the principal's actions were in furtherance of it. We therefore agree with counsel for Ms. Marbury that "the extension of the 'natural and probable consequences' rule to the aiding and abetting context eliminates the other substantive limitations that make the 'reasonably foreseeable' element appropriate in the context of Pinkerton liability, effectively conflating the two doctrines into one omnibus and sprawling theory of vicarious criminal liability."

As we have previously noted in a different context, there are two narrowly defined doctrines that permit conviction for unintended crimes that result from intentional participation in a predicate crime, without proof of the mens rea otherwise required for the subsequent crime. These doctrines are felony murder and conspirator liability under Pinkerton. Legislatures, and sometimes courts, have carved out these exceptions to address specific especially dangerous circumstances: commission of certain serious felonies that inherently create a high risk of homicide, or participation in crimes that depend for their execution on conspiratorial agreements. Where these or similar special circumstances do not exist, e.g., in cases, such as this one, which was prosecuted on an aiding and abetting theory, the raison d'etre for these exceptions does not apply. Significantly, under these carefully circumscribed doctrines, principals and accomplices are treated alike on the basis of each participant's mental state. Accord, Oates, 627 A.2d at 558-59. Accomplices are not treated more harshly than principals -- i.e., they are not subject to conviction on a less demanding standard of proof -- solely because they are accomplices. We agree with the Public Defender Service that these narrow exceptions "prove the rule" that, in first-degree murder prosecutions which are neither for felony murder nor based upon the Pinkerton doctrine, a showing of mens rea is essential; under the government's approach, on the other hand, the exceptions swallow the rule.

Each of the two special doctrines has a unique rationale that does not exist in the markedly different context of accomplice liability.*fn41 The rationale of Pinkerton, which imposes liability on members of a conspiracy for certain acts of co-conspirators, turns on the existence of a criminal agreement. "[T]he agreement is the 'essence' or 'gist' of the crime of conspiracy." LAFAVE, § 12.2 (a) at 266. A criminal conspiracy is an offense "of the gravest character" that implicates concerns beyond the commission of the substantive crime which is the object of the conspiracy:

A conspiracy is a partnership in crime. It has ingredients, as well as implications, distinct from the completion of the unlawful project. . . . . "For two or more to confederate and combine together to commit or cause to be committed a breach of the criminal laws, is an offense of the gravest character, sometimes quite outweighing, in injury to the public, the mere commission of the contemplated crime. It involves deliberate plotting to subvert the laws, educating and preparing the conspirators for further and habitual criminal practices. And it is characterized by secrecy, rendering it difficult of detection, requiring more time for its discovery, and adding to the importance of punishing it when discovered."

Pinkerton, 328 U.S. at 644 (quoting United States v. Rabinowich, 238 U.S. 78 (1915)).

Foreseeable acts of co-conspirators in furtherance of a conspiracy are imputed to the conspirator-defendant because the co-conspirators are deemed by the law to be his agents. Baker v. United States, 867 A.2d 988, 1005 (D.C. 2005). In principle, the law treats the co-conspirator as the conspirator-defendant's alter ego,and presumes him to be bound by the pre-existing conspiracy to achieve his fellow co-conspirators' shared objectives. This court has recognized the uncommon character of this aspect of conspiracy law:

Conspiracy is a unique theory of liability that renders individual defendants guilty of any offense committed by co-conspirators in furtherance of the conspiracy. . . . Special evidentiary rules apply where a conspiracy is charged or alleged, and hearsay evidence . . . may be introduced against a co-conspirator under the exception for admissions or statements of party opponent on the theory that one co-conspirator is the agent of another. . . . [B]ecause the agency theory underlies conspiracy liability, the only admissions of party opponent admissible in a trial where the government seeks to assign vicarious liability to co-conspirators are those statements and acts of a co-conspirator made during and in furtherance of the conspiracy.

Akins v. United States, 679 A.2d 1017, 1028 (D.C. 1996) (emphasis added) (citations omitted).

In contrast, a principal is not an accomplice's agent, and criminal liability attaches to the accomplice even if there is no pre-existing conspiratorial agreement between the two. When the judge delivers the standard aiding and abetting instruction, he or she specifically admonishes the jury that the prosecution need not prove any prior agreement to commit the crime. See Redbook Instruction No. 4.02 (government need not "prove that anyone discussed or agreed upon" the criminal goal). While, in a particular case, an accomplice may also be a co-conspirator, that dual role simply permits the government to proceed on alternative theories. That the prosecution may do so, however, does not mean that the two legal doctrines have collapsed into one another.

Finally, in the present case, the government did not pursue a Pinkerton theory in the trial court (or, for that matter, before the division). It is therefore beyond dispute that the jury was not instructed on Pinkerton liability, nor did it make the findings necessary to support a conviction under that theory. In its brief to the en banc court, the government expressly concedes this point ("To be clear, we do not contend that the jury in this case was instructed on Pinkerton liability and made all of the Pinkerton findings in precisely those terms."). In particular, the jury did not find, nor was it asked to find, that the premeditated murder was committed "in furtherance of" the conspiracy, as required under Pinkerton. This concession by the government further undermines its Pinkerton argument and renders it untenable.

Because the jury was not instructed on the elements of Pinkerton liability, a conviction for premeditated murder may not be sustained on that basis.*fn42

E. The Constitutional Nature of the Error

Ms. Wilson-Bey's attorney argues in his brief to the en banc court that "[t]he instructional error in this case is constitutional error because it eliminated the specific intent, premeditation and deliberation elements of first-degree murder[;] therefore, the Chapman*fn43 test should apply to this case." Counsel for Ms. Marbury, while acknowledging that they argued for the Kotteakos*fn44 standard before the division, have since changed their minds:

Having further considered the matter, Ms. Marbury now believes that the proper standard is actually constitutional harmless error under Chapman v. California, 386 U.S. 18 (1967), which requires reversal unless the error is "harmless beyond a reasonable doubt." Id. at 24. This is because the trial court's instructions had the effect of eliminating the mental state element of the offense from the jury's consideration. In these circumstances, the Supreme Court has made it clear that the error is of constitutional dimension, and consequently that the Chapman harmless error standard should apply. See Neder v. United States, 527 U.S. 1, 15 (1999) (applying Chapman standard where court's instruction omitted element of offense.)

The Public Defender Service, as amicus curiae, agrees with appellants:

Because the District's aiding and abetting statute requires proof that an accomplice acted with the mental state necessary to convict her as a principal, the government here was required to prove, in order for the jury to find Ms. Marbury guilty of first-degree murder, that she acted with a specific intent to kill after premeditation and deliberation. See D.C. Code § 22-210l; Redbook Instruction 4.17. But Instruction 4.02 instead required the jury to find her guilty upon proof that the murder was a "natural and probable consequence" of her involvement in a plan to assault Ms. Blackwell. By omitting three essential mens rea elements of the offense, the instruction violated the Sixth Amendment. See White v. United States, 613 A.2d 869, 872 (D.C. 1992) (en banc). . . . The Court reviews such errors under the harmless-beyond-a-reasonable-doubt standard of [Chapman].

The government has vigorously defended the trial court's "natural and probable consequences" instruction. It has not, however, contested the proposition that if the state-of-mind elements of premeditated murder apply to aiders and abettors, then the error was of constitutional magnitude and implicates the Chapman standard of "harmless beyond a reasonable doubt."*fn45 The government likewise has not argued that Ms. Marbury has waived this point, and we agree with the now essentially uncontested proposition that the Chapman standard applies.

F. Harmless Error Analysis

(1) Ms. Marbury

Ms. Marbury, supported by the Public Defender Service, contends that the trial judge's instructional error was prejudicial to her, rather than harmless beyond a reasonable doubt.*fn46 Although the case against Ms. Marbury was a strong one, we are constrained to agree.

The division unanimously concluded, and so do we, that the government's evidence, if credited, "would permit an impartial jury to find that both appellants set out deliberately to murder Ms. Blackwell in retaliation for her having beaten up Ms. Marbury, and that Ms. Wilson-Bey executed this premeditated plan." Wilson-Bey I, 871 A.2d at 1157-58. Indeed, Teresa Brown testified that Ms. Marbury had openly stated her intention to kill "that bitch," referring to the decedent, and if Ms. Brown's testimony is credited, and if the record is viewed, as it must be for sufficiency purposes, in the light most favorable to the prosecution, then the elements of deliberation, premeditation, and specific intent to kill have been readily satisfied.

But "[m]ere sufficiency of the evidence does not dictate a finding of harmless error."

Bell v. United States, 801 A.2d 117, 129 (D.C. 2002). Even under the less rigorous standard of Kotteakos, "analysis under the harmless error doctrine should not be limited to superficial inquiry as to whether the same verdict would have been possible absent the tainted evidence."*fn47 [Raymond] Brooks v. United States, 367 A.2d 1297, 1309 (D.C. 1976); see also Clark v. United States, 593 A.2d 186, 192 (D.C. 1991). To conclude that an error is harmless, we must find it "highly probable that [that] error did not contribute to the verdict." United States v. Tussa, 816 F.2d 58, 67 (2d Cir. 1987) (emphasis added) (quoting United States v. Corey, 566 F.2d 429, 432 (2d Cir. 1977)); Clark, 593 A.2d at 192; see also In re Ty.B., 878 A.2d 1255, 1267 (D.C. 2005). In the present case, as we have seen, the issue is whether the error was harmless beyond a reasonable doubt, and the foregoing authorities apply a fortiori in Ms. Marbury's favor.

In our view, the government has not satisfied the Chapman standard vis-a-vis Ms. Marbury. Ms. Marbury argues that her inebriation warrants reversal. Voluntary intoxication "may nega[te] the ability of the defendant to form the specific intent to kill, or the deliberation and premeditation necessary to constitute first-degree murder in which event there is a reduction to second-degree murder." Harris v. United States, 375 A.2d 505, 508 (D.C. 1977) (citing Bishop v. United States, 71 U.S. App. 132, 136, 107 F.2d 297, 301 (1939)). The evidence required to support a voluntary intoxication defense, however, is quite exacting -- the record must demonstrate "such a degree of complete drunkenness that a person is incapable of forming the necessary intent essential to the commission of the crime charged." Smith v. United States, 309 A.2d 58, 59 (D.C. 1973); see also Powell v. United States, 455 A.2d 405, 412 (D.C. 1983).*fn48 Although there was extensive testimony regarding Ms. Marbury's drinking and state of intoxication at the time of her fight with Ms. Blackwell and also when she first determined to seek revenge, the effects of the intoxication may well have dissipated by the time of the murder hours later. But even if we assume that Ms. Marbury had the capacity to form the requisite specific intent and to deliberate upon and premeditate a murder, the "cooperating witnesses" testified that appellants and their friends went to Ms. Blackwell's house to find out why Ms. Marbury was beaten up and to fight the decedent and her friends. None testified that there was any plan to kill Ms. Blackwell, and one of the women explicitly denied that the group harbored an intent to kill. Teresa Brown's testimony that Ms. Marbury had declared her intent to kill Ms. Blackwell was, as we have observed, see note 4, supra, subject to substantial impeachment. Thus, taking the evidence as a whole, an impartial juror might readily have a reasonable doubt whether Ms. Marbury in fact formed an intent to kill Ms. Blackwell, as distinguished from an intent to join with others in beating up Ms. Blackwell and her friends. Under the trial court's "natural and probable consequences" instruction, however, a juror who believed that Ms. Marbury's intent was merely to join in an assault on Ms. Blackwell could nevertheless reasonably find Ms. Marbury guilty of aiding and abetting armed premeditated murder. The error was therefore potentially decisive, and we cannot say, with respect to Ms. Marbury, that it was harmless beyond a reasonable doubt.

(2) Ms. Wilson-Bey

Some time after taking a beating from Tomika Blackwell, Ms. Marbury arrived with four of her friends at Ms. Wilson-Bey's home. Ms. Marbury related to her older sister that Ms. Blackwell and her friends had "jumped" her, and Ms. Wilson-Bey looked at Ms. Marbury's injuries, which, as we have noted, included a bloody nose, a busted lip, an injured eye, and a knot on her head. Ms. Wilson-Bey then interrupted Ms. Marbury's narrative, went into the kitchen, grabbed a knife, and told the other women that "I am going to kill that bitch." She subsequently announced that she was going to "fuck one of them up," obviously meaning Ms. Blackwell.

When the group arrived at Ms. Blackwell's apartment house, Ms. Wilson-Bey was one of the three women who rushed up to the decedent's unit, and she immediately spoke for the group, telling Mr. Rucker that she wanted to see Tomika. When an apparently unintimidated Ms. Blackwell came to the door, announced her presence, and advanced towards Ms. WilsonBey, the latter stabbed her near her eye. The two women struggled, and different witnesses estimated that Ms. Wilson-Bey swung her knife at the decedent "at least three times" and "four or five times," causing the victim's blood to flow "everywhere." Subsequently, the group left Ms. Blackwell in a gravely wounded condition and proceeded to Teresa Brown's house, where, according to the testimony, Ms. Wilson-Bey yelled at her: "Come outside, bitch, I'm going to kill you." Finally, Ms. Wilson-Bey made a telephone call to her brother and, in order to ensure that no one would betray her by reporting her deeds to the authorities, she gave him the names of all of the participants in the night's violence.

With respect to the killing itself. Ms. Wilson-Bey was obviously the leader of the group that went to Ms. Blackwell's home to avenge the beating of Ms. Marbury. She was charged with premeditated murder as a principal, on the theory that she was the killer, while the government took the position that Ms. Marbury was an aider or abettor. Some doubt was cast by the medical evidence, however, on the government's theory that it was Ms. WilsonBey who inflicted the fatal wound. The medical examiner, testifying for the prosecution, found numerous stab wounds on the decedent's body. One of the wounds, five to six inches deep, and one half-inch long, transected Ms. Blackwell's jugular vein, penetrated her lung, and resulted in her death. A forensic pathologist called by Ms. Wilson-Bey testified that Ms. Blackwell's wounds were caused by at least two different knives, that the fatal wound was inflicted with a knife that had a narrow blade, and that a large knife, such as the one said to have been wielded by Ms. Wilson-Bey, would not have produced that wound. Ms. Wilson-Bey's attorney argues that his client therefore could not have killed Ms. Blackwell, and that if she participated in the killing at all, it was only as an aider and abettor. Therefore, counsel maintains, Ms. Wilson-Bey was prejudiced by the erroneous instruction regarding the elements of accomplice liability. Moreover, although the government principally argued that Ms. Wilson-Bey was the principal in the killing, the prosecutor also told the jury that both appellants could be found guilty on an aiding and abetting theory.

The evidence that Ms. Wilson-Bey played a leading role in the murder of Ms. Blackwell was overwhelming. "Carrying the murder weapon to the scene of the crime*fn49 'is highly probative of premeditation and deliberation . . . as it permits the inference that appellant arrived on the scene already possessed of a calmly planned and calculated intent to kill.'" Mills, 599 A.2d at 782 (quoting McAdoo v. United States, 515 A.2d 412, 427 (D.C. 1986)). Whether the instructional error was harmless beyond a reasonable doubt boils down to whether an impartial juror could reasonably conclude that Ms. Wilson-Bey did not kill (or help to kill) the decedent with deliberation, premeditation, and the specific intent to cause her death.

The government discerns no difficulty in answering that question in the negative. It asserts, in a footnote to its en banc brief, that no reasonable juror could find in her favor:

Because [Ms.] Wilson-Bey was tried as the principal and the evidence showed that she repeatedly plunged her knife into Ms. Blackwell after earlier declaring her desire to "kill," it is impossible to perceive how the aiding-and-abetting instruction could have harmed her. At any rate, as our recitation of the facts demonstrates, the overwhelming evidence established beyond a reasonable doubt that [Ms.] Wilson-Bey traveled to Atlantic Street with the intent to kill Ms. Blackwell and that she did so with premeditation and deliberation.

We think that the government's assessment of the record as to this appellant is consistent with, and indeed compelled by, common sense. Any impartial trier of fact who credited the prosecution's evidence*fn50 would, in our view, be bound to conclude that Ms. Wilson-Bey intended to kill the decedent, tried to kill her, and succeeded in doing so, either by personally causing her death or by abetting a knife-wielding confederate who actually inflicted the fatal wound if Ms. Wilson-Bey did not. To quote Peoni, Ms. Wilson- Bey, at the very least, intended that the decedent be killed, and she "participated in [the killing] as in something that [s]he wishe[d] to bring about, that [s]he [sought] by [her] action to make it succeed." 100 F.2d at 402. In sum, we conclude that as to Ms. Wilson-Bey, the instructional error was harmless beyond a reasonable doubt, and that revision of the instruction on aiding and abetting to conform to thestandard that we have now adopted would not have affected the jury's verdict as to her.*fn51


For the foregoing reasons, we remand the case to the trial court with directions to vacate both appellants' convictions of assault with a dangerous weapon. See note 3, supra. Ms. Wilson-Bey's remaining convictions are affirmed. Ms. Marbury's conviction of premeditated murder while armed is reversed, and the case is remanded for further proceedings consistent with this opinion;*fn52 Ms. Marbury's other convictions are affirmed.

With respect to those contentions of the appellants which are not explicitly addressed in this opinion, the en banc court reaffirms and adopts the conclusions reached by the division in Wilson-Bey I, 871 A.2d at 1166 n.20.

So ordered.

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