United States v. Barrett , 797 F.3d 1207 ( 2015 )


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  •                                                                               FILED
    United States Court of Appeals
    PUBLISH                             Tenth Circuit
    UNITED STATES COURT OF APPEALS                      August 19, 2015
    Elisabeth A. Shumaker
    TENTH CIRCUIT                           Clerk of Court
    UNITED STATES OF AMERICA,
    Plaintiff - Appellee,
    v.                                                        No. 12-7086
    KENNETH EUGENE BARRETT,
    Defendant - Appellant.
    APPEAL FROM THE UNITED STATES DISTRICT COURT
    FOR THE EASTERN DISTRICT OF OKLAHOMA
    (D.C. Nos. 6:09-CV-00105-JHP and 6:04-CR-00115-JHP-1)
    David B. Autry, Oklahoma City, Oklahoma, (Heather E. Williams, Federal Defender,
    Joan M. Fisher and Tivon Schardl, Assistant Federal Defenders, Sacramento, California,
    with him on the briefs) for Defendant - Appellant.
    Jeffrey B. Kahan, Trial Attorney, United States Department of Justice, Washington, D.C.,
    (David A. O’Neil, Acting Assistant Attorney General, Washington, D.C., Mark F. Green,
    United States Attorney, and Christopher J. Wilson, Assistant United States Attorney,
    Muskogee, Oklahoma, with him on the brief) for Plaintiff - Appellee.
    Before KELLY, HARTZ, and MATHESON, Circuit Judges.
    HARTZ, Circuit Judge.
    Defendant Kenneth Barrett was sentenced to death after being convicted in federal
    court on two counts of felony murder and one count of intentionally killing a state law-
    enforcement officer. We affirmed on direct appeal. See United States v. Barrett,
    
    496 F.3d 1079
    (10th Cir. 2007). Defendant then filed a motion for relief under 28 U.S.C.
    § 2255, which the district court denied. See Barrett v. United States, No. 6:09-civ-105-
    JHP, 
    2012 WL 3542609
    (E.D. Okla. Aug. 16, 2012) (unpublished). We granted a
    certificate of appealability (COA) enabling him to appeal on several of his claims of
    ineffective assistance of counsel. See 28 U.S.C. § 2253(c)(1)(B) (requiring COA to
    appeal denial of § 2255 motion). Exercising jurisdiction under 28 U.S.C. § 2255(d), we
    now consider the merits of those claims and affirm on all but one. Because Defendant
    may be entitled to relief on his contention that his trial attorneys were ineffective by
    failing to investigate and present evidence of his background and mental health for the
    trial’s penalty phase, we reverse and remand for an evidentiary hearing on this issue.
    I.     BACKGROUND
    A.     The Offenses
    In January 1999 a warrant was issued for Defendant’s arrest for failure to appear at
    a state criminal trial on drug charges. That September an agent for Oklahoma’s District
    27 Drug Task Force learned from a confidential informant that Defendant had
    methamphetamine at his residence. The confidential informant also told the agent that
    Defendant had promised to kill any officer who came to arrest him and that he was
    2
    operating his drug business at night because of his belief that law enforcement could not
    execute a search warrant at night. The agent obtained a no-knock, day-or-night search
    warrant for Defendant’s residence. Viewing the execution of the two warrants as high-
    risk, he obtained assistance from the Oklahoma Highway Patrol Tactical Team (the Tact
    Team).
    On the evening of September 23 three troopers surveilled Defendant’s residence in
    a white, unmarked Ford Bronco. Travis Crawford, Defendant’s cousin, was with him at
    the time. According to Crawford, Defendant saw a white vehicle pass by and recognized
    it as belonging to law enforcement, but he said that he did not care and that he “was
    going out in a blaze of glory.” R., Vol. 5 pt. 1 at 629.
    The Tact Team devised its plan to secure Defendant’s residence: Two white
    Broncos and a marked patrol car with its emergency lights activated, each containing two
    troopers, would approach Defendant’s residence single-file from the east while three
    troopers in another patrol car would approach the fence south of Defendant’s residence.
    A fifth vehicle would drive to a trailer occupied by Defendant’s mother, which was west
    of the house, to provide security and protect her. The six troopers approaching from the
    east would enter and secure the residence. Of the three troopers approaching from the
    south, one would stay at the fence to provide sniper cover and the other two would
    apprehend anyone fleeing west from the residence.
    Shortly after midnight on September 24 the Tact Team met with members of the
    Task Force, who planned to follow two minutes after the Tact Team. The Tact Team
    3
    then began to execute its plan. The lead Bronco approaching from the east was driven by
    Trooper John Hamilton with Trooper David “Rocky” Eales as passenger. Its emergency
    lights were not on. The second Bronco and patrol car followed closely behind. The
    patrol car and perhaps the second Bronco had emergency lights on. As the vehicles drove
    toward the residence, the lead Bronco began receiving gunfire at “approximately head
    level, middle of the windshield.” 
    Id. at 700.
    The gunfire intensified as the vehicle drew
    closer. Hamilton was struck in the face with glass or bullet fragments.
    Meanwhile, the troopers coming from the south arrived at the fence. Two of them
    scaled it and headed toward the residence. They saw Defendant’s son, Toby Barrett,
    outside the residence and ordered him to get on the ground. Toby eventually complied.
    The gunfire erupted either shortly before or while they were shouting at Toby. After
    Toby was handcuffed he yelled for his father.
    The lead Bronco continued to receive gunfire until it reached the residence. The
    driver, Hamilton, ducked between the bucket seats. The passenger, Eales, exited and was
    shot three times while attempting to get behind the Bronco. Hamilton threw a “flash-
    bang” stun grenade out the window, which temporarily stopped the gunfire. 
    Id. at 707.
    He exited the Bronco and was shot in the shoulder as he moved toward Eales, who was
    lying face-down. Trooper Ricky Manion joined him behind the vehicle. Hamilton saw
    Defendant standing in his doorway holding a rifle, and Manion saw him entering the
    house. Hamilton fired two shots at Defendant that missed, but Manion shot him through
    a window and hit his legs. Defendant was dragged out to the front yard. He tried to
    4
    move his hand toward the front of his body, where he had a pistol in his waistband, but he
    was subdued and the gun removed.
    Eales was fatally wounded. An autopsy indicated that one of the three bullets
    entered his upper back, broke four ribs, and perforated his left lung and aorta.
    Later investigation showed that 18 bullets struck the lead Bronco and that
    Defendant probably fired 19 shots from a Colt Sporter .223 rifle (there were 72 rounds
    remaining in a set of three magazines taped together to hold 90 rounds, and one could
    have been in the chamber to start). A search of the premises revealed several firearms,
    including two that were loaded, and various items used to manufacture
    methamphetamine. A later search of Defendant’s clothes at a police laboratory revealed
    $2120.10 in cash and plastic bags holding red phosphorus, an ingredient for
    manufacturing methamphetamine.
    B.     Procedural History
    The same day as the shootings, Defendant was charged by information in
    Oklahoma state court with one count of first-degree murder and three counts of shooting
    with intent to kill. After several amendments the final information charged him with one
    count of first-degree murder (for Eales’s death), one count of shooting with intent to kill
    (for shooting Hamilton), and two counts of discharging a firearm with intent to kill (for
    shots fired at two other troopers). His first state trial resulted in a hung jury. In 2004 he
    was retried and found not guilty on the two counts of discharging a firearm with intent to
    kill but guilty on two lesser-included offenses—namely, manslaughter, instead of first-
    5
    degree murder, and assault and battery with a dangerous weapon, instead of shooting
    with intent to kill. He was sentenced to 30 years in prison.
    On September 23, 2004, Defendant was charged with various federal drug and
    murder offenses in the United States District Court for the Eastern District of Oklahoma.
    A superseding indictment charged him with three offenses: (1) causing Eales’s death in
    the course of using a firearm in furtherance of a drug-trafficking offense, see 18 U.S.C.
    § 924(c)(1)(A), (j); (2) causing Eales’s death in the course of using a firearm in
    furtherance of a crime of violence, see id.; and (3) intentionally killing Eales during a
    federal drug offense while Eales was engaged in, and on account of, the performance of
    his official duties, see 21 U.S.C. § 848(e)(1)(B). The government sought the death
    penalty on each count. On November 4, 2005, a jury found him guilty on all three
    counts, and thereafter recommended life imprisonment on the first two and death on the
    third. The judge imposed the recommended sentence. On direct appeal we affirmed the
    convictions and sentence. See Barrett, 
    496 F.3d 1079
    . The Supreme Court denied
    Defendant’s petition for certiorari. See Barrett v. United States, 
    552 U.S. 1260
    (2008).
    Defendant then moved for relief under 28 U.S.C. § 2255. The district court denied
    the motion and declined to issue a COA. See Barrett, 
    2012 WL 3542609
    , at *94.
    Defendant then sought a COA from this court. We granted a COA on seven issues
    related to ineffective assistance of counsel:
    1. “Whether trial counsel provided ineffective assistance in the guilt phase
    by failing to present an expert as to whether the police tactics employed
    6
    during the search warrant’s execution would have identified the police as
    law-enforcement personnel”;
    2. “Whether trial counsel provided ineffective assistance in the guilt phase
    by failing to present a crime-scene expert”;
    3. “Whether trial counsel provided ineffective assistance in the guilt phase
    by failing to investigate and present mental-health evidence”;
    4. “Whether trial counsel provided ineffective assistance in the guilt phase
    by failing to seek an instruction concerning the credibility of drug-addict
    witnesses”;
    5. “Whether trial counsel provided ineffective assistance in the guilt phase
    by failing to seek an instruction on the defense’s theory of the case”;
    6. “Whether appellate counsel provided ineffective assistance by not
    raising the trial court’s refusal to give a lesser-included-offense
    instruction”; and
    7. “Whether trial counsel provided ineffective assistance in the penalty
    phase by failing to develop mitigation evidence.”
    Case Mgmt. Order at 1–2, United States v. Barrett, No. 12-7086 (10th Cir. May 2, 2013).
    II.    DISCUSSION
    A.     Standard of Review
    On appeal from the denial of a § 2255 motion, ordinarily “we review the district
    court’s findings of fact for clear error and its conclusions of law de novo.” United States
    v. Rushin, 
    642 F.3d 1299
    , 1302 (10th Cir. 2011). “[W]here, as here, the district court
    does not hold an evidentiary hearing, but rather denies the motion as a matter of law upon
    an uncontested trial record, our review is strictly de novo.” 
    Id. We review
    claims of
    ineffective assistance of counsel according to the two-pronged test in Strickland v.
    Washington, 
    466 U.S. 668
    (1984). First, a movant must show that counsel’s performance
    was deficient, meaning it “fell below an objective standard of reasonableness as
    measured by prevailing professional norms.” 
    Rushin, 642 F.3d at 1302
    (internal
    7
    quotation marks omitted). This is a demanding standard, requiring a showing that the
    performance was “outside the wide range of professionally competent assistance.” Byrd
    v. Workman, 
    645 F.3d 1159
    , 1168 (10th Cir. 2011) (internal quotation marks omitted).
    The performance “must have been completely unreasonable, not merely wrong.” 
    Id. (internal quotation
    marks omitted). Next, a movant must show prejudice, meaning “there
    is a reasonable probability that, but for counsel’s unprofessional errors, the result of the
    proceeding would have been different.” 
    Rushin, 642 F.3d at 1302
    (internal quotation
    marks omitted). “A reasonable probability is a probability sufficient to undermine
    confidence in the outcome of the trial . . . .” 
    Byrd, 645 F.3d at 1168
    (internal quotation
    marks omitted). “Courts are free to address these two prongs in any order, and failure
    under either is dispositive.” 
    Id. B. Police-Tactics
    Expert
    Defendant first contends that his trial attorneys were ineffective by choosing the
    wrong expert on police tactics. He asserts that criminologist George Kirkham (whom the
    court had authorized the defense to retain as an expert) could have established that the
    Tact Team’s raid was ill-conceived in that it prevented him from knowing that it was
    law-enforcement officers, rather than drug dealers or other trespassers, who had invaded
    his property. Instead of using Kirkham, Defendant’s trial attorneys called as an expert
    witness Cloyce Van Choney, a former FBI SWAT-team leader who had testified for the
    prosecution in the two state trials. Defendant contends that this was an inexplicable
    mistake because his attorneys knew that Choney was extremely hostile and would
    8
    inevitably change his testimony in the federal trial to the defense’s detriment. We
    disagree.
    “[T]he decision of which witnesses to call is quintessentially a matter of strategy
    for the trial attorney.” Boyle v. McKune, 
    544 F.3d 1132
    , 1139 (10th Cir. 2008). And
    “[t]he selection of an expert witness is a paradigmatic example of the type of strategic
    choice that, when made after thorough investigation of the law and facts, is virtually
    unchallengeable.” Hinton v. Alabama, 
    134 S. Ct. 1081
    , 1089 (2014) (per curiam)
    (brackets and internal quotation marks omitted). We are satisfied that the decision to call
    Choney was a strategic choice within the bounds of professionally reasonable conduct.
    Even though Defendant’s trial attorneys did not contact Kirkham, they had good reason
    to use Choney instead. As they said to the trial court at the ex parte hearing to establish a
    trial budget, Choney’s testimony on cross-examination at the first state trial was
    extremely helpful to the defense in establishing that the methods used by the Tact Team
    were contrary to best practices. See R., Vol. 3 at 98–101. At the second state trial, he
    apparently refused to testify for the defense. But when the defense said it would read to
    the jury his testimony from the first trial, the prosecution called him and his testimony
    was, as acknowledged in Defendant’s opening brief on appeal, a “debacle” for the
    prosecution. Aplt. Br. at 19.
    Although Defendant contends that, given Choney’s hostility, he would inevitably
    change his testimony in the federal trial, he had not done so between the two state trials.
    Defendant’s trial attorneys could have reasonably believed his testimony would be much
    9
    the same the third time around. “[F]or counsel to repeat a winning strategy in a later trial
    for the same type of crime, involving the same defendant, strikes us as eminently
    reasonable.” Laws v. Armontrout, 
    863 F.2d 1377
    , 1393 (8th Cir. 1988) (en banc). To the
    contrary, had they departed from that strategy, Defendant may well have argued that it
    was ineffective to do that instead. See Guerrero v. United States, 84 F. App’x 933, 934–
    35 (9th Cir. 2003) (remanding for § 2255 hearing on ineffectiveness claim when attorney
    departed from strategy that led to hung jury in first trial); cf. Putman v. Head, 
    268 F.3d 1223
    , 1229, 1244–45 (11th Cir. 2001) (rejecting habeas applicant’s argument that trial
    counsel in second trial should have followed the same strategy used in first trial).
    Although Defendant contends that his trial attorneys could have avoided the risk of
    Choney’s testimony going awry by calling Kirkham instead, there is no guarantee that
    Kirkham’s testimony would have survived cross-examination. See 
    Boyle, 544 F.3d at 1138
    –39 (medical experts if called may have made damaging concessions on cross-
    examination). They could have rationally concluded that it was preferable to use
    Choney—a known commodity who had testified favorably twice in the past—rather than
    a new expert.
    Defendant’s claim thus fails Strickland’s first prong because the decision to call
    Choney was within “the wide range of professionally competent assistance.” 
    Byrd, 645 F.3d at 1168
    (internal quotation marks omitted).
    10
    C.     Crime-Scene Reconstruction Expert
    Defendant contends that his trial attorneys were ineffective by failing to counter
    the government’s crime-scene reconstruction expert, Iris Dalley. He says they could have
    called or at least consulted with Edward Hueske, a ballistics and crime-scene
    reconstruction expert who had been retained in the state-court proceedings and for whom
    the district court had authorized funding. Instead, they decided to rely solely on cross-
    examining Dalley. According to Defendant, that was an ineffective strategy: His trial
    attorneys should have objected to Dalley’s testimony in the first place; called Hueske as a
    witness; and prepared adequately for Dalley’s testimony by consulting with Hueske and
    reviewing all Dalley’s state-court transcripts.1 Defendant states that Dalley’s testimony
    was damaging for two reasons. First, it placed him standing outside his residence when
    shooting, which countered his defense that he shot from a prone position inside his
    residence where he could not see any emergency lights on the vehicles behind the lead
    Bronco and thus did not know that the intruders were law-enforcement officers. Second,
    Dalley’s testimony established that Eales was shot after he exited the Bronco, which, he
    1
    The government argues that the first and third of these arguments are outside the bounds
    of the COA, which provides for argument only on “[w]hether trial counsel provided
    ineffective assistance in the guilt phase by failing to present a crime-scene expert.” Case
    Mgmt. Order at 1, Barrett, No. 12-7086. Defendant responds that his request for a COA
    on this issue encompassed all the challenges he now raises on appeal. We need not
    decide whether Defendant’s claims exceed the scope of the COA because they fail
    regardless.
    11
    says, again tended to negate Defendant’s defense that he was unaware he was firing on
    law-enforcement officers.
    Central to all of Defendant’s complaints is the contention that his trial attorneys
    could not have made an informed strategic choice to forgo Hueske and rely solely on
    cross-examination of Dalley because they never consulted with Hueske about Dalley’s
    testimony, did not have transcripts of her testimony from the second state trial, and spent
    little time preparing for her cross-examination. The government does not appear to
    contest that Defendant’s trial attorneys consulted no expert and concedes that they were
    without the second-trial transcripts. Nevertheless, the government argues that an
    informed strategic choice was made. It points to an affidavit executed during the § 2255
    proceedings by one of Defendant’s trial attorneys, Roger Hilfiger, which states:
    The State Court transcripts caused me to be aware that during the pendency
    of Mr. Barrett’s Sequoyah County prosecution, the presiding judge had
    considered striking Iris Dalley’s testimony. I felt that during the federal
    trial, the defense could rely on the same plan for cross-examination that
    Mr. Barrett’s lawyers had successfully employed in the county case. I did
    not think that employing a defense expert on crime scene reconstruction
    would make a difference in our ability to confront Ms. Dalley’s testimony.
    Aplee. Br. at 26 (internal quotation marks omitted). And it contends that Dalley’s
    testimony from the first state trial included a critical concession that Defendant’s trial
    attorneys knew would negate her impact: a concession that Defendant may have fired
    every shot from inside his residence.
    As was true for the decision to call Choney, we cannot condemn the decision to
    rely solely on cross-examination of Dalley when that strategy apparently worked well in
    12
    the state trials. According to one of Defendant’s previous lawyers, “[H]er testimony was,
    quite frankly, I think kind of embarrassing for the Government down there, because she
    contradicted her written reports with her testimony in court, and her creation of [a]
    computer model had numerous flaws that were pointed out to the jurors in both trials.”
    R., Vol. 3 at 218. Although consultation with an expert to prepare for cross-examination,
    or calling a rebuttal expert in addition to cross-examination, may have been a better
    choice, we cannot say that failure to do so was deficient performance. “[S]trategic
    choices made after less than complete investigation are reasonable precisely to the extent
    that reasonable professional judgments support the limitations on investigation.”
    
    Strickland, 466 U.S. at 690
    –91. When a strategy produced such favorable results at a
    prior trial on essentially the same charges, a reasonably competent attorney could decide
    that it would be foolhardy to experiment with a different approach absent a good reason
    to believe that some new factor would alter the equation.
    Defendant also contends that his trial attorneys were ineffective for failing to
    consult with Hueske on whether the bullet fragments found in Eales’s body came from
    Defendant’s rifle. A government expert testified that they matched Defendant’s weapon.
    But Defendant has not shown that Hueske would have testified to the contrary. All he
    proffers is a letter from Hueske stating that he was “unable to assess the validity” of the
    government’s bullet-fragment analysis without access to that analysis and the evidence.
    R., Vol. 1a pt. 1 at 1221. This is not enough. To establish the prejudice prong of
    13
    Strickland, Defendant was required to go a step farther, showing that Hueske would have
    contradicted the government’s expert if he had obtained access to the fragments.
    D.     Guilt-Phase Mental-Health Evidence
    Defendant argues that his trial attorneys were ineffective because they failed to
    present evidence of his mental defects during the guilt phase of the trial. Defendant’s
    theory is that this evidence would have borne “directly on what he perceived and what his
    (diminished) intent was in the midst of an unannounced raid led by an unmarked
    vehicle.” Aplt. Br. at 41–42. We need not decide whether Defendant’s trial attorneys
    should have investigated Defendant’s mental health more vigorously during the guilt
    phase of his trial because Defendant has failed to show prejudice.
    Our analysis is guided by United States v. Brown, 
    326 F.3d 1143
    (10th Cir. 2003).
    That opinion noted that “psychological or psychiatric evidence that negates the essential
    element of specific intent can be admissible,” but “[t]he admission of such evidence will
    depend upon whether the defendant clearly demonstrates how such evidence would
    negate intent rather than merely present a dangerously confusing theory of defense more
    akin to justification and excuse.” 
    Id. at 1147
    (internal quotation marks omitted). A court
    must “carefully scrutinize proposed psychiatric evidence to determine whether the
    evidence rests upon a legally acceptable theory for negating intent.” 
    Id. This requires
    screening out invalid legal theories, such as those that show only “impaired volitional
    control or inability to reflect on the consequences of . . . conduct.” 
    Id. The “proper
    focus” is on whether the evidence shows a “link or relationship between the specific
    14
    psychiatric evidence offered and the mens rea at issue in the case.” 
    Id. at 1148
    (internal
    quotation marks omitted). Yet Defendant points to no available expert testimony that he
    could not form the intent to shoot the victims (or any other relevant mens rea). We reject
    this claim of error.
    E.     Jury Instructions
    Defendant’s next issues relate to the failure to give various jury instructions. Most
    of these omitted jury instructions would supplement the jury instructions given by the
    court on Defendant’s three charged offenses, so we set out the relevant portions of those
    instructions. Count One, charging a drug-trafficking felony-murder violation of
    18 U.S.C. § 924(c)(1)(A) and (j), required the jury to find the following elements:
    First: The defendant committed at least one of the drug trafficking
    crimes charged in Count One of the superseding indictment;
    Second: During and in relation to the commission of one of those
    drug trafficking crimes, the defendant knowingly used or carried a firearm,
    or possessed a firearm in furtherance of such drug trafficking crime;
    Third: The firearm played an integral part in one or more of the drug
    trafficking crimes charged in Count One; that is, the firearm increased its
    likelihood of success; and
    Fourth: During the commission of one or more of the drug
    trafficking crimes charged in Count One of the superseding indictment, the
    defendant directly caused the death of David Eales through the use of a
    firearm.
    R., Vol. 1 pt. 1 at 1398–99. Count Two, charging a crime-of-violence felony-murder
    violation of 18 U.S.C. § 924(c)(1)(A) and (j), required the jury to find the following
    elements:
    First: The defendant committed a crime of violence, the killing of a
    state law enforcement officer engaged in or on account of the performance
    15
    of such officer’s official duties, as charged in Count Two of the
    superseding indictment;
    Second: During and in relation to the commission of such crime of
    violence, the defendant knowingly used or carried, or in furtherance of such
    crime of violence possessed a firearm;
    Third: The firearm played an integral part in the crime of violence
    charged in Count Two; that is, the firearm increased its likelihood of
    success; and
    Fourth: During the commission of such crime of violence as charged
    in Count Two, the defendant directly caused the death of David Eales
    through the use of a firearm.
    
    Id. at 1399–1400.
    And Count Three, charging the killing of a state law-enforcement
    officer in violation of 21 U.S.C. § 848(e)(1)(B), required the jury to find the following
    elements:
    1. During the commission of, or in furtherance of, or while attempting to
    avoid apprehension, prosecution, or service of a prison sentence for, a
    felony drug violation;
    2. The defendant, Kenneth Eugene Barrett, intentionally killed and/or
    counseled, commanded, induced, procured and/or caused the intentional
    killing of David Eales;
    3. That David Eales was a State law enforcement officer;
    4. That the defendant, Kenneth Eugene Barrett, knew or had reason to
    know David Eales was a law enforcement officer; and
    5. David Eales was killed while engaging in and on account of the
    performance of his official duties.
    
    Id. at 1411.
    We address in turn each of Defendant’s arguments related to omitted jury
    instructions.
    1.   Self-Defense
    Defendant contends that his trial attorneys were ineffective for failing to request a
    jury instruction on self-defense and defense of another. “A person may resort to self-
    defense if he reasonably believes that he is in imminent danger of death or great bodily
    16
    harm, thus necessitating an in-kind response.” United States v. Toledo, 
    739 F.3d 562
    ,
    567 (10th Cir. 2014). A defendant’s “burden of production to warrant a self-defense
    instruction is not onerous.” 
    Id. at 568
    (internal quotation marks omitted). It requires only
    that there be “evidence sufficient for a reasonable jury to find in his favor.” 
    Id. at 567.
    Because the government must disprove a defense of self-defense beyond a reasonable
    doubt, see United States v. Corrigan, 
    548 F.2d 879
    , 883 (10th Cir. 1977), it follows that
    the defendant need only produce enough evidence to persuade the jury to have a
    reasonable doubt about whether the defendant acted in self-defense. See 
    Toledo, 739 F.3d at 568
    (“a defendant is entitled to an instruction if the evidence viewed in his favor
    could support the defense”). In other words, a self-defense instruction would have been
    warranted if the jury could have had a reasonable doubt about whether Defendant
    reasonably believed he was “in imminent danger of death or great bodily harm, thus
    necessitating an in-kind response.” 
    Id. at 567.
    Perhaps a self-defense instruction was warranted and Defendant’s trial attorneys
    should have requested one. Even so, however, Defendant has failed to show the requisite
    prejudice. To convict on Count Three (and by extension, Count Two) the jury had to find
    that Defendant “knew or had reason to know David Eales was a law enforcement
    officer.” R., Vol. 1 pt. 1 at 1411. Thus, the jury must have found that Defendant knew,
    or that “a reasonable person who possessed the information possessed by [Defendant]
    would have the requisite knowledge,” that Eales was a law-enforcement officer. United
    17
    States v. Williamson, 
    746 F.3d 987
    , 994 (10th Cir. 2014) (defining having reason to
    know).
    In light of that jury finding beyond a reasonable doubt, we think it exceedingly
    unlikely that the jury, on the evidence before it, could have had a reasonable doubt that
    Defendant reasonably believed that he needed to use deadly force to defend himself (or
    anyone else). Nothing in the record would support the view that Defendant had reason to
    believe that law enforcement (who he had reason to know were the “intruders”) had come
    to his home to kill him (or anyone else). The possibility that a self-defense instruction
    would have resulted in acquittal is far too slim to undermine our confidence in the
    verdict.
    2.     Identity of Victim
    Defendant contends that his trial attorneys were ineffective by failing to request an
    instruction that the jury should acquit him if it found that he did not know that the
    vehicles approaching his residence contained law-enforcement officers. But the one-
    sentence “argument” in his brief, which cites no authority, is woefully inadequate to
    preserve this highly questionable proposition for review. See, e.g., Vondrak v. City of Las
    Cruces, 
    535 F.3d 1198
    , 1204 n.4 (10th Cir. 2008) (argument in one-sentence footnote
    insufficient to invoke appellate review).
    3.     Drug Manufacturing
    Defendant argues that his trial attorneys were ineffective for failing to request an
    instruction that he was not engaging in drug manufacturing or distribution when the raid
    18
    took place. We are not persuaded. Count 1 charged a violation of 18 U.S.C.
    § 924(c)(1)(A) and (j), which requires that the defendant “[1] during and in relation to
    any . . . drug trafficking crime . . . , uses or carries a firearm, or . . . [2] in furtherance of
    any such crime, possesses a firearm.” 
    Id. § 924(c)(1)(A).
    Count 3 charged a violation of
    21 U.S.C. § 848(e)(1)(B), which punishes anyone who intentionally kills a law-
    enforcement officer “during the commission of, in furtherance of, or while attempting to
    avoid apprehension . . . for . . . a felony violation of [the drug laws in 21 U.S.C. §§ 801–
    971].” Neither statute required Defendant to be manufacturing or distributing drugs at
    the time of the shooting. Rather, the jury needed to find only that Defendant possessed a
    controlled substance with intent to manufacture or distribute, see 21 U.S.C. § 841(a)(1),
    possessed any equipment or chemical intending to use it to manufacture a controlled
    substance, see 
    id. § 843(a)(6),
    or maintained a place for the manufacture or distribution of
    drugs, see 
    id. § 856(a).
    Since Defendant’s suggested instruction was not warranted under
    the law, his trial attorneys could not have been ineffective for failing to propose it. See
    Hawkins v. Hannigan, 
    185 F.3d 1146
    , 1158 (10th Cir. 1999) (“Because this claim is
    meritless, [defense] counsel was not ineffective for failing to raise it.”); see also
    
    Williamson, 746 F.3d at 990
    (“[O]f course, the court can reject an instruction that
    misstates the law.”).
    4.       Drug-Addicted Witnesses
    Defendant argues that his trial attorneys were ineffective for failing to seek an
    instruction cautioning the jury to assess the testimony of drug-addicted witnesses with
    19
    extra care. Such an instruction should be given when warranted. See United States v.
    Smith, 
    692 F.2d 658
    , 661 (10th Cir. 1982). But the failure to give a drug-addict
    instruction is rendered harmless when vigorous cross-examination and other jury
    instructions alert the jury to view with skepticism a drug addict’s testimony. See United
    States v. Nicholson, 
    983 F.2d 983
    , 991–92 (10th Cir. 1993); United States v. Cook,
    
    949 F.2d 289
    , 295 (10th Cir. 1991); 
    Smith, 692 F.2d at 661
    . The failure was harmless
    here. The government called seven witnesses with a history of drug use, and defense
    counsel cross-examined each of them about that issue. Also, the jury was instructed on
    evaluating the credibility of witnesses in general and to treat with caution the testimony
    of witnesses who have given inconsistent statements, who have been discredited or
    impeached by prior criminal convictions, or who have been promised an advantage for
    testifying. Defendant’s claim that his trial attorneys were ineffective for failing to request
    a drug-addict jury instruction fails the prejudice prong of the Strickland test.
    5.     Lesser-Included Offenses
    Finally, Defendant argues that his attorneys on direct appeal were ineffective for
    failing to raise the trial court’s denial of a lesser-included-offense instruction. During the
    trial both the defense and the prosecution requested an instruction on voluntary
    manslaughter on the theory that it was a lesser-included offense of the crimes charged.
    20
    But the district court rejected the idea, stating its view that the evidence could not support
    that offense and “[i]t’s either murder or it’s nothing.” R., Vol. 5 pt. 2 at 2951.2
    Our analysis begins with the constitutional requirement established in Beck v.
    Alabama, 
    447 U.S. 625
    (1980). Beck holds that a court must not leave the jury with an
    “all-or-nothing” choice between a capital conviction and acquittal when a lesser-included
    offense is available, Hooks v. Ward, 
    184 F.3d 1206
    , 1224 (10th Cir. 1999) (internal
    quotation marks omitted), even when the jury can sentence the defendant on the capital
    charge to something less than death, see 
    id. at 1227.
    Whether one offense is a lesser-
    included offense of another is determined by the law of the jurisdiction prosecuting the
    offense. See Hopkins v. Reeves, 
    524 U.S. 88
    , 94–98 (1998) (because Nebraska law holds
    that second-degree murder and manslaughter are not lesser-included offenses of felony
    murder, defendant charged with capital offense of felony murder was not entitled to
    instructions on those two offenses). Under federal law an offense is not a lesser-included
    offense of another offense “unless the elements of the lesser offense are a subset of the
    elements of the charged offense. Where the lesser offense requires an element not
    required for the greater offense, no [lesser-included-offense] instruction is to be given
    . . . .” Schmuck v. United States, 
    489 U.S. 705
    , 716 (1989).
    2
    The government argues that Defendant defaulted on the claim by failing to raise it on
    appeal. The claim, however, is not that the district court failed to instruct but that
    appellate counsel should have raised the failure on appeal. This claim of ineffective
    appellate counsel obviously could not have been raised until this § 2255 motion.
    21
    We examine whether voluntary manslaughter was an available lesser-included
    offense for any of Defendant’s three counts. Because we decide that it was not available,
    Defendant’s appellate counsel was not inadequate for failing to raise it. See 
    Hooks, 184 F.3d at 1221
    (“If the omitted issue is without merit, [appellate] counsel’s failure to raise it
    does not constitute constitutionally ineffective assistance of counsel.” (internal quotation
    marks omitted)).
    a.      Counts One and Two
    Counts One and Two charged Defendant with felony-murder violations of
    18 U.S.C. § 924(c)(1)(A) and (j). To determine whether a lesser-included offense was
    available, we must first review the statutory scheme underlying these charges.
    Subparagraph (c)(1)(A) provides: “[A]ny person who, during and in relation to any
    crime of violence or drug trafficking crime . . . uses or carries a firearm, or who, in
    furtherance of any such crime, possesses a firearm, shall” be guilty of an offense. See
    Abbott v. United States, 
    562 U.S. 8
    , 12 (2010) (describing § 924(c)(1)(A) as an offense).
    Subsection (j) expands on the offense, treating it as a more serious offense (with harsher
    punishment) when someone is killed as a result. It states:
    (j) A person who, in the course of a violation of subsection (c), causes the
    death of a person through the use of a firearm, shall—
    (1) if the killing is a murder (as defined in [18 U.S.C.] section 1111),
    be punished by death or by imprisonment for any term of years or
    for life; and
    (2) if the killing is manslaughter (as defined in [18 U.S.C.] section
    1112), be punished as provided in that section.
    22
    18 U.S.C. § 924(j). In turn, 18 U.S.C. § 1111(a) states that “[m]urder is the unlawful
    killing of a human being with malice aforethought.” It then sets forth four varieties of
    first-degree murder and one variety of second-degree murder:
    Every murder [1] perpetrated by poison, lying in wait, or any other kind of
    willful, deliberate, malicious, and premeditated killing; or [2] committed in
    the perpetration of, or attempt to perpetrate, any arson, escape, murder,
    kidnapping, treason, espionage, sabotage, aggravated sexual abuse or
    sexual abuse, child abuse, burglary, or robbery; or [3] perpetrated as part
    of a pattern or practice of assault or torture against a child or children; or
    [4] perpetrated from a premeditated design unlawfully and maliciously to
    effect the death of any human being other than him who is killed, is murder
    in the first degree.
    Any other murder is murder in the second degree.
    
    Id. § 1111(a)
    (emphasis added).
    As the jury was instructed, Counts One and Two incorporated only the second
    variety of first-degree murder. This provision—“[e]very murder . . . committed in the
    perpetration of, or attempt to perpetrate, [various crimes]”—is a felony-murder provision,
    with the listed crimes as the available predicate felonies.3
    What is not obvious from the language of §1111, but is settled law in this circuit,
    is that the meaning of malice aforethought, which is required for all murder, is not the
    3
    In his reply brief Defendant mentions in passing that the predicate felonies charged in
    Counts One and Two—drug trafficking and the killing of a law-enforcement officer,
    respectively—are not among the crimes listed in § 1111’s felony-murder provision. This
    mention is not adequate to present the issue for review. And we typically do not consider
    issues first raised in a reply brief, see United States v. Smith, 
    606 F.3d 1270
    , 1284 n.5
    (10th Cir. 2010), especially when the appellant fails to invoke plain error, as is the case
    here, see United States v. MacKay, 
    715 F.3d 807
    , 834 (10th Cir. 2013).
    23
    same for felony murder as it is for the other varieties of murder. See United States v.
    Chanthadara, 
    230 F.3d 1237
    , 1258 (10th Cir. 2000) (although “‘malice aforethought’ is
    an element of every type of murder” under § 1111(a), its meaning “differs with respect to
    each kind of murder” (internal quotation marks omitted)). For felony murder, “malice
    aforethought is proved by commission of the felony, [and] there is no actual intent
    requirement.” 
    Id. In contrast,
    the “malice aforethought” requirement of § 1111(a)’s
    second-degree murder provision requires proof of “(1) intent-to-kill without the added
    ingredients of premeditation and deliberation; (2) intent to do serious bodily injury; (3) a
    depraved-heart; or (4) commission of a felony when the crime does not fall under the
    first-degree murder paragraph of § 1111(a).” 
    Id. (internal quotation
    marks omitted).
    Because § 1111 felony murder does not require proof of any of these four alternatives,
    second-degree murder is not a lesser-included offense of felony murder. We so held in
    Chanthadara:
    Unlike second-degree murder, conviction for felony murder under
    18 U.S.C. § 1111 requires the commission of an enumerated felony with
    the requisite mens rea for the underlying offense. Obversely, second-
    degree murder requires proof that defendant acted with malice
    aforethought, whereas under a felony murder charge the commission of the
    underlying offense substitutes for malice aforethought. Therefore, the
    elements of second-degree murder are not a subset of the elements of first-
    degree felony murder, for each offense requires proof of an element that the
    other does not.
    
    Id. at 1259
    (internal quotation marks omitted).
    Likewise, voluntary manslaughter (Defendant makes no argument regarding
    involuntary manslaughter) is not a lesser-included offense of felony murder. Voluntary
    24
    manslaughter is defined in 18 U.S.C. § 1112(a) as “the unlawful killing of a human being
    without malice” and “[u]pon a sudden quarrel or heat of passion.” We have held:
    [V]oluntary manslaughter encompasses all of the elements of murder: it
    requires proof of the physical act of unlawfully causing the death of
    another, and of the mental state that would constitute malice, but for the
    fact that the killing was committed in adequately provoked heat of passion
    or provocation. Thus, the only difference between second degree murder
    and voluntary manslaughter in the homicide hierarchy is that voluntary
    manslaughter is committed in the heat of passion, and the presence of this
    mitigating factor negates the malice that would otherwise attach given an
    intentional or reckless mental state.
    United States v. Serawop, 
    410 F.3d 656
    , 665 (10th Cir. 2005) (citation and internal
    quotation marks omitted). As we concluded, “Voluntary manslaughter requires proof
    beyond a reasonable doubt that the defendant acted, while in the heat of passion or upon a
    sudden quarrel, with a mental state that would otherwise constitute second degree
    murder—either a general intent to kill, intent to do serious bodily injury, or with
    depraved heart recklessness.” 
    Id. at 666.
    Because felony murder does not require this
    mental state (it requires only commission of the predicate felony, not “a mental state that
    would otherwise constitute second-degree murder,” id.) the elements of voluntary
    manslaughter are not a subset of the elements of felony murder, and therefore voluntary
    manslaughter is not a lesser-included offense of felony murder. See United States v.
    Miguel, 
    338 F.3d 995
    , 1005 (9th Cir. 2003) (“neither [§ 1112] voluntary nor involuntary
    manslaughter is a lesser included offense of [§ 1111] felony murder”).
    b.     Count Three
    25
    Count Three charged Defendant with a violation of 21 U.S.C. § 848(e)(1)(B),
    which provides:
    [A]ny person, during the commission of, [or] in furtherance of, . . a felony
    violation of [the drug laws in 21 U.S.C. §§ 801–971] who intentionally kills
    . . . any Federal, State, or local law enforcement officer engaged in, or on
    account of, the performance of such officer’s official duties . . . shall be
    sentenced . . . up to life imprisonment, or . . . to death.
    Defendant contends that he was entitled to an instruction on voluntary manslaughter as a
    lesser-included offense of this offense. The problem with that contention is that
    Defendant has not identified any federal voluntary-manslaughter statute whose elements
    are a subset of those for this offense. Section 848(e)(1)(B) defines no other offense,
    much less a lesser-included voluntary-manslaughter offense; and, unlike 18 U.S.C.
    § 924(j), it does not incorporate or cross-reference 18 U.S.C. § 1112. Defendant seems to
    suggest that § 1112 can still apply, but it defines a voluntary-manslaughter offense only
    “[w]ithin the special maritime and territorial jurisdiction of the United States,” 
    id. § 1112(b),
    which is quite narrowly defined by 18 U.S.C. § 7 and does not include the area
    around Defendant’s property where the offense occurred.
    As a result, Defendant’s only contention could be that Beck requires the courts to
    create a lesser-included offense for this case. That contention would fail. In 
    Hopkins, 524 U.S. at 96
    –97, the Supreme Court held that Beck does not compel a state court to
    instruct on a noncapital offense that was not a lesser-included offense under the state’s
    law. To do so, the Court reasoned, would “require[] in effect that States create lesser
    included offenses to all capital crimes, by requiring that an instruction be given on some
    26
    other offense—what could be called a ‘lesser related offense’—when no lesser included
    offense exists.” 
    Id. at 97.
    That would be both “unprecedented” and “unworkable”
    because “[u]nder such a scheme, there would be no basis for determining the offenses for
    which instructions are warranted.” 
    Id. That same
    reasoning would also apply to judicial
    creation of a federal criminal offense (which is barred in any case, see United States v.
    Hudson, 11 U.S. (7 Cranch) 32, 34 (1812)).
    c.     Ineffective Assistance
    The above analysis reflects our view that there was no available lesser-included
    offense of voluntary manslaughter for the charges against Defendant. Perhaps we have
    missed something. But even so, in light of that analysis we can hardly say that
    Defendant’s counsel on direct appeal was ineffective for failing to make the argument we
    reject. A reasonable, even a highly competent, attorney could examine the issue and
    decide that raising a lesser-included-offense issue would do little more than detract from
    the strength of other issues to be presented on appeal. See Smith v. Robbins, 
    528 U.S. 259
    , 288 (2000) (“counsel . . . need not (and should not) raise every nonfrivolous claim,
    but rather may select from among them in order to maximize the likelihood of success on
    appeal”); accord Cargle v. Mullin, 
    317 F.3d 1196
    , 1201 (10th Cir. 2003). We therefore
    reject this claim of ineffective assistance of counsel on appeal.
    F.     Penalty-Phase Mental-Health Evidence
    Defendant’s final argument is that his trial attorneys were ineffective by failing to
    properly investigate his background and mental health in preparation for the penalty
    27
    phase of his case. We evaluate trial counsel’s penalty-phase performance “under the
    prevailing professional norms at the time of . . . trial [September 2005 in this case].”
    Porter v. McCollum, 
    558 U.S. 30
    , 39 (2009) (per curiam). We must bear in mind that
    “[b]eyond the general requirement of reasonableness, specific guidelines are not
    appropriate,” and “[n]o particular set of detailed rules for counsel’s conduct can
    satisfactorily take account of the variety of circumstances faced by defense counsel or the
    range of legitimate decisions.” Cullen v. Pinholster, 
    131 S. Ct. 1388
    , 1406 (2011)
    (internal quotation marks omitted). Still, the Supreme Court has emphasized that as a
    general rule counsel has a duty to pursue leads indicating a defendant’s troubled
    background and diminished mental capacity. See Wiggins v. Smith, 
    539 U.S. 510
    , 523–
    525 (2003); see also Hooks v. Workman, 
    689 F.3d 1148
    , 1201 (10th Cir. 2012) (“Counsel
    has a duty to conduct a thorough investigation—in particular, of mental health
    evidence—in preparation for the sentencing phase of a capital trial.” (internal quotation
    marks omitted)). That standard is supported (though not mandated, see Bobby v. Van
    Hook, 
    558 U.S. 4
    , 7‒9 (2009)) by the American Bar Association’s Guidelines for the
    Appointment and Performance of Defense Counsel in Death Penalty Cases (rev. 2003)
    (ABA Guidelines), which state that a capital defense team should include a “mitigation
    specialist” and someone “qualified by training and experience to screen individuals for
    the presence of mental or psychological disorders or impairments.” ABA Guidelines
    4.1.A.1 to .2.
    28
    The issue before us is whether Defendant’s trial attorneys prepared a mitigation
    case that measures up to professional norms and, if not, whether that made a difference.
    In our view, the record before us is inadequate to resolve the issue. Defendant has
    presented considerable evidence supporting his claims. But other evidence may counter
    it. Rule 8(a) of the Rules Governing Section 2255 Proceedings requires the district court
    to review the record “to determine whether an evidentiary hearing is warranted.” That
    decision turns on “whether such a hearing could enable [the movant] to prove the
    [motion’s] factual allegations, which, if true, would entitle the [movant] to . . . relief.”
    Schriro v. Landrigan, 
    550 U.S. 465
    , 474 (2007) (stating standard in § 2254 cases). We
    hold that an evidentiary hearing is necessary to enable the district court to make the
    findings needed to determine whether Defendant has a valid claim. We therefore reverse
    and remand for further proceedings on the issue.
    1.      Deficient Performance
    We begin with an overview of the penalty-phase defense that was presented.
    Defendant’s trial attorneys called his mother, father, stepmother, brother, ex-wife, uncle,
    and cousin to testify that Defendant was a loved family member and good person who
    was sorry for killing Eales. The defense also called a state-court clerk to testify about
    Defendant’s state-court proceedings and his lack of prior felonies, several state-prison
    employees to testify that Defendant was a well-behaved prisoner, two neighbors to testify
    that Defendant was a good mechanic and a nonviolent person, and a bondsman to testify
    that he had no concerns about Defendant’s being a danger while his bench warrant was
    29
    outstanding. None of the witnesses discussed Defendant’s mental health or troubled
    background in any significant detail, and Defendant’s closing argument included only
    one mention of his commitment to a hospital almost 20 years earlier “for drug abuse and
    other treatment,” and that was in the context of describing his “rocky” marriage. R., Vol.
    5 pt. 2 at 4108.
    The defense that was presented apparently helped to some extent. The jury did not
    find unanimously that the government had proved beyond a reasonable doubt that
    Defendant would pose a continuing and serious danger to others in prison, and
    unanimously found that he was a father and a loved son and stepson, and that his death
    would have an impact on his family and friends. Seven jurors found that he was a good
    neighbor and friend; five found that he had accepted responsibility for Eales’s death from
    his state-court conviction and that he had been convicted and punished for the killing; and
    two found that he would not be a danger to society if imprisoned for life without parole.
    What was missing from the presentation was evidence of Defendant’s mental
    condition that could have been persuasive to the jury. In his § 2255 proceedings
    Defendant has presented a case that his defense team did little to investigate his
    background and mental condition. First, it may never have hired a mitigation expert or a
    mental-health professional to assess Defendant’s mental capacity. The district court
    pointed to one of the defense attorneys’ expense vouchers and attached documentation
    that said that they had retained the services of psychologist Jeanne Russell for “mitigation
    and assistance on mental health questions” at least in part because “she [had been]
    30
    consulted during the State trials as the mitigation expert.” Barrett, 
    2012 WL 3542609
    , at
    *72 (internal quotation marks omitted). There is evidence, however, that Dr. Russell’s
    work was restricted to an assessment of Defendant’s future dangerousness. According to
    her declaration in these § 2255 proceedings, she “did not evaluate [Defendant’s]
    neuropsychological functioning or focus on his psychological make-up, as the referral
    request was specific to risk assessment.” Am. Mot. for Collateral Relief, to Vacate, Set
    Aside, or Correct Sentence & for a New Trial, Ex. 56 at 1–2, Barrett, No. 6:09-civ-105-
    JHP (Sept. 25, 2009). She states that in mid-August 2005, about a month before the
    federal trial began, she was approached by Bret Smith, one of Defendant’s trial attorneys,
    to be a mitigation investigator. She declined, stating that she was unqualified to perform
    such an investigation and there was not time to do so. She updated her risk assessment
    on Defendant and submitted it to Defendant’s trial attorneys on September 15. On
    October 12 she visited Defendant in prison but this was after she had already submitted
    her updated report.
    Additional evidence further supports Defendant’s assertion of a lack of effort to
    retain mitigation expertise. According to the declaration of Julia O’Connell, Federal
    Defender for the Northern and Eastern Districts of Oklahoma, defense attorney Hilfiger
    called her office less than three months before the start of trial to ask if her mitigation
    specialist would be willing to meet sometime in the future. O’Connell referred him to
    Dick Burr, a federal death-penalty resource attorney. Burr declares that he never heard
    from Hilfiger or Smith on anything of substance. Similarly, the firm that was approved
    31
    by the court for mitigation services, Inquisitor, Inc., was contacted only once by John
    Echols (an attorney for Defendant who withdrew and was replaced by Smith) and was
    never asked to perform any mitigation work.
    Defendant’s trial attorneys also apparently did little to investigate his background
    or mental health through his family. According to the declarations of the family
    members who testified during the sentencing phase, the trial attorneys’ preparation for
    their testimony consisted more or less of five-minute interviews before going on the
    stand, and none were asked about Defendant’s background, mental health, or family
    history.
    Typically, this kind of superficial investigation would constitute deficient
    performance. See Hooper v. Mullin, 
    314 F.3d 1162
    , 1171 (10th Cir. 2002) (“A decision
    not to undertake substantial pretrial investigation and instead to ‘investigate’ the case
    during the trial is not only uninformed, it is patently unreasonable.” (brackets and internal
    quotation marks omitted)); see also Sears v. Upton, 
    561 U.S. 945
    , 952 (2010) (per
    curiam) (quoting, with apparent approval, the postconviction state-court determination
    that “the cursory nature of counsel’s investigation into mitigation evidence—limited to
    one day or less, talking to witnesses selected by [the defendant’s] mother—was on its
    face constitutionally inadequate”) (ellipsis and internal quotation marks omitted)). The
    government nevertheless offers three reasons why trial counsel’s efforts were not
    deficient: first, they had no indications that Defendant suffered from a mental
    impairment, so there was no reason to pursue that line of inquiry; second, Defendant
    32
    opposed a mitigation strategy based on personal sympathy or his childhood; and third,
    they already had a reasonable mitigation strategy. Each is questionable on this record.
    To support the first argument, the government directs us to the declarations of
    Hilfiger and Smith. They state that nothing in Defendant’s behavior during the federal
    case, nor in what his family members reported to them during interviews, nor in what
    Dr. Russell said to them indicated that Defendant had a significant mental impairment. In
    essence, according to the government, there were no “red flags” indicating a need to go
    further. Rompilla v. Beard, 
    545 U.S. 374
    , 392 (2005) (internal quotation marks omitted);
    see 
    Strickland, 466 U.S. at 690
    –91 (“strategic choices made after less than complete
    investigation are reasonable precisely to the extent that reasonable professional
    judgments support the limitations on investigation”). What the trial attorneys’
    declarations fail to address, however, is whether they ever asked about Defendant’s
    mental health, background, or family history. Cf. Cole v. Trammell, 
    755 F.3d 1142
    , 1161
    (10th Cir. 2014) (“[b]ecause ‘family and social history’ is one of the crucial areas of
    investigation emphasized in the ABA Guidelines,” court assumes that a failure to contact
    family members was constitutionally deficient performance).
    Also, the record suggests that Defendant’s trial attorneys had indications that
    Defendant’s mental health and background merited further investigation. According to
    Echols, Defendant’s previous attorney:
    At the time I withdrew from the case, I advised Mr. Hilfiger that he needed
    to immediately undertake extensive investigation and preparation for a
    possible penalty phase. I explained to him that the work performed by
    33
    Roseann Schaye, the mitigation investigator in the state case, was very
    preliminary in nature and far from complete. Ms. Schaye’s investigation,
    and preliminary consultation with mental health experts prior to the state
    court trial had identified, but not developed, several potentially fruitful
    areas to pursue, including Mr. Barrett’s mental illness and prior suicide
    attempt. In particular, the expert advice included seeking assessment of
    neurological damage and conducting an investigation of family illness.
    R., Vol. 1a pt. 1 at 547. Hilfiger does not recall this conversation, but factual disputes
    should be resolved in an evidentiary hearing. Further, it is undisputed that six months
    before trial Echols and Hilfiger requested funding from the court for an expert on
    diagnosing organic brain disorders resulting from Defendant’s drug use and significant
    head injuries, and that even earlier Echols copied Hilfiger on a letter to the court
    discussing the use of Schaye’s mitigation-investigation services during the state
    proceedings and stating that she and another psychologist “disagreed completely
    concerning Mr. Barrett’s mental well being.” 
    Id. at 967.
    In addition, Hilfiger admits that
    Echols gave him Defendant’s medical, educational, and mental-health records. Those
    records reveal that Defendant developed at a delayed pace as an infant, struggled in
    school, attempted suicide with a shotgun in January 1986, was subjected to a mental-
    health proceeding in October 1986 and committed to a hospital after complaints from his
    mother and ex-wife that he was violent and very suicidal, and was hospitalized for three
    days in 1995 after arriving in the emergency room complaining of “losing his mind.” 
    Id., Vol. 2d
    pt. 8 at 358. During his hospital stay in October 1986 he was diagnosed with
    substance abuse and mixed personality disorder, and during his hospital stay in 1995 he
    was diagnosed with substance abuse and organic affective disorder. Also, the report
    34
    prepared by Dr. Russell and given to Hilfiger and Smith includes a list of records she
    relied upon, which included records noting Defendant’s suicide attempt in January 1986,
    hospital stays in October 1986 and in 1995, and a psychological evaluation completed in
    2002 by psychologist William Sharp, who found that Defendant was paranoid and had a
    family history of depression and mental illness, and who said that his behavior warranted
    investigation for organic brain damage. Defendant’s trial attorneys never contacted
    Dr. Sharp.
    This is evidence that counsel failed to make an effort “to discover all reasonably
    available mitigating evidence” despite ample indication of potential mental-health
    problems. 
    Wiggins, 539 U.S. at 524
    (emphasis and internal quotation marks omitted).
    The government’s second argument is that Defendant’s trial attorneys were
    constrained from conducting a mental-health investigation by their client, who did not
    want a mitigation strategy based on personal pity or embarrassment of his family. The
    government again cites the declarations of Hilfiger and Smith, which both state in
    identical words:
    Mr. Barrett did not want the defense to “beg for his life” during the penalty
    phase of the trial. He did not want the outcome of the case to hinge on
    personal sympathy for him.
    Mr. Barrett did not want the mitigation case to dwell on his childhood. He
    also wanted to minimize the amount of testimony elicited from his
    relatives, particularly his son, mother and ex-wife, though he understood
    that decision could work to his detriment.
    35
    R., Vol. 2d pt. 8 at 346 (paragraph numbering omitted); see also 
    id. at 349
    (same). The
    government also directs us to Defendant’s outburst during the prosecution’s closing
    argument in the guilt phase. After United States Attorney Sheldon Sperling mentioned
    Defendant’s mother, Defendant exclaimed, “Get off my family, Sperling. This is about
    murder, not my family. . . . I’ve heard enough of him talking about my family. Take me
    out of the courtroom. Take me out.” 
    Id., Vol. 5
    pt. 2 at 4151.
    This evidence, however, does not establish an unambiguous command to refrain
    from investigating or presenting evidence of Defendant’s personal history or mental
    health. Defendant has presented evidence that his trial attorneys were not so constrained.
    Echols stated in a declaration that during state-trial preparation Defendant willingly
    submitted to a mental-health examination, provided information about his background,
    and placed no restrictions on mitigation investigation. Smith stated in his declaration that
    Defendant “impressed me as among the most cooperative criminal defense clients I have
    ever had.” 
    Id., Vol. 2d
    pt. 8 at 345. Most strongly indicating Defendant’s cooperative
    attitude is his undated letter to Hilfiger apologizing for his changes of mind and
    expressing his willingness (at least at that moment) to allow his attorneys to do their best
    to win the case:
    [A]t this time I don’t know what I’m doing or going to do. Or should
    do. . . . One day I feel one way and the next I feel another. I guess I have
    no choice now than to let you do your best. . . . Just try your hardest to beat
    this to w[h]ere I can go home. . . . I’ve got alot of thangs that are good for
    this case. So hopefully now that there is no-other means for me but to beat
    this we can put this behind us and start over and do this right and win. I’ll
    try my best to act right.
    36
    
    Id., Vol. 1a
    pt. 1 at 555.
    As for Defendant’s outburst during closing argument (which both his trial
    attorneys say was an exceptional event), Hilfiger suggests in his declaration that it was
    not a reaction to the presentation of mitigation evidence, but to argument about
    Defendant’s family:
    Mr. Barrett’s outburst during the prosecution’s penalty phase argument was
    a very unusual and unanticipated event. That outburst must be placed in a
    perspective that this was toward the end of a very contentious trial. At this
    stage the U.S. Attorney was arguing about the defendant’s mother or step-
    mother, as she related to the case, and Mr. Barrett’s outburst was to inform
    the prosecutor that he was the one on trial and his mother or step-mother
    should not be subjected to that kind of examination.
    
    Id., Vol. 2d
    pt. 8 at 349.
    The government nonetheless contends that the Supreme Court’s opinion in Schriro
    forecloses an evidentiary hearing. We are not persuaded. Schriro involved a challenge
    under 28 U.S.C. § 2254 to a state death sentence. See 
    550 U.S. 465
    . At the sentencing
    hearing the defendant in Schriro confirmed to the judge that he had told his counsel not to
    present mitigating evidence and then repeatedly interrupted his counsel’s efforts to do so,
    often by interjecting incriminating details. See 
    id. at 469‒70.
    The record in this case (at
    least as it currently stands) is hardly as definitive as Schriro’s. Defendant’s one
    ambiguous outburst during closing argument is not the same as repeatedly interrupting at
    sentencing to strengthen the case against oneself. And the conclusory descriptions of
    Defendant’s wishes in the declarations of Hilfiger and Smith are a far cry from the
    Schriro defendant’s statement to the judge at the close of the sentencing hearing, “I think
    37
    if you want to give me the death penalty, just bring it right on. I’m ready for it.” 
    Id. at 470.
    Perhaps most importantly, the Court in Schriro was applying § 2254’s deferential
    standard of review, which permits setting aside the state-court finding of waiver only if it
    “was based on an unreasonable determination of the facts in light of the evidence
    presented in the State court proceeding.” 28 U.S.C. § 2254(d)(2). Given that standard, a
    federal-court evidentiary hearing on waiver was unnecessary.
    Because of the evidence that Defendant (1) changed his mind from time to time on
    how he wished the case to be tried, (2) at least at some times deferred to the best
    judgment of his lawyers, and (3) may not have made a fully informed decision (because
    his attorneys inadequately investigated his background and mental health), we cannot say
    that the unelaborated statements by his attorneys necessarily establish that those attorneys
    were barred by Defendant from pursuing a defense to the death penalty based on his
    background or mental health. We express no opinion on the issue; an evidentiary hearing
    can resolve the matter.
    Finally, the government suggests that the actions of Defendant’s trial attorneys
    were justifiable because they were able to present an alternative yet still effective
    portrayal of Defendant as a beloved family member. But an uninformed choice is not a
    reasonable tactical decision: “[A] decision to focus on one potentially reasonable trial
    strategy [cannot be] justified by a tactical decision when counsel did not fulfill their
    obligation to conduct a thorough investigation of the defendant’s background.” 
    Sears, 561 U.S. at 954
    (citation and internal quotation marks omitted); see also Littlejohn v.
    38
    Trammell, 
    704 F.3d 817
    , 867 (10th Cir. 2013) (Sears and Rompilla “emphasized the need
    for courts to consider the prejudicial effect of counsel’s failure to investigate a viable
    mitigation theory even in the face of an otherwise reasonable mitigation defense”);
    Brecheen v. Reynolds, 
    41 F.3d 1343
    , 1368 (10th Cir. 1994) (“If . . . the decision is not
    tactical, and counsel’s performance is therefore deficient, then the first prong of
    Strickland is satisfied.”). Defendant’s trial attorneys had an obligation to investigate
    carefully before setting out on a course of action, and there is evidence that they did not
    do so.
    2.     Prejudice
    To obtain relief, Defendant must also establish that the alleged deficient
    performance of counsel caused him prejudice. His burden is to show that “there is a
    reasonable probability that, but for counsel’s unprofessional errors, the result of the
    proceeding would have been different.” 
    Rushin, 642 F.3d at 1302
    (internal quotation
    marks omitted). “To assess that probability, we consider the totality of the available
    mitigation evidence—both that adduced at trial, and the evidence adduced in the [§ 2255]
    proceeding—and reweigh it against the evidence in aggravation.” 
    Porter, 130 S. Ct. at 453
    –54 (brackets and internal quotation marks omitted). This is a “probing and fact-
    specific analysis,” which “will necessarily require a court to ‘speculate’ as to the effect of
    the new evidence.” 
    Sears, 561 U.S. at 955
    –56. But we need not be certain that the
    omitted evidence would have changed the outcome of the proceeding: it is sufficient if
    confidence in the outcome has been undermined. See 
    Byrd, 645 F.3d at 1168
    .
    39
    Taking Defendant’s proffered mitigation evidence as true, it is sufficient to require
    an evidentiary hearing. It includes documents and declarations and the assessments of
    three experts: Dr. Bill Sharp, who examined Defendant in 2002; Dr. Myla Young, a
    clinical neuropsychologist who examined Defendant in 2009 and reviewed his records;
    and Dr. George Woods, a psychiatrist who also reviewed Defendant’s records and
    examined him in 2009. The evidence supports the following:
    Defendant’s family has a long history of mental-health problems, alcoholism, and
    abuse. On Defendant’s maternal side, several members of his extended family suffer
    from mental-health problems and relatives of his grandparents committed suicide or were
    involuntarily committed for psychiatric treatment. On his paternal side, several members
    of the extended family have mental-health problems, his great-great-grandfather was
    once committed to a psychiatric hospital, his great-grandfather committed suicide, and
    his grandfather was an alcoholic who spent time in a mental hospital under a Certificate
    of Lunacy and who chronically abused his family members, including Defendant’s father.
    Defendant’s childhood was less than ideal. His father supported the family
    financially but was largely absent. Throughout Defendant’s childhood and adolescence
    his father drank, fought constantly with Defendant’s mother and others, and engaged in
    numerous extramarital affairs. He once had a violent altercation with Defendant’s
    mother. He also punched Defendant once when Defendant was in ninth grade.
    Defendant’s parents separated when he was 10 or 11 years old. His mother drank
    constantly and subjected him to physical and emotional abuse and neglect. Such
    40
    evidence of childhood abuse, neglect, and instability can play a significant role in
    mitigation. See 
    Sears, 561 U.S. at 948
    (emotionally abused by parents, who fought
    physically and divorced, and sexually abused by cousin); 
    Wiggins, 539 U.S. at 516
    –17
    (neglected and abused by birth mother and abused physically and sexually in foster care);
    Williams v. Taylor, 
    529 U.S. 362
    , 395 (2000) (“nightmarish childhood” of abuse and
    neglect by parents and foster home); see also, e.g., 
    Hooks, 689 F.3d at 1203
    (defendant’s
    “premature birth, . . . abusive father, frequent moves, educational handicaps, and personal
    family tragedies” constituted “a life story worth telling”). Also, Dr. Woods said that
    Defendant’s genetic history and poor upbringing increased his risk for developing mental
    disorders and chemical dependency.
    Defendant’s own history suggests mental illness. His mother drank alcohol while
    pregnant with him, he was developmentally delayed as an infant, repeated a grade in
    school, and dropped out after being referred to special-education classes. He suffered
    various incidents of head trauma while growing up and as a young man. He began
    consuming alcohol, tobacco, and other drugs between the ages of 11 and 14, when the
    brain’s frontal lobes are first beginning to develop. In January 1986, at the age of 24, he
    attempted suicide by shooting himself in the chest with a shotgun, after which he
    received psychiatric intervention and was prescribed antidepressants. Later that year he
    was involuntarily committed to a hospital after complaints from his mother and ex-wife
    that he was violent and suicidal; he was diagnosed as suffering from substance abuse and
    mixed personality disorder. In 1995 he was again hospitalized for three days after
    41
    arriving in the emergency room complaining of “losing his mind.” R., Vol. 2d pt. 8 at
    358. He was discharged with diagnoses of substance abuse and organic affective
    disorder. According to Dr. Woods, throughout Defendant’s life he has had a significantly
    impaired ability to function normally and live independently and has suffered from
    irritability, racing thoughts, paranoia, and cognitive impairment.
    Drs. Young, Woods, and Sharp concluded that Defendant labors under substantial
    mental impairment. Dr. Woods diagnosed Defendant with bipolar disorder and
    posttraumatic stress disorder. Dr. Sharp’s evaluation from 2002 (during the state-court
    proceedings) found that Defendant had avoidant personality disorder, long-term memory
    problems, a tremor in his hands, and buzzing in his ears.
    Most important are the findings relating to Defendant’s judgment. Dr. Young said
    (1) that Defendant’s history suggests he has sustained brain damage that inhibits his
    ability to process new information and (2) that tests she administered likewise indicated
    that Defendant’s executive functioning—which involves the ability to reason, anticipate
    consequences to actions, and respond to new information and act accordingly—was
    significantly impaired. She stated that Defendant’s “brain dysfunction . . . would
    particularly impair his abilities to organize, think, reason, plan, anticipate consequences
    of actions, and change actions as needed based on information he receives from the
    environment. His disabilities would be further exacerbated under conditions of
    complexity and/or highly stressful situations.” R., Vol. 1a pt. 1 at 1105. Dr. Woods
    concurred with Dr. Young’s findings. He determined that Defendant suffers from brain
    42
    damage sustained early in his life, which impairs his inhibition, reasoning, and judgment.
    He opined that Defendant’s “frontal lobe impairments are known to be the foundation for
    disinhibition, impaired judgment, and grandiosity/paranoia found in bipolar disorder.”
    
    Id. at 1297.
    Dr. Sharp’s 2002 evaluation found Defendant to be fearful and paranoid, and
    he agreed with Dr. Young’s findings and Dr. Wood’s diagnosis.
    We have said that evidence of mental impairments “is exactly the sort of evidence
    that garners the most sympathy from jurors,” Smith v. Mullin, 
    379 F.3d 919
    , 942 (10th
    Cir. 2004), and that this is especially true of evidence of organic brain damage, see
    
    Littlejohn, 704 F.3d at 864
    (“Evidence of organic mental deficits ranks among the most
    powerful types of mitigation evidence available.”). Organic brain damage is so
    compelling, according to one of our decisions, because “the involuntary physical
    alteration of brain structures, with its attendant effects on behavior, tends to diminish
    moral culpability, altering the causal relationship between impulse and action.” 
    Hooks, 689 F.3d at 1205
    . This evidence goes beyond the generalized mental conditions we have
    determined to be unhelpful in mitigation. See Grant v. Trammell, 
    727 F.3d 1006
    , 1020–
    21 (10th Cir. 2013) (generalized personality disorders, borderline personality disorder,
    bipolar disorder, compulsive personality disorder, and severe emotional distress). It
    enables counsel to “explain to the jury why [the] defendant may have acted as he did[,]
    . . . connect[ing] the dots between, on the one hand, [his] mental problems, life
    circumstances, and personal history and, on the other, his commission of the crime in
    question.” 
    Hooks, 689 F.3d at 1204
    . Little of this evidence was presented to the jury.
    43
    On the other hand, “we do not consider omitted mitigation evidence in a vacuum.”
    Wilson v. Trammell, 
    706 F.3d 1286
    , 1305 (10th Cir. 2013). “[W]e must consider not just
    the mitigation evidence that Defendant claims was wrongfully omitted, but also what the
    prosecution’s response to that evidence would have been.” 
    Id. at 1306;
    cf. Burger v.
    Kemp, 
    483 U.S. 776
    , 788–95 (1987) (reasonable for counsel not to present evidence of
    defendant’s background in mitigation because it would have revealed defendant’s violent
    tendencies).
    That response would have surely called into question Defendant’s diagnoses of
    various mental defects and suggested he was simply a dangerous drug addict. The
    government directs us to evidence that when Defendant was involuntarily committed for
    psychiatric treatment in 1986, his then-wife executed a sworn statement describing
    Defendant as “a very dangerous person to himself and others” and stating that he was
    abusing drugs and had sexually abused her, had kidnapped their son, had destroyed and
    burned her possessions, and had threatened to kill her and to take away their son. R.,
    Vol. 2d pt. 8 at 350. A medical history sheet completed at that time stated that he had no
    symptoms of neurological problems and that he denied having suffered any head injuries.
    Although his discharge summary from that stay diagnosed him with a “[m]ixed
    personality disorder,” it also described him as a drug abuser who had failed to continue
    taking his medication after his suicide attempt. Also, it offered a prognosis of
    “[g]uarded, because of the unpredictability of his behavior, depending on the
    circumstances and depending on whether or not he is taking drugs at the time.” 
    Id. at 44
    353. A few months after his release from the hospital, Defendant had a claim denied by
    the Social Security Administration. The denial letter stated that “[m]edical reports show
    that you are moderately depressed but there are no signs of a severe mental illness. Most
    of the time you are able to think clearly and to carry out your normal activities.” 
    Id. at 362.
    As for Defendant’s 1995 hospitalization, the government points out that a
    physician’s evaluation found him to be calm, normal, and free of any paranoia, delusions,
    hallucinations, or homicidal ideation, but still addicted to drugs. And finally, the
    government could have introduced evidence that Defendant had amphetamines and
    marijuana in his system on the night of the shooting.
    Perhaps the evidence of spousal abuse and drug involvement would not have
    surprised the jury and presented little downside risk to Defendant’s offering evidence of
    his mental condition. See 
    Smith, 379 F.3d at 943
    & n.11 (when aggravating aspects of
    defendant’s mental illness had already been presented to jury, little risk to presenting the
    mitigating aspects as explanation for defendant’s behavior). After all, the jury heard
    extensive testimony of Defendant’s abuse of his ex-wife, including her requests for and
    his violations of multiple protective orders, an incident in which he destroyed her
    furniture and other items, and his threat after their separation to “blow off her head.” 
    Id., Vol. 5
    pt. 2 at 3486. Their divorce was granted, the jury learned, on grounds of physical
    abuse. The jury was also presented with significant evidence of Defendant’s drug use,
    including the testimony of a drug addict that he took methamphetamine with Defendant,
    and the testimony of a state prison employee that Defendant self-reported first using
    45
    alcohol at age 12, cocaine and heroin at age 14, and methamphetamine at age 20, and had
    been using marijuana, methamphetamine, heroin, tranquilizers, and other drugs up until
    the time of the shooting. And, of course, there was the guilt-phase evidence of
    Defendant’s outstanding warrant for failure to appear in state court on drug charges and
    the drug paraphernalia found on Defendant’s person and property after the shooting.
    But additional current mental-health evidence could have been offered by the
    government once Defendant opened the door to such evidence. In particular, the
    government could have called Dr. Randall Price in rebuttal. Dr. Price conducted a
    psychological evaluation of Defendant on behalf of the government, and he may have
    testified that Defendant was a psychopath and would be at a high risk of committing
    violent offenses if freed. Such expert testimony can be devastating. See 
    Wilson, 706 F.3d at 1298
    –99, 1307–08. We hesitate, however, to rely on Dr. Price’s evaluation to
    establish lack of prejudice. Although the district court noted the report and apparently
    relied on it to some extent, it is not clear how much of the report was disclosed to
    Defendant, which may explain why the government’s appellate brief does not discuss it.
    In short, we believe that Defendant presented sufficient evidence of deficient
    performance and prejudice to entitle him to an evidentiary hearing. Based on the
    evidence presented at a hearing, the district court can make findings on disputed facts and
    render its decision, both on performance and prejudice.
    46
    III.   CONCLUSION
    We REVERSE and REMAND Defendant’s death sentence for the district court to
    hold an evidentiary hearing on whether the performance of trial counsel was deficient in
    not investigating Defendant’s background and mental health and whether Defendant
    suffered prejudice from any deficiency during the penalty phase of his trial. In all other
    respects we AFFIRM. Also, we DENY Defendant’s Motion for Certificate of
    Appealability in Light of Carter v. Bigelow.
    47