Andrew Sasser v. Dexter Payne ( 2021 )


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  • United States Court of Appeals
    For the Eighth Circuit
    ___________________________
    No. 18-1678
    ___________________________
    Andrew Sasser
    lllllllllllllllllllllPetitioner - Appellee
    v.
    Dexter Payne
    lllllllllllllllllllllDefendant - Appellant
    ___________________________
    No. 18-1768
    ___________________________
    Andrew Sasser
    lllllllllllllllllllllPetitioner - Appellant
    v.
    Dexter Payne
    lllllllllllllllllllllDefendant - Appellee
    ____________
    Appeals from United States District Court
    for the Western District of Arkansas - Texarkana
    ____________
    Submitted: September 24, 2020
    Filed: June 2, 2021
    ____________
    Before COLLOTON, GRUENDER, and GRASZ, Circuit Judges.
    ____________
    COLLOTON, Circuit Judge.
    Andrew Sasser is an Arkansas prisoner under a sentence of death for capital
    murder. After he pursued a direct appeal and a collateral attack on his conviction and
    sentence in state court, Sasser petitioned for a writ of habeas corpus in the federal
    district court. In a previous appeal, this court affirmed the dismissal of several
    claims, but remanded for further proceedings on four claims alleging ineffective
    assistance of counsel under the Sixth Amendment. Sasser v. Hobbs, 
    735 F.3d 833
    ,
    854-55 (8th Cir. 2013). The court also remanded for further proceedings on Sasser’s
    claim that he is ineligible for the death penalty, due to intellectual disability, under
    the Eighth Amendment and the rule of Atkins v. Virginia, 
    536 U.S. 304
     (2002). On
    remand, the district court rejected the Atkins claim, but granted relief on two of the
    ineffective-assistance claims and set aside Sasser’s sentence. Both parties appeal.
    We affirm the denial of relief under the Eighth Amendment, but reverse the grant of
    relief based on alleged ineffective assistance of counsel.
    I.
    Sasser killed Jo Ann Kennedy in July 1993 while she was working alone as the
    store clerk at an E-Z Mart Store in Garland, Arkansas. Ms. Kennedy was discovered
    nude from the waist down; pants and panties found in the men’s restroom were hers.
    An autopsy report showed that she died of multiple stab and cutting wounds and
    blunt-force head injuries. No anal or vaginal injury or spermatozoa was present. At
    trial, another woman testified that Sasser attacked and raped her in April 1988 while
    she was working alone at an E-Z Mart Store in Lewisville, Arkansas. The jury
    imposed a sentence of death for the murder of Ms. Kennedy after finding that an
    aggravating circumstance (commission of a previous violent felony) outweighed
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    mitigating circumstances (that Sasser would be a productive inmate, had a supporting
    family, and had stipulated that he caused the victim’s death). See Sasser v. State, 
    902 S.W.2d 773
    , 774-77 (Ark. 1995).
    After litigating an unsuccessful petition for postconviction relief in Arkansas,
    see Sasser v. State, 
    993 S.W.2d 901
     (Ark. 1999) (per curiam), Sasser petitioned for
    a writ of habeas corpus in federal court. In this court’s most recent decision on the
    case, the panel ruled that the district court had applied an incorrect legal standard in
    rejecting Sasser’s Eighth Amendment claim based on alleged intellectual disability.
    Accordingly, the court remanded that claim to the district court for further
    proceedings. Sasser, 735 F.3d at 850.
    On Sasser’s claims alleging ineffective assistance of trial counsel, the prior
    panel ruled that all but four of Sasser’s sixteen claims were procedurally barred,
    meritless, or both. But the court listed four remaining claims on which it said that
    Sasser was “entitled to an evidentiary hearing in light of . . . Trevino v. Thaler, 
    569 U.S. 413
     (2013).” Sasser, 735 F.3d at 851. Trevino held that ineffective assistance
    of counsel in state postconviction proceedings may be grounds to excuse a procedural
    default under state law that would otherwise bar a prisoner from obtaining federal
    review of a claim alleging ineffective assistance of trial counsel. 569 U.S. at 429.
    The Sasser panel said that the district court was “authorized under 
    28 U.S.C. § 2254
    (e)(2) and required under Trevino to hold an evidentiary hearing on the
    claims.” 735 F.3d at 853 (internal quotation marks and brackets omitted). In
    response to the State’s petition for rehearing, however, the panel clarified that “on
    remand, the State is free to argue Sasser’s postconviction counsel fully raised the four
    claims,” Sasser v. Hobbs, 
    743 F.3d 1151
    , 1151 (8th Cir. 2014), such that Trevino
    would be inapplicable.
    -3-
    II.
    On remand, the district court considered Sasser’s “four remaining claims”
    alleging ineffective assistance of counsel—namely, that Sasser’s trial counsel
    ineffectively failed to:
    1.    Prepare for the sentencing phase of the trial;
    2.    Obtain a timely psychological evaluation of Sasser;
    3.    Meaningfully consult with a mental health professional;
    and
    4.    Object “when the prosecutor misconstrued the mitigating
    evidence that the defense had presented concerning
    [Sasser’s] mental impairment and lessened culpability” or
    to rebut that argument.
    Sasser, 735 F.3d at 851.
    The district court declined to grant relief on two claims: Sasser abandoned the
    fourth claim, and the court rejected the first claim. On the first claim, the court
    determined that Sasser’s procedural default could not be excused under Trevino,
    because he fairly presented the claim in state court during the postconviction process
    before declining to raise it on appeal.
    As to the second and third claims, however, the court concluded that Sasser’s
    claims as developed on remand were different from those raised in the state
    postconviction proceeding. The court then determined that those two claims were
    procedurally defaulted, but the default was excused under Trevino based on
    ineffective assistance of postconviction counsel. The court reasoned that
    postconviction counsel’s investigation and representation were not reasonably
    effective, and that Sasser was prejudiced by the ineffectiveness.
    -4-
    On appeal, the State maintains that postconviction counsel did raise the second
    and third claims during the postconviction process, and they were then defaulted on
    appeal in state court. To address this contention, it is necessary to compare the claims
    in Sasser’s federal habeas petition with those set forth in his petition for
    postconviction relief under Arkansas Rule of Criminal Procedure 37.
    When this court listed claims for consideration on remand, the claims were
    derived from Sasser’s amended federal habeas petition filed July 17, 2001. R. Doc.
    23. The second claim on remand—that trial counsel failed to “obtain a timely
    psychological evaluation of Sasser”—was pleaded as follows in the amended habeas
    petition:
    Both at trial and on direct appeal, Petitioner was represented by the same
    attorney, Charles Potter. Mr. Potter was appointed to represent Sasser
    in this Capital case on August 16, 1993, however the record reflects that
    virtually nothing was done by way of trial preparation until February
    7, 1994, less than two weeks before the beginning of pretrial
    proceedings when Potter requested a psychological examination. Some
    four days later, on February 11, 1994, an investigator was requested and
    although this record reflects that a number of pretrial motions were filed,
    it is clear that trial counsel was unprepared for a Capital case at the
    time Sasser’s trial began.
    R. Doc. 23, at 3-4 (emphases added). Sasser’s amended petition alleged that this
    claim “was fully adjudicated in the state court.” Id. at 4.
    A review of the Rule 37 petition shows that this second claim was indeed fairly
    presented in state court. The petition alleged:
    Counsel failed to request assistance of a psychological expert in
    sufficient time for her to prepare a proper evaluation. Counsel obtained
    motions, including one for expert assistance, from the Arkansas Death
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    Penalty Resource Center as early as September, 1993. . . . He
    nevertheless waited until February 7, 1994, to file the motion for expert
    assistance. The Court granted the request on February 11, 1994,
    appointing Mary Pat Carlson, who has an agreement with the Court to
    provide psychological assistance to criminal defendants. . . . The
    evaluation was set for February 17, 1994, with pre-trial beginning on
    February 22, 1994.
    Due to this time frame, Ms. Carlson was unable to conduct the in-
    depth evaluation she would ordinarily have performed.
    App. 1218-19 (emphases added). The Rule 37 petition cited the same alleged
    shortcoming advanced in the federal petition—namely, that counsel did not request
    expert assistance until February 7, 1994, and that due to the short time frame, the
    defense was unprepared when trial began. Sasser’s federal claim that trial counsel
    failed to obtain a timely psychological evaluation of Sasser was therefore presented
    in the state postconviction court and defaulted when Sasser declined to appeal on that
    ground. As such, the procedural default cannot be excused based on alleged
    ineffectiveness of state postconviction counsel. Thomas v. Payne, 
    960 F.3d 465
    , 473
    (8th Cir. 2020); Arnold v. Dormire, 
    675 F.3d 1082
    , 1086-87 (8th Cir. 2012).
    The third claim on remand—that trial counsel failed to “meaningfully consult
    with a mental health professional”—was pleaded this way in the amended federal
    habeas petition: “Trial counsel requested a psychological exam on February 7, 1994,
    however after the exam was performed, counsel failed to meaningfully consult with
    the examiner so as to prepare for her trial testimony.” R. Doc. 23, at 4. Again, the
    amended petition asserted that this claim was fully adjudicated in state court. The
    Rule 37 petition confirms that the same claim was fairly presented in state court. It
    alleged: “Counsel also failed to consult meaningfully with Ms. Carlson prior to trial
    and as a result, relevant mitigating evidence was inadequately presented, as
    demonstrated by the fact that the jury did not find that evidence of any mental
    disease/defect was presented . . . , when in fact there was.” App. 1219.
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    The state postconviction court construed this claim as a challenge to counsel’s
    performance at the penalty phase and rejected it: “Trial counsel is taken to task for
    failing to have adequately prepared the testimony of his only expert witness during
    the penalty phase, Mary Pat Carlson. This contention is simply not borne out by the
    testimony at the Rule 37 hearing. Trial counsel testified that he believed that Ms.
    Carlson was adequately prepared and that she never indicated that she did not have
    enough time to evaluate the petitioner.”
    The third claim on remand, therefore, was fairly presented to the state
    postconviction court in Sasser’s Rule 37 motion, but the claim was procedurally
    defaulted on appeal. Accordingly, as with the second claim, the procedural default
    cannot be excused based on alleged ineffectiveness of state postconviction counsel.
    Arnold, 
    675 F.3d at 1086-87
    .
    The district court reached a different conclusion on the view that “the second
    and third claims as characterized on remand” were different from the claims raised
    in the Rule 37 petition. The court characterized the second claim on remand as one
    that “trial counsel should have begun his preparations and obtained a psychological
    evaluation earlier so that he would know that he needed a qualified and licensed
    expert, and not Carlson, to present mental health evidence in mitigation.” The court
    described the third claim on remand as one that counsel “should have had meaningful
    consultation with a qualified and licensed mental health professional” other than
    Carlson. Neither of these claims, the court concluded, was fairly presented in the
    Rule 37 petition.
    We reject this conclusion because the “claims as characterized on remand” are
    not the claims that were pleaded in the amended petition and remanded by the panel
    in Sasser v. Hobbs. Sasser’s effort to bring new ineffective-assistance claims on
    remand constituted an unauthorized second or successive habeas petition that should
    have been dismissed. See 
    28 U.S.C. § 2244
    (b)(3)(A).
    -7-
    The claims considered by the district court on remand first appeared in Sasser’s
    second supplemental and amended habeas petition, dated September 3, 2004. R. Doc.
    48. That filing came after this court remanded the case in August 2003 for the limited
    purpose of considering whether the Eighth Amendment prohibited Sasser’s execution
    in light of Atkins v. Virginia. R. Doc. 37. The second amended petition raised new
    claims that trial counsel was ineffective for failing to obtain an adequate social
    history of Sasser or to retain “qualified experts” to evaluate Sasser completely, so that
    Sasser could present additional mitigating evidence at sentencing. R. Doc. 48, at 16-
    17, 22.
    The district court in January 2007 concluded that these claims should have
    been known when Sasser filed his first habeas petition, and the court thus dismissed
    them with prejudice as abusive. R. Doc. 71, at 18. This court on appeal agreed that
    the new ineffective-assistance claims were not properly before the district court after
    the 2003 remand. Sasser v. Norris, 
    553 F.3d 1121
    , 1127 (8th Cir. 2009). Sasser’s
    effort to revive these ineffective-assistance claims during the most recent remand
    functioned as a second or successive habeas petition and an abuse of the writ.
    The evidentiary hearing on remand was not a proper forum for Sasser to
    develop new federal claims that were not raised in his first habeas petition. This
    court’s statement that Sasser was entitled to an evidentiary hearing on remand was
    limited to the question whether Sasser could show cause and prejudice under Trevino
    to excuse any procedural default allegedly caused by ineffective assistance of
    postconviction counsel. The panel clarified in response to a rehearing petition that
    the State was free to argue on remand that Sasser fairly presented his federal claims
    in the Rule 37 motion. The federal claims at issue in that comparison were only those
    claims presented in Sasser’s amended habeas petition in 2001, R. Doc. 23, not new
    ineffective-assistance claims that were improperly raised in the second amended
    petition in 2004, R. Doc. 48, or developed in an evidentiary hearing after the remand
    in 2014.
    -8-
    We therefore conclude that the district court’s grant of relief based on Sasser’s
    second and third claims “as characterized on remand” was in error. The second and
    third claims on remand were fairly presented in Sasser’s Rule 37 motion, and then
    abandoned on appeal, so alleged ineffective assistance of postconviction counsel is
    not cause to excuse Sasser’s procedural default. The claims identified by the district
    court on remand were not presented in Sasser’s first federal habeas petition, and they
    are barred as a second or successive petition and an abuse of the writ.
    III.
    On Sasser’s claim asserting ineligibility for execution under the Eighth
    Amendment based on intellectual disability, this court in 2014 remanded the case “so
    that the district court may answer the critical factual questions in the first instance
    according to the correct legal standard.” Sasser, 735 F.3d at 850. The district court
    on remand detailed several factual findings and legal conclusions.
    To prove that he was intellectually disabled, Sasser was required to prove
    several elements by a preponderance of the evidence: (1) “Significantly subaverage
    general intellectual functioning”; (2) “[a] significant deficit or impairment in adaptive
    functioning”; (3) “[t]hat both of the above ‘manifest[ed] . . . no later than age
    eighteen’”; and (4) “[a] deficit in adaptive behavior.” Id. at 843 (quoting 
    Ark. Code Ann. § 5-4-618
    (a)). If Sasser was intellectually disabled “at the time of committing
    the crime,” 
    id. at 846
    ; see 
    Ark. Code Ann. § 5-4-618
    (b)-(c), then his execution would
    be prohibited by the Eighth Amendment. See Atkins, 
    536 U.S. at 321
    ; Sasser, 735
    F.3d at 845-46 & n.7.
    A.
    The district court first considered whether Sasser could prove significantly
    subaverage intellectual functioning that manifested no later than age eighteen.
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    Sasser’s intelligence quotient (IQ) scores were 83 on a 2010 test, and 79 on a 1994
    test; the court adjusted the 1994 score downward to 75 to account for “norm
    obsolescence.” The score ranges were 78 to 88 for the 2010 test, and 70 to 80 for the
    1994 test. The court concluded that both scores fell within “the range described as
    ‘borderline intellectual functioning’ rather than mental retardation.”
    Because IQ scores are not conclusive evidence of subaverage intellectual
    functioning, Sasser, 735 F.3d at 844, the court considered additional
    evidence—namely, Sasser’s scores on an aptitude achievement test, a military
    admission exam, and academic standardized tests; his high school grades; and his
    performance on a driver’s license exam administered shortly before Kennedy’s
    murder. Weighing this evidence along with Sasser’s IQ scores, the court concluded
    that only the lowest ends of the IQ ranges “had any statistical significance,” and the
    other evidence indicated “intelligence that . . . was not so subaverage as to meet the
    standard for mental retardation.” But the court recognized that “impairments in
    adaptive functioning, rather than an IQ score, are the clearest indicators of intellectual
    disability,” so proceeded to analyze the other criteria for intellectual disability.
    The court next considered whether Sasser had proven a significant deficit or
    impairment in adaptive functioning that manifested no later than age eighteen. The
    parties disputed whether the court should apply the standard from the fourth or fifth
    edition of the American Psychological Association’s Diagnostic and Statistical
    Manual of Mental Disorders, known as the DSM-IV-TR and DSM-V, respectively.
    The court chose to rely on the fourth edition, because the “updated medical standards
    in the DSM-V” did not “have any bearing on [Sasser’s] case,” but the court also found
    that “the same decision would be reached under both definitions.”
    To show a significant deficit under the DSM-IV-TR, Sasser was required to
    prove “significant limitations in at least two . . . skill areas.” Jackson v. Norris, 
    615 F.3d 959
    , 962 (8th Cir. 2010) (quoting DSM-IV-TR, at 41). The court considered
    -10-
    evidence of Sasser’s deficits in the areas of “academic skills, work, and
    social/interpersonal skills.”
    On academic skills, the court considered Sasser’s enrollment in “remedial or
    special courses throughout his school years,” reports on Sasser’s functioning from
    school teachers and peers to expert psychologists, and Sasser’s participation in a
    prison pre-release program designed to prepare him for a driver’s license
    examination. Sasser achieved perfect scores on both the written and sign portions of
    the driver’s license test in 1993, shortly before Kennedy’s murder. The court noted
    “that ordered environments like prison may result in artificial improvements to
    adaptive functioning,” and thus did not consider Sasser’s prison performance as
    evidence of improved adaptive functioning. But the court did view the information
    “as evidence undermining Sasser’s claimed limitations in areas of adaptive
    functioning prior to incarceration.” The court found that its conclusion was bolstered
    by statements from school friends “that Sasser may have suffered as much from a lack
    of motivation as a lack of ability.” The court ultimately found that Sasser had not
    proven a significant limitation in academic skills.
    On work skills, the court considered reports on Sasser’s jobs from his early life,
    his time in prison, and before and after his prior incarceration. Sasser worked in
    “basic position[s]” and completed “repetitive, simple task[s]” in some jobs after high
    school. But other reports indicated that Sasser was able to work independently at a
    range of tasks on a farm before the age of eighteen, and that he worked successfully
    “with various levels of supervision” while imprisoned. The court found that Sasser
    proved neither a significant limitation in work, nor any limitation that manifested
    before the age of eighteen.
    The court next analyzed Sasser’s alleged deficit in the social and interpersonal
    skill domain. Sasser’s expert interviewed Sasser’s teachers, coaches, and peers from
    middle school and high school. They reported that Sasser “stared blankly during
    -11-
    conversations,” reacted inappropriately to jokes, was “treated as a nerd or weird
    student,” and had few friends. But the court also considered evidence that pointed
    in the other direction, including reports that Sasser had friends in high school, “was
    a good storyteller,” and had girlfriends during high school and as an adult, both
    before and after his prior term of imprisonment. Based on the entirety of the
    evidence, the court found that Sasser had not established a significant deficit in social
    and interpersonal skills.
    The court also considered whether Sasser had demonstrated a deficit in
    adaptive behavior. Because this criterion “largely duplicates the second prong” of
    adaptive functioning deficits, Sasser, 735 F.3d at 845, and because Sasser presented
    no additional evidence, the court found that Sasser failed to prove a behavioral deficit
    for the same reasons he failed to prove a functioning deficit. The court thus found
    that Sasser was not intellectually disabled at the time he committed his offense of
    murder.
    The court then analyzed Sasser’s claim alternatively under the framework of
    the DSM-V. To prove adaptive functioning deficits under the DSM-IV-TR, Sasser was
    required to show “significant limitations in adaptive functioning in at least two . . .
    skill areas,” including “social/interpersonal skills,” “functional academic skills,” and
    “work.” DSM-IV-TR, at 41. Under the DSM-V, he was required to prove that he was
    “sufficiently impaired” in “at least one domain of adaptive functioning—conceptual,
    social, or practical”—so as to require “ongoing support” to “perform adequately.”
    DSM-V, at 38. The district court explained that the three DSM-IV-TR “skill areas” in
    which Sasser claimed impairments are now “heavily centered” in three different
    DSM-V “domains”: academic skills in the conceptual domain, work skills in the
    practical domain, and social/interpersonal skills in the social domain. See DSM-IV-
    TR, at 42; DSM-V, at 37. Because Sasser failed to prove “any limitation in these
    areas” that was sufficiently significant to require ongoing support, the court
    -12-
    concluded that Sasser could not prove intellectual disability under the updated DSM-
    V criteria for the same reasons he failed to do so under the DSM-IV-TR criteria.
    B.
    Sasser challenges the district court’s resolution of his Eighth Amendment claim
    on several grounds. We review the legal standard applicable to an Atkins claim de
    novo, and the factual finding whether an individual is intellectually disabled for clear
    error. Sasser, 735 F.3d at 841-42.
    First, Sasser argues that the court erred by applying the diagnostic framework
    of the DSM-IV-TR, rather than the DSM-V. Analysis of intellectual disability “must
    be ‘informed by the medical community’s diagnostic framework.’” Moore v. Texas,
    
    137 S. Ct. 1039
    , 1048 (2017) (quoting Hall v. Florida, 
    572 U.S. 701
    , 721 (2014)).
    To be “informed by the medical community does not demand adherence to everything
    stated in the latest medical guide,” but a court may not “disregard current medical
    standards.” Id. at 1049. Sasser seems to urge a rule that would require a court to
    reassess an Atkins claim each time the medical profession revises its standards, but
    we need not resolve that issue here. The district court in this case considered Sasser’s
    claim under both the DSM-IV-TR and DSM-V criteria, and reached the same
    conclusion based on each, so there was no legal error.
    Sasser contends that the district court tied its analysis of his intellectual
    functioning to the analysis of his adaptive deficits, and therefore relied too heavily
    on “non-clinical criteria.” The court found that Sasser failed to prove significantly
    subaverage intellectual functioning. The ruling noted that IQ scores are inconclusive,
    and reasoned that if Sasser demonstrated a significant deficit or impairment in
    adaptive functioning, then that showing would be evidence that “Sasser’s inarguably
    subaverage general intelligence—as measured by IQ testing, school grades, and other
    similar markers—was significantly subaverage.” R. Doc. 283, at 23 (emphasis
    -13-
    added). Where “the lower end of [a defendant’s] score range falls at or below 70,”
    courts must “move on to consider . . . adaptive functioning.” Moore, 
    137 S. Ct. at 1049
    . The lowest end of Sasser’s lower IQ score range was 70, so the district court
    did not err by considering additional indicia of intellectual disability. This inquiry
    necessarily required consideration of “non-clinical” evidence, including statements
    from people who knew Sasser during his developmental years.
    Sasser challenges the court’s alleged use of “lay stereotypes” as evidence of his
    adaptive functioning. He points out that factors such as whether a defendant’s
    “conduct showed ‘leadership,’” or whether “those who knew the person best during
    the developmental stage thought of him as mentally retarded” are not dispositive,
    because those factors are not grounded in prevailing medical practice and invite “lay
    perceptions of intellectual disability.” Moore v. Texas, 
    139 S. Ct. 666
    , 669 (2019)
    (per curiam) (internal quotations omitted).
    Some evidence to which Sasser objects came from the State’s expert
    psychologist, Dr. Roger Moore, who interviewed Sasser’s peers, family members, and
    former employers to learn about his adaptive deficits. Dr. Moore necessarily
    considered the information retrospectively to analyze Sasser’s adaptive functioning
    during his adolescence. For example, Dr. Moore interviewed an employer on whose
    farm Sasser had worked during high school. The employer told Dr. Moore that Sasser
    was capable of independent work if he found it engaging. The employer did not
    render an opinion on whether Sasser was intellectually disabled or whether his
    conduct demonstrated leadership. Cf. Moore, 139 S. Ct. at 669. And Sasser’s own
    expert psychologist, Dr. Jethro Toomer, also considered “firsthand accounts of
    Sasser’s behavior by people who knew him before he turned eighteen years old,”
    including former classmates. Sasser, 735 F.3d at 841. The district court permissibly
    considered expert testimony or reports that conveyed statements from people who
    knew Sasser during his developmental years.
    -14-
    Sasser also objects to reliance on statements by a prison official who
    supervised Sasser’s work; the official testified that Sasser worked well and had “no
    problems doing light work as far as I know.” The court, however, cited only the fact
    that Sasser earned credit toward his sentence, “which could only be given if he was
    doing the job each position required him to do.” The court found that this evidence
    indicated that Sasser’s limitations may be due more to a lack of engagement or
    motivation than to a significant limitation. Evidence of Sasser’s successful work
    while incarcerated was relevant to the analysis of Sasser’s claimed adaptive deficits
    at the time of his crime, and there was no error in considering it.
    Sasser argues that the court unduly emphasized evidence of his adaptive
    strengths, and used it to “offset proven deficits.” Intellectual disability depends on
    evidence of adaptive deficits, and a court should not consider “significant limitations
    in adaptive skills” to be “outweighed by potential strengths in other adaptive skills.”
    Jackson v. Kelley, 
    898 F.3d 859
    , 864 (8th Cir. 2018) (emphasis added).
    The district court did not err in its consideration of adaptive strengths. The
    court properly recognized that it could not balance evidence of Sasser’s strengths in
    one skill area against evidence of his deficits in a different skill area. The court said
    that it is an “open question whether strengths in one area of adaptive functioning can
    be weighed against weaknesses in the same area when analyzing whether a person
    has limitations in that area.” R. Doc. 283, at 26 (emphasis added). Moore is not to
    the contrary; the Court there assumed for the sake of analysis that “clinicians would
    consider adaptive strengths alongside adaptive weaknesses within the same adaptive-
    skill domain.” 
    137 S. Ct. at
    1050 n.8.
    Citing Moore, Sasser argues that a court considering intellectual disability must
    focus solely on evidence of adaptive deficits. Moore, however, observed only that
    there was no “clinical authority permitting the arbitrary offsetting of deficits against
    unconnected strengths.” 
    Id.
     The district court did not balance unconnected strengths
    -15-
    against weaknesses, but “weigh[ed] evidence of strengths against evidence of
    limitations in order to see whether Sasser . . . met his burden to show” any limitation
    in a single skill domain. R. Doc. 283, at 28 n.10. For example, the court addressed
    conflicting evidence of Sasser’s social and interpersonal skills: one classmate
    testified that Sasser had few friends, but other classmates testified that he had friends.
    The district court did not weigh evidence across skill domains, but properly
    considered all available evidence of Sasser’s adaptive functioning in order to make
    the necessary findings of fact in each relevant domain.
    Sasser challenges the district court’s consideration of evidence of his
    functioning in prison to support the conclusion that he could not demonstrate
    adaptive deficits. Medical experts “caution against reliance on adaptive strengths
    developed ‘in a controlled setting,’ as a prison surely is,” and seek to obtain
    corroborating evidence of functioning in uncontrolled settings. Moore, 
    137 S. Ct. at 1050
     (quoting DSM-V, at 38). The district court, however, was “mindful that ordered
    environments like prison may result in artificial improvements to adaptive
    functioning,” and thus did not rely on Sasser’s behavior in prison as evidence of
    improved adaptive functioning. Rather, the court found that evidence of Sasser’s
    performance in prison was consistent with other evidence that he “suffered as much
    from a lack of motivation as a lack of ability.” On academics, the court found that
    Sasser’s performance on the driver’s license examination while incarcerated
    supported a statement from a school friend that Sasser was “more capable than his
    grades reflected.” On work, the court found that Sasser’s successful employment in
    multiple jobs while incarcerated corroborated testimony that Sasser was capable of
    independent farm work before he turned eighteen. The court properly recognized the
    risk that prison behavior might reflect artificial improvements in functioning, and
    adequately limited its consideration of prison evidence.
    Next, Sasser argues the court inappropriately required him to prove the
    existence of adaptive functioning deficits “beyond the developmental period” ending
    -16-
    at age eighteen. The court explained that Sasser’s evidence of academic skill
    limitations was “primarily limited to his school career.” Because that evidence was
    “called into question by reports and evidence that Sasser’s performance was due at
    least in part to a lack of motivation,” the court found that Sasser had not “met his
    burden to demonstrate . . . that he had a significant limitation in academic skills at the
    time he committed the crime.”
    Sasser argues that the relevant time for assessing his academic functioning
    skills was before the age of eighteen, because a significant deficit or impairment must
    manifest during the developmental period. See 
    Ark. Code Ann. § 5-4-618
    (a)(1)(A).
    But the DSM-IV-TR criteria require both an “onset” that “is before age 18 years,” and
    a showing of “[c]oncurrent deficits or impairments in present adaptive functioning”
    in at least two skill areas. DSM-IV-TR, at 49 (emphasis added). Likewise, the DSM-V
    criteria require both an “onset during the developmental period,” that is, “during
    childhood or adolescence,” and a showing that “at least one domain of adaptive
    functioning . . . is sufficiently impaired that ongoing support is needed . . . to perform
    adequately.” DSM-V, at 38 (emphasis added). In any event, the court found no
    significant deficits at either point in time, and there was no error in the time period
    considered.
    Sasser contends that the court created “a composite portrait” of his adaptive
    functioning by piecing together evidence from different points in his life. The court
    considered evidence of Sasser’s functioning during the developmental period and
    near the time of his crime, both of which were “relevant points in time.” Sasser, 735
    F.3d at 849 n.10. Some evidence from later in Sasser’s life confirmed or supported
    evidence from the developmental period, but it cannot be said that the court on
    remand mistakenly “mixed and matched evidence of Sasser’s capacities from
    different points in his life, creating a composite portrait of Sasser” at an artificial
    peak. Id. at 849. For example, the court considered evidence that Sasser was able to
    work independently at manual farm tasks as an adolescent, and found this evidence
    -17-
    consistent with Sasser’s success while working as an electrician and furniture
    manufacturer in prison. On social skills, the court cited reports that Sasser had
    friends in school and a high school girlfriend, but found that even evidence
    suggesting that he was not liked by peers and did not have a girlfriend was not good
    evidence of a substantial limitation in social skills during the developmental period.
    The court properly analyzed whether Sasser demonstrated intellectual disability at a
    relevant point in time and found that he failed to do so.
    Finally, Sasser argues that the district court required him to “rule out other
    potential contributing causes” of his adaptive deficits by noting that he “may have
    suffered as much from a lack of motivation as a lack of ability.” “[A] defendant is not
    required to rule out other contributing causes of his adaptive deficits in order to meet
    the standard for intellectual disability.” Jackson, 898 F.3d at 868 (internal quotation
    omitted). Stated differently, if an individual has demonstrated significant intellectual
    impairment and significant adaptive deficits, a court may not also require him to
    prove that his intellectual disability is the cause of those deficits. See id. But the
    district court did not require such a showing here, because it found that Sasser failed
    to prove the existence of any significant functioning deficits in the first place.
    *       *       *
    For these reasons, we reverse the grant of relief with respect to Sasser’s
    ineffective-assistance claims, affirm the denial of relief on his Atkins claim, and
    remand with directions to dismiss the petition.
    ______________________________
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