Gary Sutton v. Wayne Carpenter ( 2015 )


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  •                 NOT RECOMMENDED FOR FULL-TEXT PUBLICATION
    File Name: 15a0465n.06
    FILED
    Case No. 11-6180                       Jun 23, 2015
    DEBORAH S. HUNT, Clerk
    UNITED STATES COURT OF APPEALS
    FOR THE SIXTH CIRCUIT
    GARY WAYNE SUTTON,                                   )
    )
    Petitioner-Appellant,                         )
    )       ON APPEAL FROM THE UNITED
    v.                                                   )       STATES DISTRICT COURT FOR
    )       THE EASTERN DISTRICT OF
    WAYNE CARPENTER, Warden,                             )       TENNESSEE
    )
    Respondent-Appellee.                          )
    BEFORE: BOGGS, GIBBONS, and COOK, Circuit Judges.
    COOK, Circuit Judge. Gary Wayne Sutton, a Tennessee prisoner sentenced to death,
    appeals the district court’s denial of his petition for a writ of habeas corpus filed under 28 U.S.C.
    § 2254. We review two claims certified for appeal: (1) Sutton’s Brady claim that the state
    withheld evidence that could be used to impeach its time-of-death rebuttal witness; and
    (2) Sutton’s ineffective-assistance-of-counsel claim that trial counsel conducted an inadequate
    investigation and presented insufficient mitigating evidence of Sutton’s family background at
    sentencing.   Finding no reversible error in the district court’s rejection of these claims,
    we AFFIRM.
    Case No. 11-6180, Sutton v. Carpenter
    I.
    A. Trial & Sentencing
    The state prosecuted Sutton and his uncle, James Dellinger, for murdering their mutual
    friend, Tommy Griffin, and Griffin’s sister, Connie Branam, in February 1992. After joint trials,
    juries convicted Sutton and Dellinger for both murders. This habeas proceeding arises from
    Sutton’s conviction for Griffin’s murder.
    The state relied on circumstantial evidence to convict Dellinger and Sutton. The two
    defendants met Griffin at Howie’s Hideaway Lounge in Maryville, Tennessee, on the afternoon
    of February 21, 1992. According to the prosecution, what began as an afternoon of drinking and
    pool between friends devolved into a road-side fight, Griffin’s arrest for public intoxication, the
    burning of Griffin’s trailer, and Griffin’s disappearance following his release from jail. The
    evidence supported the following timeline of events: officers booked Griffin at 7:40 p.m.;
    Dellinger visited the jail forty-five minutes to an hour later to ask about Griffin’s release; the
    officers told Dellinger about the department’s four-hour detention policy for public-intoxication
    arrests; and then Dellinger returned with Sutton around 11:30 p.m. and bailed Griffin out of jail.
    Meanwhile, at around 9 p.m.—between Dellinger’s visits to the jail—a neighbor saw Griffin’s
    trailer catch fire moments after seeing Dellinger’s white truck speed by with two occupants.
    Griffin’s niece, Jennifer Branam, went to Dellinger’s trailer to ask about her uncle and, after a
    brief chat, asked Sutton and Dellinger to accompany her to Griffin’s trailer. The men declined,
    with Dellinger responding to the effect that they were already in enough trouble. Looking
    through her window after returning home, Branam saw Dellinger move a sheet-wrapped object
    that “resembled a shotgun” from his truck to the back of his wife’s Oldsmobile. Sutton and
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    Dellinger left the trailer park in that car around 10 p.m. See State v. Dellinger, 
    79 S.W.3d 458
    ,
    462–65 (Tenn. 2002).
    No one saw Griffin after his release at 11:30 p.m. but, approximately twenty minutes
    after he left the station with Sutton and Dellinger, witnesses heard gunshots near the Blue Hole
    area of Little River. Three days later, passersby found Griffin’s body on the banks of Blue Hole,
    the victim of a gunshot wound to the head. Forensics linked 12-gauge shotgun shells lying next
    to Griffin’s body to shells found in Dellinger’s yard. 
    Id. Connie Branam
    set out looking for her missing brother with Sutton and Dellinger on the
    afternoon of February 22. They stopped at the bar to ask about Griffin. Later that night,
    witnesses observed a fire in the woods near the Clear Fork area of Sevier County. A white truck
    with two passengers was spotted leaving those woods the following morning. Six days later,
    authorities found Connie Branam’s body, burned in her car, in the same wooded area.
    Investigators tied a rifle shell found in her car to a .303 rifle found in Dellinger’s trailer. 
    Id. at 464–65.
    Relevant to this habeas petition, both the prosecution and the defense relied on time-of-
    death evidence. The State attempted to prove that Griffin died on the night of February 21 while
    still in the company of Dellinger and Sutton, and Sutton tried to prove otherwise. The district
    court’s opinion succinctly explains the time-of-death controversy.
    Dr. Eric Patrick Ellington (“Dr. Ellington”), the pathologist who
    conducted the autopsy on the remains of Griffin on February 25, 1992 testified
    that he does not make time-of-death determinations. Therefore, he did not provide
    a time of death. Dr. Ellington also clarified that the date on his report—February
    24, 1992—was the date the body was discovered, and not the date or time of
    death. Although Dr. Ellington did not make a time-of-death determination, he
    was questioned about the factors that are considered when making such
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    Case No. 11-6180, Sutton v. Carpenter
    determinations. He explained that rigor mortis begins somewhere within 30
    minutes to an hour after death and lasts up to 24 to 36 hours and then goes away.
    He specifically clarified that the time frames are not strict, but are an average
    length of time and are dependent on the ambient temperature and climatic
    conditions to which the body is exposed. Other facts which assist in determining
    the time of death, Dr. Ellington explained, are core body temperature, chemical
    test results on eyeball fluid, and the presence or absence of the stage of insect
    larvae. Dr. Ellington did not observe any injuries to Griffin’s body which could be
    attributed to carrion eaters or carnivores, did not take or have taken the core body
    temperature, and did not order any chemical tests performed on the fluid from the
    eyeball.
    Dr. Ellington then detailed some of his autopsy findings. Griffin’s
    pancreas had gross features of autolysis, meaning it had started to digest itself
    which happens shortly after death occurs. Both of Griffin’s lungs, his left adrenal
    gland, and his liver showed signs of decomposition, with the latter organ being
    more extensively decomposed and containing cystic areas which did not appear to
    be a postmortem change. Dr. Ellington also pointed out that the rate of
    decomposition is variable—the colder the climate the slower the rate of
    decomposition.
    The defense presented Dr. Larry Elmo Wolfe (“Dr. Wolfe”), the medical
    examiner and coroner in Union County, as its expert to testify about the victim’s
    time-of-death. Dr. Wolfe, a licensed medical doctor, though not board certified in
    any field of medicine, testified that Griffin died 24 to 36 hours before his body
    was discovered, thus placing his time of death between 3:00 a.m. and 3:00 p.m.
    Sunday February 23, 1991. But the doctor conceded that, conceivably, Griffin
    died on Friday when the shots were heard.
    The State did not present any expert-time-of-death testimony during its
    case-in-chief given Dr. Ellington’s reluctance to determine a time of death, and
    the disqualification of its intended expert on the subject, Dr. Cleland Blake, due to
    a conflict of interest. Rather, on rebuttal, the State combated Dr. Wolfe’s estimate
    as to the time of death by presenting the testimony of Dr. Charles Harlan (“Dr.
    Harlan”) as to that issue.
    Dr. Harlan, a board-certified forensic pathologist, testified that he
    considered the reports from the first responders, the autopsy report, the
    photographs, the tissues on the microscopic slides, and the fact the victim was last
    seen alive around 11:30 p.m. on Friday, February 21, 1992, and estimated that
    Griffin died between 11:30 p.m. on Friday, February 21, 1992 and 8:00 a.m. on
    Saturday, February 22, 1992.
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    Case No. 11-6180, Sutton v. Carpenter
    During closing argument, the prosecution touted Dr. Harlan’s credentials and forensic experience
    as superior to those of Dr. Wolfe, who lacked training in pathology.          The jury convicted
    Dellinger and Sutton.
    During the penalty phase of his trial, Sutton’s counsel presented evidence of Sutton’s
    employment history, his good behavior during a previous period of imprisonment, his parents’
    divorce, and his reputation as a good family man who rescued his niece from a fire and supported
    his sister-in-law’s family while she recovered from surgery. A clinical psychologist also testified
    that Sutton dropped out of school in the eighth grade; had a low IQ; abused alcohol from an early
    age; and suffered mental and physical abuse as a child, stemming from his parents’ rocky
    relationship.    Despite this mitigating evidence, the jury found sufficient aggravating
    circumstances under Tennessee law and sentenced Sutton to death. 
    Dellinger, 79 S.W.3d at 465
    –66 (citing Tenn. Code Ann. § 39–13–204(i)(2)). The Tennessee Court of Criminal Appeals
    (TCCA) and the Tennessee Supreme Court affirmed Sutton’s conviction and sentence.
    
    Id. at 503.
    B. Post-Conviction Proceedings
    In 2003, Sutton filed a petition for post-conviction relief in the Circuit Court for Blount
    County, alleging inter alia that trial counsel rendered constitutionally deficient assistance at
    sentencing by failing to investigate and present evidence of Sutton’s abusive childhood. The
    trial court denied relief, and the TCCA affirmed. The TCCA summarized Sutton’s mitigation
    evidence as follows:
    At sentencing, the defense presented the majority of its evidence through
    the testimony of Dr. Engum. . . . Concerning the petitioner’s background, Dr.
    Engum testified that his interviews of the petitioner and his family members
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    Case No. 11-6180, Sutton v. Carpenter
    revealed that the petitioner’s father was an alcoholic, which “set the stage” for the
    petitioner to become an alcohol abuser by age twelve. He noted that the petitioner
    came from a broken home and that both parents subjected the petitioner to “mind
    games” and tried to bribe him to live with one parent over the other. He said the
    petitioner had endured physical and mental abuse and characterized him as “one
    of the least favored of all the children” in the family. He said the petitioner’s
    “extremely poor” academic record, culminating in the petitioner’s quitting school
    in the eighth grade, was not unexpected given his life in a “highly dysfunctional”
    and “chaotic family background.” In summary, Dr. Engum described the
    petitioner’s family background as “fairly deplorable.”
    Asked to describe the petitioner as an individual, Dr. Engum testified that
    the petitioner learned to distrust others from a young age and that his “self-
    protective mechanism” led to feelings of social isolation, aloneness, and
    depression. He said the petitioner used alcohol as well as marijuana as a form of
    self-anesthesia to lessen his pain. He said the petitioner was easily manipulated
    and became a follower, especially of persons older and more experienced than
    he was.
    Sutton v. State, No. E2004-02305, 
    2006 WL 1472542
    , at *22–23 (Tenn. Crim. App. May 30,
    2006). Applying the well-established standard from Strickland v. Washington, 
    466 U.S. 668
    ,
    686–87 (1984), the TCCA rejected Sutton’s ineffective-assistance claim, reasoning:
    [T]he record before us does not support [Sutton’s] assertion that counsel
    wholly failed to investigate his background and were thereby prevented by a lack
    of awareness from presenting any mitigating proof of his social and family
    history. The record indicates that counsel relied on information provided by their
    expert psychologist together with the information counsel gained from personally
    interviewing dozens of witnesses in deciding which information to present to the
    jury. Although counsel might have chosen to place greater emphasis on certain
    negative aspects of his background, the jury was certainly made aware of the
    petitioner’s abuse and neglect, alcoholism, drug abuse, lack of education, limited
    intelligence, and tendency to be influenced by others. In short, the record supports
    the trial court’s finding that much of the evidence the petitioner presented at the
    post-conviction hearing was cumulative and only ‘expanded’ the evidence
    presented at trial.
    At sentencing, the state relied on the petitioner’s prior violent felony
    convictions in support of a sentence of death. Our supreme court has stated that
    the prior violent felony aggravating circumstance is “more qualitatively
    persuasive and objectively reliable than others.” State v. McKinney, 
    74 S.W.3d 291
    , 313 (Tenn. 2002); State v. Howell, 
    868 S.W.2d 238
    , 261 (Tenn. 1993). In
    our view, this aggravating factor was all the more persuasive and difficult to
    overcome in the petitioner’s case considering the fact that one of the petitioner’s
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    Case No. 11-6180, Sutton v. Carpenter
    prior violent felony convictions was for the murder of the victim’s sister. We are
    unpersuaded that being presented with more details or specific instances of the
    petitioner’s abuse and neglect or his relationship with Dellinger would have led
    the jury to reach a different sentencing decision. Counsel’s efforts to convince the
    jury not to return a sentence of death by emphasizing the petitioner’s more
    positive attributes and by arguing that the petitioner’s life had some value and
    should be spared despite his convictions were not unreasonable or uninformed.
    The fact the strategy was not successful does not, alone, establish that counsel
    were ineffective in preparing or presenting his case in mitigation.
    
    Id. at *24
    (Tenn. Crim. App. 2006). In sum, the court found neither deficient performance nor
    prejudice under Strickland. 
    Id. at *24
    .
    During the pendency of that appeal, the state Board of Medical Examiners revoked Dr.
    Harlan’s medical license and released findings that he had engaged in improper forensic
    practices dating back to 1995. On the heels of this revelation, Sutton filed a motion with the
    TCCA to remand his post-conviction proceeding to the trial court for an evidentiary hearing on
    whether the prosecution suppressed impeachment evidence—i.e., information related to the
    state’s investigation of Dr. Harlan—in violation of Brady v. Maryland, 
    373 U.S. 83
    (1963).
    After ordering the state to respond, the TCCA denied the remand motion, concluding that Sutton
    failed to present a “sustainable claim that the state suppressed the evidence or a reasonable
    probability that, armed with impeaching evidence against Dr. Harlan, the outcome of the trial
    would have been different.”
    In 2007, Sutton filed a habeas petition in federal court pursuant to 28 U.S.C. § 2254,
    attacking his conviction and sentence on twenty-five grounds, including the Strickland and
    Brady claims detailed above. Though the district court ultimately rejected all claims and denied
    the petition, it held an evidentiary hearing on the Brady claim pertaining to the prosecution’s
    knowledge of the investigation of Dr. Harlan’s professional misconduct. Finding no proof that
    members of the prosecution team knew or should have known of the investigation, the court
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    Case No. 11-6180, Sutton v. Carpenter
    rejected Sutton’s claim that the state suppressed favorable evidence.           The court granted a
    certificate of appealability on the Brady and Strickland claims, and we expanded the ineffective-
    assistance claim to encompass Sutton’s assertion that trial counsel should have presented
    evidence of Dellinger’s corrupting influence at sentencing. Sutton appeals.
    II.
    The district court exercised jurisdiction under 28 U.S.C. § 2254, and we have appellate
    jurisdiction to review its final decision under 28 U.S.C. § 1291. We review the district court’s
    legal conclusions de novo and its factual determinations for clear error. Awkal v. Mitchell, 
    613 F.3d 629
    , 638 (6th Cir. 2010) (en banc).
    A. The AEDPA Standard
    The parties agree that the deferential standard of review imposed by § 2254(d) of the
    Antiterrorism and Effective Death Penalty Act of 1996 (AEDPA) applies to the ineffective-
    assistance claim. This provision constrains federal habeas review of claims “adjudicated on the
    merits in State court,” such that federal courts may grant relief only if the state court’s decision:
    (1) resulted in a decision that was contrary to, or involved an unreasonable
    application of, clearly established Federal law, as determined by the Supreme
    Court of the United States; or
    (2) resulted in a decision that 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). AEDPA also accords a rebuttable presumption of correctness to a state
    court’s factual determinations. 
    Id. § 2254(e)(1).
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    Case No. 11-6180, Sutton v. Carpenter
    The parties presume, however, that AEDPA deference does not apply to the Brady claim,
    despite the fact that the TCCA ostensibly addressed the merits of that claim in denying Sutton’s
    motion to remand. If that ruling constituted a decision “on the merits,” then it receives AEDPA
    deference, and we must confine our review to the record considered by the state court. See
    Cullen v. Pinholster, 
    131 S. Ct. 1388
    , 1398 (2011).
    The district court did not have the benefit of Cullen v. Pinholster in January 2010 when it
    granted an evidentiary hearing on the Brady claim.              The court also bypassed the
    AEDPA-deference issue, concluding that the Brady claim failed under de novo review. This
    approach comes as no surprise; the state conceded that the TCCA’s denial of the remand motion
    did not constitute a decision on the merits, waived exhaustion, and consented to an evidentiary
    hearing. Though the state’s concession of the AEDPA-deference issue does not control, see
    Moritz v. Lafler, 525 F. App’x 277, 285 (6th Cir. 2013) (citing Brown v. Smith, 
    551 F.3d 424
    ,
    428 n.2 (6th Cir. 2008)), we need not resolve this unbriefed issue because we agree with the
    district court that the Brady claim fails under the more lenient de novo standard, see Berghuis v.
    Thompkins, 
    560 U.S. 370
    , 390 (2010) (explaining that courts may deny habeas relief under
    § 2254 “by engaging in de novo review when it is unclear whether AEDPA deference applies”).
    B. Brady Claim
    In Brady v. Maryland, the Supreme Court held that the prosecution violates due process
    when it suppresses material evidence favorable to the accused, regardless of whether the
    prosecution acts in good 
    faith. 373 U.S. at 87
    . The prosecution has an affirmative duty to
    disclose such evidence, and that “duty encompasses impeachment evidence as well as
    exculpatory evidence.” Strickler v. Greene, 
    527 U.S. 263
    , 280 (1999) (citing United States v.
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    Case No. 11-6180, Sutton v. Carpenter
    Agurs, 
    427 U.S. 97
    , 107 (1976) and United States v. Bagley, 
    473 U.S. 667
    , 676 (1985)). Due
    process also requires the prosecutor “to learn of any favorable evidence known to the others
    acting on the government’s behalf in the case, including the police,” and to disclose that
    evidence if material. Kyles v. Whitley, 
    514 U.S. 419
    , 437 (1995). A Brady claim consists of
    three elements: (1) exculpatory or impeaching material evidence; (2) willfully or inadvertently
    suppressed by the state; (3) resulting in prejudice. Doan v. Carter, 
    548 F.3d 449
    , 459 (6th Cir.
    2008) (quoting 
    Strickler, 527 U.S. at 281
    –82). Because the state concedes materiality, we focus
    on suppression and prejudice.
    1. State’s Duty to Discover & Suppression of Impeaching Evidence
    Citing Kyles, Sutton argues that the prosecution had a constitutional duty to learn of the
    state’s investigation into Dr. Harlan and to disclose that evidence, which he then could use to
    impeach Dr. Harlan’s credibility as a time-of-death expert. The Supreme Court in Kyles held
    that the prosecution’s failure to disclose exculpatory and impeaching evidence known to the
    police detectives assigned to the case constituted a Brady violation. 
    Kyles, 514 U.S. at 441
    –52
    (noting the detectives’ knowledge of eyewitnesses’ inconsistent and potentially self-
    incriminating statements). Sutton argues that the same type of non-disclosure occurred here,
    where members of the Tennessee Bureau of Investigation (TBI) investigated both his case and
    Dr. Harlan’s misfeasance. Yet, Sutton offers no evidence that the same TBI agents or teams
    participated in both investigations. Thus, he asks us either to impute the knowledge of the TBI
    agents investigating Harlan to those working on Sutton’s case, or to impose an affirmative duty
    on the prosecution to learn all potential witness credibility defects known by members of a
    cooperating government agency. As the district court recognized, no court has extended the
    prosecution’s Brady obligations so far.
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    Case No. 11-6180, Sutton v. Carpenter
    Though we have not addressed this specific theory before—attributing the knowledge of
    certain agents to the entire investigative agency—we have stated that “Brady clearly does not
    impose an affirmative duty upon the government to take action to discover information which it
    does not possess.” United States v. Graham, 
    484 F.3d 413
    , 417 (6th Cir. 2007). Accordingly,
    we have rejected Brady claims premised on evidence possessed by uninvolved government
    agencies, Goff v. Bagley, 
    601 F.3d 445
    , 476 (6th Cir. 2010) (prosecutor had no duty to
    investigate the unrelated federal prosecution of a witness), as well as evidence possessed only by
    a cooperating witness, 
    Graham, 484 F.3d at 416
    –17 (distinguishing the cooperating witness in
    that case from the police officers “acting on the government’s behalf” in Kyles, explaining
    that the witness “remained an independent actor” with his own agenda).
    Other circuits have similarly confined prosecutors’ sleuthing duties to material
    information possessed by members of the prosecution team. See, e.g., Avila v. Quarterman,
    
    560 F.3d 299
    , 307–08 (5th Cir. 2009) (concluding that pathologist’s exculpatory opinion could
    not be imputed to prosecution team, because he served only as an expert witness and did not play
    an active role in either the investigation or prosecution); Moon v. Head, 
    285 F.3d 1301
    , 1310
    (11th Cir. 2002) (declining to presume Georgia prosecutor’s knowledge of TBI investigation, in
    the absence of evidence that TBI worked with the Georgia prosecution team during the relevant
    investigation); United States v. Morris, 
    80 F.3d 1151
    , 1169–70 (7th Cir. 1996) (concluding that
    Kyles imposed no obligation on the prosecution to inquire into exculpatory information
    possessed by other federal agencies when those agencies played no part in the relevant
    investigation or prosecution); see also United States v. Avellino, 
    136 F.3d 249
    , 255 (2d Cir.
    1998) (construing Kyles to mean that “[a]n individual prosecutor is presumed . . . to have
    knowledge of all information gathered in connection with his office’s investigation of the case”);
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    Case No. 11-6180, Sutton v. Carpenter
    United States v. Quinn, 
    445 F.2d 940
    , 943–44 (2d Cir. 1971) (rejecting defendant’s constructive-
    notice theory for imputing the knowledge of any government agent to the prosecutor).
    We find instructive the Second Circuit’s decision in United States v. Locascio, where the
    court declined to presume federal prosecutors’ knowledge of reports prepared by FBI agents
    unaffiliated with the trial or underlying investigation. 
    6 F.3d 924
    , 949 (2d Cir. 1993). Like that
    court, “[w]e will not infer the prosecutors’ knowledge simply because some other government
    agents knew about the report.” Id.; see also 
    Avellino, 136 F.3d at 255
    (“[K]nowledge on the part
    of persons employed by a different office of the government does not in all instances warrant the
    imputation of knowledge to the prosecutor, for the imposition of an unlimited duty on a
    prosecutor to inquire of other offices not working with the prosecutor’s office on the case . . .
    would inappropriately require us to adopt ‘a monolithic view of government’ that would
    ‘condemn the prosecution of criminal cases to a state of paralysis.’”).
    Here, the district court found that:
    the evidence to impeach Dr. Harlan was in the possession of TBI Special Agents
    G. Richard Wright, Roy Copeland, and Jim Taylor—TBI agents with no
    connection or involvement in the investigation of Petitioner’s case. Petitioner has
    not offered, and the record does not contain, any evidence of a collaborative effort
    between TBI Agents Wright, Copeland, and Taylor and Petitioner’s prosecution
    team. Indeed, the proof is to the contrary as the prosecutors in Petitioner’s state
    criminal case aver they had no knowledge of any investigation into Dr. Harlan at
    the time he testified.
    In response, Sutton stresses the egregiousness of Dr. Harlan’s professional transgressions, but he
    does not dispute these essential facts. Nor does he present facts supporting the inference that the
    prosecution team should have known of the state’s investigation of Dr. Harlan. He therefore
    shows neither government suppression of favorable evidence nor a violation of the duty to
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    Case No. 11-6180, Sutton v. Carpenter
    discover “favorable evidence known to . . . others acting on the government’s behalf in the case.”
    
    Kyles, 514 U.S. at 437
    .
    2. Prejudice
    Even if the prosecution had a duty to discover Dr. Harlan’s professional misconduct,
    Sutton suffered no prejudice. Sutton admits that the prosecution’s questioning “destroyed” his
    only time-of-death evidence: the expert testimony of Dr. Wolfe, a local general practitioner.
    Indeed, during cross-examination, Dr. Wolfe conceded that he lacked qualifications to make
    time-of-death determinations. Notably, the state successfully undermined Dr. Wolfe’s testimony
    before it presented Dr. Harlan as a rebuttal witness.
    The state also presented strong circumstantial evidence linking Griffin’s murder to the
    night that Sutton and Dellinger bailed him out of jail. Two witnesses heard gunshots twenty-five
    minutes after Griffin’s release into petitioner’s custody, near the spot where Griffin’s body
    would be found two days later. No one saw Griffin during the intervening period, despite the
    burning of his residence—a fact emphasized by the Tennessee Supreme Court in denying
    Dellinger’s actual-innocence claim. See Dellinger v. State, 
    279 S.W.3d 282
    , 292 (Tenn. 2009)
    (“If Griffin were alive, it is improbable that no one would have been in contact with him during
    that time, especially considering that his home had burned down and his family was looking for
    him.”). This, combined with the evidence of the road-side fight, the proximity of Dellinger’s
    truck to Griffin’s trailer at the time of the fire, forensic analysis of the shells found near the body,
    and the repeated attempts to bail Griffin out of jail, provided sufficient evidence for the jury to
    conclude that Sutton and Dellinger murdered Griffin on the evening of February 21, 1992.
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    Case No. 11-6180, Sutton v. Carpenter
    Though prejudice for a Brady claim demands less than a sufficiency-of-the-evidence
    analysis, it still requires a “‘reasonable probability’ of a different result”—i.e., a “showing that
    the favorable evidence could reasonably be taken to put the whole case in such a different light
    as to undermine confidence in the verdict.” 
    Kyles, 514 U.S. at 434
    –35 (quoting 
    Bagley, 473 U.S. at 678
    ). Sutton fails to show such a reasonable probability, where the impeaching evidence
    would have hurt the credibility of the government’s rebuttal time-of-death witness—presuming
    the government still chose to call Dr. Harlan to the stand—but would have done nothing to
    undermine the remainder of the government’s case. We have no reason to believe that the jury
    could have reached a different verdict had the parties known about the investigation of Dr.
    Harlan.
    C. Ineffective-Assistance Claim
    Sutton’s certified ineffective-assistance claim targets counsel’s failure to investigate and
    present additional social-history evidence pertaining to Sutton’s abusive childhood and
    Dellinger’s corrupting influence. Relying on the post-conviction testimony of Dr. Pamela Auble,
    Sutton lists a number of abusive incidents that he believes counsel should have discovered and
    introduced in mitigation. These include abandonment by his mother, repeated physical abuse by
    a mentally unstable step-mother, and exile from the family home by his father, who sided with
    the step-mother. This neglect, he argues, made him vulnerable to the corrupting influence of
    Dellinger, the uncle who, at different points in Sutton’s childhood and adolescence, introduced
    him to alcohol, routinely removed him from school, took him to Georgia while fleeing criminal
    charges, and fired shots at his car.
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    Case No. 11-6180, Sutton v. Carpenter
    Under Strickland, a Sixth Amendment ineffective-assistance claim requires a showing of
    both (i) constitutionally deficient performance by counsel and (ii) prejudice, defined in the
    capital-punishment context as a reasonable probability that, but for counsel’s errors, the
    sentencer would have chosen a different 
    penalty. 466 U.S. at 687
    –94, 697. “The standards
    created by Strickland and [AEDPA] are both highly deferential, and when the two apply in
    tandem, review is doubly so.” Harrington v. Richter, 
    562 U.S. 86
    , 105 (2011) (internal quotation
    marks and citations omitted). Thus, in reviewing Sutton’s ineffective-assistance claim, we
    decide “whether there is any reasonable argument that counsel satisfied Strickland’s
    deferential standard.” 
    Id. The TCCA
        found   both   Strickland       elements   wanting.   Rejecting   Sutton’s
    deficient-performance argument, the court pointed out that “the jury was certainly made aware of
    the petitioner’s abuse and neglect, alcoholism, drug abuse, lack of education, limited
    intelligence, and tendency to be influenced by others,” and found that counsel made the strategic
    decision to emphasize Sutton’s positive attributes. Sutton, 
    2006 WL 1472542
    , at *24. The court
    noted that “counsel relied on information provided by their expert psychologist together with the
    information counsel gained from personally interviewing dozens of witnesses,” and dismissed
    Sutton’s additional evidence as mostly “cumulative.” 
    Id. “The fact
    that the strategy was not
    successful does not, alone, establish that counsel were ineffective in preparing or presenting his
    case in mitigation.” 
    Id. As for
    prejudice, the court found that Sutton’s additional conviction for
    murdering Connie Branam undermined his assertion that additional evidence of his family
    history would have produced a different outcome. 
    Id. - 15
    -
    Case No. 11-6180, Sutton v. Carpenter
    Sutton faults the state court for erroneous factual findings and argues that the court
    unreasonably applied Strickland and two other cases articulating counsel’s duty to investigate
    mitigating circumstances, Williams v. Taylor and Wiggins v. Smith. We disagree on both fronts.
    1. Unreasonable Determinations of Fact
    First, Sutton contends that the state court misconstrued lead trial counsel’s post-
    conviction testimony that he interviewed dozens of witnesses, overlooking the admission that he
    limited his investigation to positive character witnesses. But the portion of counsel’s testimony
    cited by Sutton admits no such thing. Rather, it states:
    [F]or the family review, we were able to secure the free services of a . . . College
    senior . . . . And she worked under the tutelage of Dr. Engum and myself to
    interview prospective character witnesses and things of that nature, the
    family profile.
    Counsel then provided examples of witnesses who spoke of Sutton’s good deeds—hardly an
    admission that the defense team never investigated Sutton’s background.             Dr. Engum’s
    sentencing testimony about Sutton’s broken home and abuse—limited though it was—proves
    otherwise.1 And so does Dr. Auble’s testimony; as the TCCA noted, Dr. Auble “acknowledged
    that Dr. Engum had interviewed various family members” and that Dr. Engum’s                   notes
    1
    At sentencing, Dr. Engum characterized Sutton’s childhood as being:
    [e]ssentially, a fairly deplorable family background. I guess the most significant
    aspect of his family background is a father who was basically a chronic alcoholic.
    This kind of set the stage for Gary himself to become an alcohol abuser by age
    twelve. Mother and father were divorced fairly early. There were indications,
    from interviewing both Mr. Sutton as well as other family members, that there
    was a lot of—I don’t want to use the word competition, but a lot of attempts to
    bribe Gary by one parent or the other to try to cause Gary to live with either the
    father or the mother. Gary was subjected to a lot of mind games, a lot of head
    games. There’s also indications in the record of quite a bit of physical and mental
    abuse, and a certain sense that—it was at least felt by some family members that
    Gary was one of the least favored of all the children.
    - 16 -
    Case No. 11-6180, Sutton v. Carpenter
    “indicated that he was aware that family members, including Dellinger, had exposed [Sutton] to
    alcohol and prostitutes and that the petitioner’s father had once locked him out of the house and
    made him stay in a dog house.” Sutton, 
    2006 WL 1472542
    , at *7. This evidence sustains the
    TCCA’s finding that “counsel relied on information provided by their expert psychologist
    together with the information counsel gained from personally interviewing dozens of witnesses
    in deciding which information to present to the jury.” See Sutton, 
    2006 WL 1472542
    , at *24.
    Resisting this conclusion, Sutton argues that we can infer counsel’s ignorance of Sutton’s
    abusive childhood from his failure to request a jury instruction concerning abuse and a stray
    remark about Sutton’s parents “vying” for his attention during counsel’s argument to the jury.
    Such speculation, however, does not overcome the state court’s presumptively correct (and
    substantiated) factual conclusion that the defense team knew of and presented evidence of
    Sutton’s deplorable childhood. See 28 U.S.C. § 2254(e)(1).
    Next, Sutton takes issue with the TCCA’s statement summarizing witness testimony that
    he “lived in a filthy house where he was verbally and physically mistreated by an unstable
    stepmother for one to two years,” Sutton, 
    2006 WL 1472542
    , at *23, when, in fact, he lived with
    the woman from the age of six into his teenage years. The TCCA attributed this fact to the
    testimony of Sutton’s brother, 
    id. at *7,
    but we cannot confirm it in the record on appeal.
    Regardless, this slight misstatement of fact did not affect the state court’s decision; the court
    detailed his stepmother’s abuse and Dellinger’s corrupting influence, reflecting its understanding
    of the evidence Sutton claimed counsel should have presented. See 
    id. - 17
    -
    Case No. 11-6180, Sutton v. Carpenter
    In sum, Sutton has not shown that the TCCA’s decision “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).
    2. Unreasonable Application of Law
    We turn now to the main thrust of Sutton’s argument: that the TCCA unreasonably
    applied Strickland, Williams, and Wiggins.
    Sutton challenges lead defense counsel’s diligence on a number of fronts, stressing his
    lack of experience in capital sentencing proceedings; the minimal time billed specifically for
    sentencing preparation (five hours), half of which occurred after the verdict; and his reliance on
    Dr. Engum, whose records lack details of the investigation into Sutton’s family background. In
    short, Sutton argues that, with a more thorough investigation, counsel would have presented
    more evidence of Sutton’s abusive upbringing that may have persuaded the jury to spare his life.
    Still, as noted above, the TCCA found that the defense team had access to evidence of
    Sutton’s abusive childhood, as demonstrated by Dr. Engum’s sentencing testimony about
    Sutton’s broken home, alcoholism, distrust of others, and manipulability. See Sutton, 
    2006 WL 1472542
    , at *22–23. And the TCCA rejected Sutton’s prejudice argument, finding that the
    aggravating circumstance of Branam’s murder still would have outweighed any additional
    mitigating evidence. Thus, the real question is whether the defense should have discovered more
    specific instances of abuse and devoted more attention to that subject and to Dellinger’s
    influence in its presentation to the sentencing jury. In the absence of clearly established Supreme
    Court precedent requiring additional investigation under similar circumstances, a fairminded
    jurist could conclude that the defense team satisfied the constitutional requirement.          See
    - 18 -
    Case No. 11-6180, Sutton v. Carpenter
    
    Harrington, 562 U.S. at 103
    (explaining, under § 2254(d)(1), that the habeas petitioner “must
    show that the state court’s ruling on the claim being presented in federal court was so lacking in
    justification that there was an error well understood and comprehended in existing law beyond
    any possibility for fairminded disagreement”); Lockyer v. Andrade, 
    538 U.S. 63
    , 75–76 (2003)
    (stressing that AEDPA’s “unreasonable application” prong reaches only “objectively
    unreasonable” state court decisions, not incorrect ones).
    Williams and Wiggins do not compel a contrary conclusion. The TCCA distinguished
    these cases as addressing the situation where “counsel wholly failed to investigate [the
    defendant’s] background and were thereby prevented by lack of awareness from presenting any
    mitigating proof of . . . social and family history.” See Sutton, 
    2006 WL 1472542
    , at *24.
    Sutton argues that this narrow reading distorts Williams and Wiggins, both of which found
    deficient performance and prejudice.      But the TCCA reasonably concluded that counsel’s
    performance surpassed the constitutionally deficient assistance in those cases.
    In Williams, counsel failed to investigate several key mitigating circumstances, including
    Williams’s “nightmarish childhood,” borderline mental capacity, and prison records
    documenting his good behavior. 
    Williams, 529 U.S. at 395
    –96. These oversights occurred:
    not because of any strategic calculation but because [counsel] incorrectly thought
    that state law barred access to such records. Had they [investigated], the jury
    would have learned that Williams’ parents had been imprisoned for the criminal
    neglect of Williams and his siblings, that Williams had been severely and
    repeatedly beaten by his father, that he had been committed to the custody of the
    social services bureau for two years during his parents’ incarceration (including
    one stint in an abusive foster home), and then, after his parents were released from
    prison, had been returned to his parents’ custody.
    - 19 -
    Case No. 11-6180, Sutton v. Carpenter
    
    Id. at 395.
    In view of the “comparatively voluminous amount of evidence” missed, the Court
    held that “trial counsel did not fulfill their obligation to conduct a thorough investigation of the
    defendant’s background.” 
    Id. at 396.
    In Wiggins, counsel presented no family-history evidence at sentencing.            
    Wiggins, 539 U.S. at 516
    . Viewing skeptically counsel’s strategy to forgo mitigation, the Court noted that
    counsel limited its investigation of the defendant’s life history to the presentence investigation
    report and a handful of social services records documenting Wiggins’s foster care placements.
    Counsel also declined funds offered by the public defender’s office to obtain a forensic social
    worker. 
    Wiggins, 539 U.S. at 523
    –24. The Court found that counsel’s conduct fell below
    Maryland and ABA standards for capital defense work, explaining that:
    The scope of their investigation was . . . unreasonable in light of what
    counsel actually discovered in the [social services] records. The records revealed
    several facts: Petitioner’s mother was a chronic alcoholic; Wiggins was shuttled
    from foster home to foster home and displayed some emotional difficulties while
    there; he had frequent, lengthy absences from school; and, on at least one
    occasion, his mother left him and his siblings alone for days without food. As the
    Federal District Court emphasized, any reasonably competent attorney would
    have realized that pursuing these leads was necessary to making an informed
    choice among possible defenses, particularly given the apparent absence of any
    aggravating factors in petitioner’s background.
    
    Id. at 525.
    Here, as stated above, counsel testified that he relied on information provided by Dr.
    Engum and a college student to get a better understanding of Sutton’s family situation. He also
    had group meetings with family members during his investigation of the case. Admittedly, the
    short amount of time devoted to sentencing preparation gives pause, but as the district court
    explained, counsel’s earlier efforts overlapped somewhat with the penalty-phase preparation. As
    noted above, the defense team presented mitigating evidence on a variety of subjects, including
    - 20 -
    Case No. 11-6180, Sutton v. Carpenter
    Sutton’s employment history, previous conduct as a prisoner, his fine reputation as a family man
    (including heroic acts), and his family background. The jury heard about his parents’ divorce,
    his childhood abuse and “least favored” child status, his limited education and IQ, his alcoholism
    from an early age, and his tendency to follow others. Dr. Engum’s notes demonstrated that the
    defense team knew of Dellinger’s corrupting influence during Sutton’s childhood and of abuse
    by Sutton’s father. And, to the extent Sutton argues that counsel should have argued that
    Dellinger played a dominant role in the commission of the crime, he offers no evidence that
    Dellinger actually did take such a leadership role and thus fails to explain why counsel should
    have explored this mitigation theory.2
    Strickland teaches that:
    strategic choices made after thorough investigation of law and facts relevant to
    plausible options are virtually unchallengeable; and strategic choices made after
    less than complete investigation are reasonable precisely to the extent that
    reasonable professional judgments support the limitations on investigation. In
    other words, counsel has a duty to make reasonable investigations or to make a
    reasonable decision that makes particular investigations unnecessary. In any
    ineffectiveness case, a particular decision not to investigate must be directly
    assessed for reasonableness in all the circumstances, applying a heavy measure of
    deference to counsel’s 
    judgments. 466 U.S. at 690
    –91. Counsel could have focused more on Sutton’s family background, but the
    TCCA reasonably distinguished Williams and Wiggins and determined that counsel investigated
    enough to make the strategic decision not to devote more attention to that subject. Cf. Bobby v.
    Van Hook, 
    558 U.S. 4
    , 9–11 (2009) (per curiam) (rejecting Strickland claim where counsel
    2
    Sutton points to three actions in arguing that Dellinger controlled their encounters with
    Griffin: Dellinger ordered the beer at the bar, he hid the gun in his trailer, and he posted Griffin’s
    bond. None supports Sutton’s claim that he followed Dellinger’s lead in a crime that both denied
    committing.
    - 21 -
    Case No. 11-6180, Sutton v. Carpenter
    presented considerable mitigating evidence from the petitioner’s traumatic childhood, including
    beatings, alcoholism, and violent tendencies).
    And even if counsel’s performance fell below the constitutional standard, Sutton fails to
    show prejudice under AEDPA. No doubt, the additional social-history evidence adduced during
    post-conviction proceedings paints a more vivid and harrowing picture of Sutton’s childhood
    abuse. But the state court reasonably concluded that the new evidence complemented Dr.
    Engum’s less-detailed testimony on the subject and, thus, was largely cumulative. The evidence
    Sutton now presents illustrates the abuse that Dr. Engum alluded to in describing Sutton’s
    “deplorable” childhood, but breaks no new ground. Further undermining Sutton’s prejudice
    argument, Dr. Auble informed the state court that “evidence of a negative childhood ha[s] some,
    but ‘not a great deal’ of impact on jurors.” Sutton, 
    2006 WL 1472542
    , at *6. Finally, the TCCA
    reasonably relied on state-court precedent that emphasizes the persuasive force of additional
    violent felony convictions. 
    Id. at *24
    (citing State v. McKinney, 
    74 S.W.3d 291
    , 313 (Tenn.
    2002); State v. Howell, 
    868 S.W.2d 238
    , 261 (Tenn. 1993)).           The U.S. Supreme Court
    acknowledged the strength of such a counterweight in its prejudice analysis in Wong v.
    Belmontes, 
    558 U.S. 15
    , 25–26 (2009) (referring to the additional murder conviction as the
    “elephant in the courtroom”). In light of Sutton’s additional conviction for murdering Connie
    Branam, the TCCA could reasonably conclude that the absence of evidence detailing specific
    instances of abuse and corruption by Dellinger did not cast doubt on Sutton’s death-sentence
    under Strickland’s reasonable-probability standard.
    - 22 -
    Case No. 11-6180, Sutton v. Carpenter
    D. Uncertified Ineffective-Assistance Claim: Trial Counsel’s Time-of-Death Strategy
    Sutton touches on another ineffective-assistance claim not certified for appeal: trial
    counsel’s performance litigating the time-of-death issue during the guilt phase of trial. Our order
    of June 11, 2013, denied Sutton’s request to certify this claim for appeal. Sutton argues that,
    under recent Supreme Court precedent, he may assert ineffective assistance of post-conviction
    counsel as a reason to supplement the record for his underlying ineffective-assistance claim. See
    Trevino v. Thaler, 
    133 S. Ct. 1911
    (2013); Martinez v. Ryan, 
    132 S. Ct. 1309
    (2012). Yet, as we
    stated in Moore v. Mitchell, Martinez provides a limited remedy for procedurally defaulted
    ineffective-assistance-of-trial-counsel claims, not an opportunity to expand the record when the
    state court denies such claims on the merits. 
    708 F.3d 760
    , 784–85 (6th Cir. 2013); see also
    
    Martinez, 132 S. Ct. at 1319
    –20 (characterizing its holding as a “limited” remedy for a
    procedural default); Trevino, 133 S. Ct. at 1921(extending Martinez’s procedural-default remedy
    to jurisdictions that, while technically allowing ineffective-assistance claims on direct appeal,
    provide no “meaningful opportunity” for those claims to be heard). To read Martinez and
    Trevino more expansively would undermine Pinholster’s conclusion that AEDPA limits federal-
    court review of habeas claims to the record established in state court. 
    Moore, 708 F.3d at 785
    ;
    see also 
    Pinholster, 131 S. Ct. at 1398
    .
    Sutton acknowledges that the TCCA rejected this uncertified time-of-death ineffective-
    assistance claim on the merits. Sutton, 
    2006 WL 1472542
    , at *20. In the absence of procedural
    default, Martinez and Trevino have no application. We therefore have no occasion to reconsider
    excluding this ineffective-assistance claim from the certificate of appealability.
    - 23 -
    Case No. 11-6180, Sutton v. Carpenter
    III.
    For these reasons, we AFFIRM.
    - 24 -