Conner v. Hall , 645 F.3d 1277 ( 2011 )


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  •                                                                          [PUBLISH]
    IN THE UNITED STATES COURT OF APPEALS
    FILED
    FOR THE ELEVENTH CIRCUIT           U.S. COURT OF APPEALS
    ________________________            ELEVENTH CIRCUIT
    July 7, 2011
    No. 10-10928                      JOHN LEY
    CLERK
    ________________________
    D.C. Docket No. 3:01-cv-00073-DHB
    JOHN WAYNE CONNER,
    lllllllllllllllll                                          llPetitioner-Appellant,
    versus
    HILTON HALL,
    Warden, Georgia Diagnostic
    and Classification Prison,
    llllllllllllllllll                                          lllRespondent-Appellee.
    ________________________
    Appeal from the United States District Court
    for the Southern District of Georgia
    ________________________
    (July 7, 2011)
    Before CARNES, MARCUS and MARTIN, Circuit Judges.
    MARTIN, Circuit Judge:
    John Wayne Conner, a prisoner under sentence of death in the State of
    Georgia, appeals the District Court’s denial of his petition for writ of habeas
    corpus brought under 28 U.S.C. § 2254. Conner was granted a certificate of
    appealability (“COA”) as to three claims denied by the District Court without an
    evidentiary hearing: (1) whether he procedurally defaulted his mental retardation
    claim; (2) whether he was denied effective assistance of counsel at the sentencing
    phase of his trial; and (3) whether he was prejudiced by prosecutorial misconduct
    during closing arguments. For all the reasons below, we VACATE the District
    Court’s judgment denying Conner’s habeas petition and REMAND the entire case
    to the District Court for further proceedings consistent with this opinion.
    I. FACTS AND PROCEDURAL HISTORY
    Conner was convicted and sentenced to death for the January 9, 1982
    beating death of J.T. White in Telfair County, Georgia.1 At the time of the murder,
    Conner lived with his girlfriend, Beverly Bates, in Milan, Georgia. On the
    evening of January 9, 1982, Conner, Bates, and White went with friends to a party
    in Eastman, Georgia, where they spent the evening drinking and smoking
    marijuana. They returned to Conner’s house in Milan around midnight. Soon
    after, Conner and White left the house on foot, taking with them a nearly empty
    1
    A fuller discussion of the facts may be found in the opinion of the Georgia Supreme
    Court written in Conner’s direct appeal. Conner v. State, 
    303 S.E.2d 266
    (Ga. 1983).
    2
    bottle of bourbon. They walked to a friend’s house and asked him to take them to
    get more whiskey, but the friend refused.
    Then, according to Conner’s confession:
    [M]e and J.T. left and went down the road. J.T. made the statement
    about he would like to go to bed with my girlfriend and so I got mad
    and we got into a fight and fought all the way over to the oak tree and
    I hit him with a quart bottle. He run over there to the fence trying to
    get through or across, I reckon, so I run over there and grabbed him
    and pulled him back and hit him again and he fell in the water and he
    grabbed my leg. I was down there at him right there in the ditch
    where he was at and he was swinging trying to get up or swinging at
    me to try to hit me one, and there was a stick right there at me, and I
    grabbed it and went to beating him with it.
    
    Conner, 303 S.E.2d at 270
    (internal quotation makes omitted). The next day,
    White’s body was found in a drainage ditch in Milan with severe injuries to his
    head. Conner was indicted for murder, armed robbery and motor vehicle theft.
    A. TRIAL PROCEEDINGS
    On January 26, 1982, while in the Telfair County Jail, Conner pounded a
    bullet into his chest until it exploded. As a result, he was admitted to Central State
    Hospital (“CSH”) in Milledgeville, Georgia. According to the records from that
    visit, Conner was “mute, uncooperative and appeared to be semicatatonic” upon
    admission. He showed “complete psychomotor retardation and [was] unable to
    answer any questions.” Conner was medicated and placed on “suicide
    3
    precautions.” He later became cooperative and responsive.
    By court order, Conner remained hospitalized at CSH until February 19,
    1982, while the staff evaluated him for competency and insanity. During his stay,
    the staff produced a “Psychiatric Examination,” a “Psychological Evaluation,” and
    a “Final Summary.” Those documents revealed that Conner had a history of drug
    and alcohol abuse and engaged in anti-social behaviors. They also showed that
    Conner used the alcohol and drugs to alleviate his constant feelings of
    nervousness and depression, but his substance abuse only exacerbated those
    feelings. The documents further indicate that although the personality testing
    suggested schizophrenia, the results were not inconsistent with a substance abuse
    disorder. An IQ test administered while Conner was at CSH revealed a full-scale
    Weschler Adult Intelligence Score IQ score of 87, which placed Conner within the
    normal or average range of intelligence. On February 19, 1982, CSH issued a
    letter to the trial judge stating that Conner was competent to stand trial and could
    be held criminally responsible for his actions.
    Conner’s father initially retained David Morgan to represent Conner in the
    underlying criminal case. About the same time, Dennis Mullis, a public defender,
    was appointed to represent Conner in an unrelated case. When it became clear that
    Conner’s father would not be able to pay Morgan’s fees through the pendency of
    4
    the criminal case, Mullis was appointed to assist Morgan in representing Conner.
    On April 30, 1982, Morgan filed a motion for funds to hire a defense expert
    to perform a mental examination because he was considering raising an insanity
    defense. This motion was heard on May 11, 1982. At that time, the court had the
    benefit of the February 19, 1982 CSH letter stating that Conner was competent to
    stand trial. Mullis stated that he could not determine if CSH had done anything
    wrong in its examination without an independent expert to assist him.
    Nevertheless, the state trial court deferred ruling on the motion because the
    defense had not yet filed a motion to raise the insanity defense. At a later pre-trial
    hearing on June 21, 1982, Morgan withdrew from the case and Mullis became
    Conner’s sole counsel. At a hearing on June 30, 1982, Mullis announced that he
    would not be seeking to assert the insanity defense based upon his review of
    additional information private counsel had obtained from CSH. After that, Mullis
    did not file any other motion pertaining to Conner’s mental health nor did he
    request the appointment of an independent mental health examiner.
    At his jury trial on July 12–14, 1982, Conner neither testified nor presented
    any evidence on his own behalf. During his guilt phase closing argument, the
    prosecutor said the following:
    Ladies and gentleman, as prosecutor, as defense attorney, I have been
    5
    involved in criminal law for seven years. As District Attorney of this
    circuit, I have prosecuted nine murder cases. I have never before sought
    the death penalty. I have seen several killings. I have been responsible
    for prosecuting several terrible killings. I have never before sought the
    death penalty.
    Conner’s counsel objected. The trial court sustained the objection and gave the
    jury a curative instruction not to consider the penalty before deciding guilt or
    innocence.
    After deliberating for fifty minutes, the jury found Conner guilty on all
    counts. Before the sentencing phase, the trial court granted defense counsel a brief
    recess for Mullis to confer with Conner. When the proceedings reconvened, the
    court asked Mullis if he planned to present any evidence in mitigation. Mullis
    responded:
    Your Honor, I had planned on calling four witnesses—of course, the
    defendant, and his brother, and father, and his mother. After the verdict
    came in I talked to Mr. Conner in a room adjacent to the courtroom and
    he has informed me that he does not desire me to enter any evidence in
    mitigation. He does not desire to do that himself, he has told me. I have
    counsel[ed] him that my advice would be to do otherwise. My advice
    would be to put in some evidence to mitigate this. He has told me he
    does not desire to do that.
    The following colloquy then took place between the court and
    Conner:
    THE COURT:          Mr. Conner, do you understand your rights to present
    evidence?
    6
    MR. CONNER:        Yeah.
    THE COURT:         And you have instructed your counsel and you are telling
    the Court now that you do not want to put anything in in
    evidence of mitigation?
    MR. CONNER:        That’s right.
    THE COURT:         All right, sir. That’s your privilege.
    The prosecution and the defense then made their closing arguments without
    presenting any additional evidence. During his sentencing phase closing, the
    prosecutor once again expressed his personal belief, based upon his experience,
    that the death penalty was appropriate in Conner’s case:
    As I told you, I have never previously sought the death penalty in any
    murder case, but I tell you, I am seeking it now, and I am asking this
    jury to go back to that jury room and return a verdict, or a decision to
    send John Wayne Conner to the electric chair.
    Conner’s counsel did not object to the prosecutor’s sentencing phase closing
    argument, and no curative instruction was given.
    The jury returned a death sentence upon a finding that the offense was
    “outrageously and wantonly vile, horrible and inhuman in that it did involve
    depravity of mind and aggravated battery to the victim.” See O.C.G.A. § 17-10-
    30(b)(7).
    B. DIRECT APPEAL
    7
    Conner appealed his conviction and sentence to the Georgia Supreme Court.
    Conner, 
    303 S.E.2d 266
    . After reviewing the sufficiency of the evidence, the
    court affirmed Conner’s convictions for motor vehicle theft and murder but
    vacated his armed robbery conviction. 
    Id. at 270–71.
    The court sua sponte
    reviewed the prosecutor’s closing argument to ensure that Conner’s death sentence
    was not imposed “under the influence of passion, prejudice, or any other arbitrary
    factor.” 
    Id. at 272–73
    (quoting O.C.G.A. § 17-10-35(c) (1)). The court found the
    argument to be improper because “[t]he portion of the prosecutor’s argument
    referring to his prior criminal experience and the frequency with which he had
    sought the death penalty was not supported by any evidence and, moreover, was
    not relevant to any issue in the case.” 
    Id. at 276.
    However, the court held that the
    remarks were “not so prejudicial or offensive and do not involve such egregious
    misconduct on the part of the prosecutor as to require reversal of [Conner’s] death
    sentence on the basis that it was impermissibly influenced by passion, prejudice,
    or any other arbitrary factor.” 
    Id. C. FIRST
    STATE HABEAS PROCEEDING
    Conner filed his first writ of habeas corpus in state trial court on March 23,
    1984. Evidentiary hearings were held on September 24, 1984, and February 11,
    1985.
    8
    In the first evidentiary hearing, Mullis testified about his representation of
    Conner at trial. He explained that although raising an insanity defense crossed his
    mind, he found nothing to substantiate such a claim. When asked about the CSH
    records, Mullis admitted that he knew that Conner had some psychiatric problems
    and suffered from drug and alcohol abuse. He further admitted that in seeking the
    appointment of an independent mental health examiner, he did not reveal to the
    trial judge any of the information contained in the CSH records.
    Mullis testified that while he was considering potential mitigation, he spoke
    with Conner’s parents and brother. They discussed Conner’s “upbringing” and
    “socioeconomic information.” Mullis stated that he learned that Conner had a
    deprived economic background and had not been raised “in the best of
    circumstances.” After Conner was convicted, Mullis spoke with Conner’s brother
    about testifying in mitigation. Also during this time, Mullis approached Conner’s
    girlfriend, Beverly Bates, who had testified against him at trial, about testifying in
    mitigation, but she refused. Mullis described Conner’s parents and brother as
    “waiting in the wings.”
    Mullis stated that his plan to present the testimony of Conner’s family
    members changed when Conner informed him after the entry of the guilty verdict
    that he did not want to present any mitigation evidence. Mullis explained that
    9
    Conner said “something to the effect of letting [the jurors] do what they will.”
    Mullis testified that he explained the purpose of the evidence to Conner but that
    Conner did not seem to care about himself.
    Between the first and second evidentiary hearings, Conner filed several
    affidavits in support of his habeas petition. At the second hearing, the state habeas
    court admitted into evidence the affidavits of Conner’s mother and father; his
    sister, Linda Jones, and her husband, Phillip Jones; and his sister-in-law, Sally
    Conner.2
    According to the affidavit of Conner’s mother, Mullis asked her and her
    husband if they would be willing to testify on Conner’s behalf during the
    sentencing phase. Conner’s mother stated that, had she testified, she would have
    informed the court that Conner was a good and loving son who worked hard and
    supported his family. As for Conner’s relationship with his father, she explained
    that they were close but that Conner’s father beat him as a child and into his teens.
    Conner’s mother admitted that he had problems, describing him as a “very
    troubled young man” who drank alcohol and used drugs. She explained that
    Conner was always depressed and that he felt unloved. She also stated that
    Conner tried to commit suicide in 1981.
    2
    None of these affidavits included the address or telephone number of the affiant.
    10
    According to the affidavit of Conner’s father, Mullis never asked if there
    were other family members and friends who would be willing to testify on
    Conner’s behalf. Mullis never asked about Conner’s school or work background
    or his relationship with other family members and friends. Conner’s father
    explained that Conner suffered from constant depression as a teenager and started
    drinking heavily, which only deepened his depression. Conner’s father also stated
    that he felt that Conner needed psychiatric help but the family could not afford it.
    Conner’s father also described a second suicide attempt, in which Conner
    tried to kill himself by cutting ropes holding him in a tree while he was working
    with his father in a tree surgery business. Conner told his father that he was trying
    to have an accident so that he would fall and kill himself. Conner’s father stated
    that if he had the chance, he would have told the jury that Conner always tried to
    be a decent, honest person and that he wished he had the money to get Conner
    help for his depression when he was younger.
    The other family affidavits attested to the same facts about Conner, and each
    family member stated that Mullis never asked them to testify on Conner’s behalf
    in mitigation.
    The state trial court entered a final order denying relief on January 6, 1997.
    In that order, the court identified and addressed twenty-six specific allegations of
    11
    ineffective assistance of trial and appellate counsel. In particular, the court
    considered Conner’s claims that his trial counsel, Mullis, was ineffective for
    “‘intolerably acquiescing’ in [Conner’s] decision not to present mitigating
    evidence” and for “failing to prepare evidence in mitigation.” The court found
    that Mullis unsuccessfully tried to convince Conner to present mitigating
    evidence, and that Conner knowingly and intelligently waived his right to do so.
    The court also found that Mullis prepared to present evidence in mitigation, but
    that Conner’s “own actions prevented [Mullis] from presenting evidence.” As for
    the affidavits of Conner’s family members, the court concluded that they did not
    overcome Conner’s waiver of his right to present mitigation evidence or otherwise
    establish ineffectiveness of counsel. Finding Mullis’s performance to be
    objectively reasonable, the court concluded that Conner could not prevail on his
    ineffective assistance of counsel claim. See Strickland v. Washington, 
    466 U.S. 668
    , 687–88, 
    104 S. Ct. 2052
    , 2064 (1984).
    E. SECOND STATE HABEAS PROCEEDING
    On October 3, 2001, Conner filed his second state habeas petition, asserting
    only one claim: that he is mentally retarded and therefore ineligible for the death
    penalty. To develop his claim, Conner requested access to an independent mental
    health examination. Conner supported his habeas petition with copies of his
    12
    school records and affidavits from three of his elementary school teachers.
    Without an evidentiary hearing, the state habeas court denied Conner’s
    request for a mental evaluation on October 26, 2001, concluding that the evidence
    was insufficient to support his claim of mental retardation. The court found that
    Conner’s school records were inadmissible hearsay and his elementary school
    teachers’ affidavits did not comport with O.C.G.A. § 9-14-48(c) because they did
    not include the affiants’ phone numbers and addresses.3 In the same order, the
    court dismissed the second petition as successive under O.C.G.A. § 9-14-51,4
    finding the claim could have been raised in an amendment to his original habeas
    petition because Fleming v. Zant5 was decided while Conner’s first state habeas
    3
    As noted above, in Conner’s first state habeas proceeding, the state habeas court
    admitted and considered Conner’s family affidavits which did not contain addresses and
    telephone numbers.
    4
    O.C.G.A . § 9-14-51 provides as follows:
    All grounds for relief claimed by a petitioner for a writ of habeas corpus shall be
    raised by a petitioner in his original or amended petition. Any grounds not so raised
    are waived unless the Constitution of the United States or of this state otherwise
    requires or unless any judge to whom the petition is assigned, on considering a
    subsequent petition, finds grounds for relief asserted therein which could not
    reasonably have been raised in the original or amended petition.
    5
    In Fleming v. Zant, 
    386 S.E.2d 339
    (Ga. 1989), the Georgia Supreme Court held that
    Georgia’s 1988 statutory ban on executing mentally retarded persons applied retroactively, as a
    matter of Georgia constitutional law, to all capital cases in Georgia. Further, Fleming established
    a procedure for habeas courts to follow in evaluating mental retardation claims for defendants,
    like Conner, who were tried and sentenced before Georgia law prohibited the execution of
    mentally retarded persons. 
    Id. at 342–43.
    13
    petition was pending in state court.
    On January 25, 2002, Conner filed an application for a certificate of
    probable cause (“CPC”) to the Supreme Court of Georgia to appeal the dismissal
    of his second state habeas corpus petition. His CPC application was denied on
    March 25, 2002. On April 4, 2002, Conner filed a motion for reconsideration,
    specifically noting that the United States Supreme Court had granted certiorari in
    Atkins v. Virginia, 
    534 U.S. 809
    , 
    122 S. Ct. 29
    (2001). Conner argued in his
    motion for reconsideration that if the Supreme Court ruled in Atkins that the
    execution of mentally retarded persons violates the Eighth Amendment, then there
    could be no “default” of such a claim. The Georgia Supreme Court denied
    Conner’s motion for reconsideration on April 12, 2002.
    On June 20, 2002, the United States Supreme Court held the Eighth
    Amendment categorically prohibits the execution of a mentally retarded
    defendant.6 
    Atkins, 536 U.S. at 321
    , 122 S. Ct. at 2254. Twenty-one days later,
    6
    Atkins abrogated the Court’s 1989 ruling in Penry v. Lynaugh, 
    492 U.S. 302
    , 340, 
    109 S. Ct. 2934
    , 2958 (1989), which had held that the Eighth Amendment did not preclude the
    execution of mentally retarded persons. Although recognizing that mentally retarded persons
    who meet the law’s requirements for criminal responsibility should be tried and punished when
    they commit crimes, the Supreme Court reasoned that mentally retarded persons cannot be
    constitutionally executed for two reasons. First, “[b]ecause of their disabilities in areas of
    reasoning, judgment, and control of their impulses,” mentally retarded defendants “do not act
    with the level of moral culpability that characterizes the most serious adult criminal conduct.”
    
    Atkins, 536 U.S. at 306
    , 122 S. Ct. at 2244; see also 
    id. at 318–20,
    122 S. Ct. at 2251. Second,
    “their impairments can jeopardize the reliability and fairness of capital proceedings against
    14
    on July 11, 2002, Conner filed a timely petition for certiorari in the United States
    Supreme Court in which he relied on Atkins.7 The Supreme Court denied
    Conner’s certiorari petition on October 7, 2002. Conner v. Head, 
    537 U.S. 908
    ,
    
    123 S. Ct. 249
    (2002), reh’g denied, 
    537 U.S. 1069
    , 
    123 S. Ct. 657
    (2002).
    F. FEDERAL HABEAS PROCEEDINGS
    Conner filed his § 2254 petition in the District Court on November 13,
    2001. The federal petition contained thirty-three separate claims for relief,
    including an Eighth Amendment challenge to the death penalty based on mental
    retardation under 
    Atkins, 536 U.S. at 321
    , 122 S. Ct. at 2252.
    On March 31, 2004, Conner filed a motion for leave to conduct limited
    discovery on his Atkins mental retardation claim. In his memorandum in support
    of that motion, Conner alleged that he was mentally retarded; that his elementary
    school records attested to his retardation; that his elementary school teachers who
    were still living were willing to attest to his retardation; that the state expert who
    examined him in 1982 found he suffered from “complete psychomotor
    retardation”; and that he had never been granted access to an independent defense
    mentally retarded defendants.” 
    Id. at 306–07,
    122 S. Ct. at 2244.
    7
    As noted above, Conner’s state postconviction proceedings were concluded at the time
    Atkins was decided. By promptly raising Atkins in a petition for certiorari, he raised it at his first
    available opportunity. Although Conner was not required to file a certiorari petition, we
    recognize that his efforts show he was diligent in pursuing his Atkins claim.
    15
    evaluation of his mental retardation claim. In support, Conner attached his school
    records and the affidavits of three of his elementary school teachers. Conner also
    argued that no court had ever heard the merits of his mental retardation claim.
    Despite the state court’s ruling that he procedurally defaulted his mental
    retardation claim, Conner argued, as he does now, that he followed Georgia’s
    procedures as provided in Fleming, 
    386 S.E.2d 339
    , and Turpin v. Hill, 
    498 S.E.2d 52
    , 53–54 (Ga. 1998).8 Conner also argued that the state’s procedural bar was not
    adequate to bar federal review because it was not consistently applied.
    On September 8, 2004, the District Court denied Conner’s discovery
    request, determining that he had defaulted his mental retardation claim in state
    court. The District Court acknowledged that its “review of the case law lends
    credibility to Conner’s position that [the state procedural bar] is inconsistently
    applied to claims of mental retardation.” Nevertheless, the District Court held that
    the Georgia Supreme Court’s denial of a CPC application in Conner’s case, as
    well as a CPC denial by the Georgia Supreme Court in Hicks v. Schofield, 
    599 S.E.2d 156
    (Ga. 2004), “could signal a reversal of the Turpin v. Hill rule” that
    state habeas petitions by capital petitioners asserting mental retardation would not
    8
    In Turpin, the Georgia Supreme Court held that state habeas relief was available to
    capital petitioners asserting mental retardation claims in state habeas petitions, regardless of
    whether the claim had been procedurally 
    defaulted. 498 S.E.2d at 53
    .
    16
    be barred by procedural default rules.9
    After briefing by the parties, the District Court denied Conner’s habeas
    petition in its entirety on November 6, 2009. The District Court granted Conner’s
    request for a COA on two claims: (a) whether it erred in finding that Conner’s
    claim of mental retardation was procedurally defaulted; and (b) whether it erred in
    concluding that Conner’s trial counsel had not rendered ineffective assistance
    during the mitigation phase of his trial.
    We expanded the COA to include a third claim: “Whether the district court
    erred in determining that the state court’s decision—that the prosecutor’s closing
    arguments were not so egregious as to require reversal—was not contrary to, or an
    unreasonable application of, Supreme Court precedent.”
    II. STANDARDS OF REVIEW
    We review de novo the district court’s denial of a 28 U.S.C. § 2254 petition,
    but we are “highly deferential” to the state court’s decision on the merits of a
    9
    Specifically, the District Court stated:
    In my view, the Georgia Supreme Court has implicitly, if not expressly, spoken to
    this issue with regard to this very petitioner by allowing the second state habeas
    court’s ruling of procedural default to stand and rejecting Chief Justice Fletcher’s
    position in dissent to grant the CPC application. Given this recent expression, I
    cannot conclude that the second state habeas court’s application of the state
    procedural bar is an inadequate state ground to default the claim.
    17
    claim. Cullen v. Pinholster, --- U.S. ---, ---, 
    131 S. Ct. 1388
    , 1398 (2011) (the
    AEDPA deference “is a difficult to meet and highly deferential standard for
    evaluating state-court rulings, which demands that state-court decisions be given
    the benefit of the doubt”) (quotation marks and citations omitted); Harrington v.
    Richter, --- U.S. ---, ---, 
    131 S. Ct. 770
    , 786 (2011) (“A state court’s determination
    that a claim lacks merit precludes federal habeas relief so long as fairminded
    jurists could disagree on the correctness of the state court’s decision.”) (quotation
    marks omitted); 
    id. (“It bears
    repeating that even a strong case for relief does not
    mean the state court’s contrary conclusion was unreasonable. . . . If this standard
    is difficult to meet, that is because it was meant to be.”). If a state court has
    adjudicated the merits of a claim, we may not grant habeas relief unless the state
    court’s decision “was contrary to, or involved an unreasonable application of,
    clearly established Federal law, as determined by the Supreme Court of the United
    States,” or “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); Davis v. Jones, 
    506 F.3d 1325
    , 1331 (11th Cir. 2007).
    “A state court decision is contrary to clearly established federal law if it
    applies a rule that contradicts the governing law set forth in [Supreme Court] cases
    or confronts facts that are materially indistinguishable from a relevant Supreme
    18
    Court precedent and arrives at a result opposite to [the Court’s].” Windom v.
    Sec’y, Dep’t of Corr., 
    578 F.3d 1227
    , 1247 (11th Cir. 2009) (internal quotation
    marks omitted) (alterations in original). A state court unreasonably applies federal
    law when it “identifies the correct legal rule from Supreme Court case law but
    unreasonably applies that rule to the facts of the petitioner’s case,” or when it
    “unreasonably extends, or unreasonably declines to extend, a legal principle from
    Supreme Court case law to a new context.” Suggs v. McNeil, 
    609 F.3d 1218
    ,
    1227 (11th Cir. 2010) (quotation marks omitted). In determining
    unreasonableness, we do not ask whether the state court decided an issue
    correctly, but only whether the court’s decision was objectively unreasonable.
    Renico v. Lett, --- U.S. ---, 
    130 S. Ct. 1855
    , 1862 (2010).
    III. DISCUSSION
    A. PROCEDURAL DEFAULT OF MENTAL RETARDATION CLAIM
    Under the doctrine of procedural default, a federal habeas court will not
    review a claim rejected by a state court “if the decision of [the state] court rests on
    a state law ground that is independent of the federal question and adequate to
    support the judgment,” Coleman v. Thompson, 
    501 U.S. 722
    , 729, 
    111 S. Ct. 2546
    , 2253 (1991), unless a petitioner can show cause for the failure to properly
    present the claim and actual prejudice, or that the failure to consider the claim
    19
    would result in a fundamental miscarriage of justice. Wainwright v. Sykes, 
    433 U.S. 72
    , 81–88, 
    97 S. Ct. 2497
    , 2503–07 (1977); Marek v. Singletary, 
    62 F.3d 1295
    , 1301–02 (11th Cir. 1995). The adequacy of a state procedural bar to the
    assertion of a federal question is itself a federal question. Lee v. Kemna, 
    534 U.S. 362
    , 375, 
    122 S. Ct. 877
    , 885 (2002).
    “To qualify as an ‘adequate’ procedural ground, a state rule must be ‘firmly
    established and regularly followed.’” Walker v. Martin, --- U.S. ---, 
    131 S. Ct. 1120
    , 1127–28 (2011) (citation omitted). Conner argues that Georgia’s rules are
    inadequate because Georgia has inconsistently applied its procedural default rule
    to mental retardation claims brought by capital defendants similarly situated to
    him. We agree. Under the unique facts of Conner’s case, we hold that the
    Georgia’s procedural default rule, O.C.G.A. § 9-14-51, is inadequate to bar federal
    review of Conner’s mental retardation claim because it has not been consistently
    and regularly followed.10
    Under Georgia law, as we have previously recognized, “a prisoner seeking a
    10
    When applied to ordinary habeas petitioners who simply failed to include available
    claims in their initial petitions, the Georgia successor statute, O.C.G.A. § 9-14-51, is a valid
    procedural bar. See Chambers v. Thompson, 
    150 F.3d 1324
    , 1325–26 (11th Cir. 1998). Unlike
    Chambers, which turned on the general nature of procedural bar at issue without regard to the
    claims held to be procedurally barred, this case involves only the adequacy of Georgia’s
    successor statute as applied to a mental retardation claim raised in a second or successive state
    habeas petition.
    20
    writ of habeas corpus vacating his conviction must present all of his grounds for
    relief in his original petition.” Mincey v. Head, 
    206 F.3d 1106
    , 1136 (11th Cir.
    2000). Georgia’s procedural default statute provides that:
    [a]ll grounds for relief claimed by a petitioner for a writ of habeas
    corpus shall be raised by a petitioner in his original or amended petition.
    Any grounds not so raised are waived unless the Constitution of the
    United States or of this state otherwise requires or unless any judge to
    whom the petition is assigned, on considering a subsequent petition,
    finds grounds for relief asserted therein which could not reasonably have
    been raised in the original or amended petition.
    O.C.G.A. § 9-14-51. Ordinarily, failure to comply with this rule precludes federal
    habeas review. 
    Mincey, 206 F.3d at 1136
    . But the State of Georgia has special
    rules of practice and procedure to handle mental retardation claims for capital
    defendants like Conner, whose trials occurred prior to Georgia’s 1988 ban on
    executing mentally retarded persons. Our review in this case is limited, therefore,
    to the adequacy of Georgia’s procedural default rules to bar federal review of
    mental retardation claims of defendants, like Conner, whose trials commenced
    before July 1, 1988.
    By statute, Georgia law has prohibited execution of the mentally retarded
    since 1988.11 See O.C.G.A. § 17-7-131(j). On its face, Georgia’s statutory ban
    11
    In 1988 the Georgia legislature passed an amendment to O.C.G.A. § 17-7-131. Under
    the amended statute, the jury in a capital trial must decide at the time of trial on guilt or
    innocence of the defendant whether the defendant is “guilty but mentally retarded.” 
    Id. § 17-7-
    21
    against executing mentally retarded defendants does not apply to defendants who
    were tried before July 1, 1988. 
    Id. But in
    Fleming v. Zant, 
    386 S.E.2d 339
    , the
    Georgia Supreme Court held that the Georgia Constitution’s cruel and unusual
    punishment clause precluded the execution of mentally retarded persons,
    regardless of when a trial occurred. 
    Id. at 342–43.
    Thus, Fleming applied the ban
    on executing mentally retarded persons retroactively and established procedures to
    be followed to examine mental retardation claims in state habeas proceedings.12
    131(c)(3). If the defendant is found to be guilty but mentally retarded, the death penalty shall not
    be imposed. O.C.G.A. § 17-7-131(j) provides:
    In the trial of any case in which the death penalty is sought which commences on or
    after July 1, 1988, should the judge find in accepting a plea of guilty but mentally
    retarded or the jury or court find in its verdict that the defendant is guilty of the crime
    charged but mentally retarded, the death penalty shall not be imposed and the court
    shall sentence the defendant to imprisonment for life.
    12
    In doing so, Fleming established a two-step process for Georgia courts to follow in
    resolving mental retardation claims raised by petitioners in Fleming’s position:
    When a defendant who was tried before the effective date of the OCGA § 17-7-131(j)
    alleges in a petition for habeas corpus that he or she is mentally retarded, the habeas
    corpus court must first determine whether the petitioner has presented sufficient
    credible evidence, which must include at least one expert diagnosis of mental
    retardation, to create a genuine issue regarding petitioner’s retardation. The court, in
    its discretion, may hold a hearing on the issue, or may make the determination based
    on affidavits, depositions, documents, etc. If, after examining the evidence, the
    habeas corpus court finds that there is a genuine issue, a writ shall be granted for the
    limited purpose of conducting a trial on the issue of retardation only. This trial shall
    be held in the court in which the original trial was conducted. Petitioner shall be
    entitled to a full evidentiary hearing on the issue of retardation. The determination
    shall be made by a jury using the definition of retardation enunciated in the statute.
    See O.C.G.A. § 17-7-131(a)(3). The petitioner will bear the burden of proving
    retardation by a preponderance of the evidence.
    22
    
    Id. Nine years
    after Fleming, the Georgia Supreme Court held in Turpin v. Hill,
    
    498 S.E.2d 52
    , that a mental retardation claim raised by a capital habeas petitioner
    in a state habeas petition cannot be procedurally defaulted as a matter of state law.
    
    Id. at 53.
    Although Hill was convicted and sentenced to death in 1991, three years
    after the effective date of O.C.G.A. § 17-7-131(j)’s ban on executing mentally
    retarded defendants, he did not raise a mental retardation issue at trial or on direct
    appeal. 
    Id. at 52.
    Hill then filed a state habeas corpus petition raising a mental
    retardation claim.13 The state raised the defense of procedural default. The state
    habeas trial court ruled that the mental retardation claim was not subject to
    procedural default, and upon finding that Hill had presented sufficient credible
    evidence of mental retardation, granted a limited writ for jury trial on the issue of
    mental retardation based upon Fleming. 
    Id. at 52–53.
    On appeal, the Georgia
    Supreme Court agreed with the state trial court, stating:
    In light of this Court’s holding that the execution of the mentally
    retarded constitutes cruel and unusual punishment under the Georgia
    
    Fleming, 386 S.E.2d at 342
    –43 (footnote omitted) (emphasis added).
    13
    Hill supported his petition with an affidavit from a psychologist who testified at the
    penalty phase of his capital trial who averred that his penalty phase testimony was based on
    inadequate information and his prior IQ test results were inaccurate and misleading. 
    Turpin, 498 S.E.2d at 52
    n.1.
    23
    Constitution [in Fleming], we find no error in the habeas court’s
    consideration of appellee’s claim of mental retardation. “In all cases
    habeas corpus relief shall be granted to avoid a miscarriage of justice.”
    
    Turpin, 498 S.E.2d at 53
    (quoting O.C.G.A. § 9-14-48(d)) (citation and footnote
    omitted).
    In this case, the District Court held that Conner’s mental retardation claim
    was procedurally barred because the Georgia habeas court dismissed Conner’s
    second habeas petition as successive under O.C.G.A. § 9-14-51, finding the claim
    could have been raised in an amendment to his original habeas petition because
    Fleming was decided while Conner’s first state habeas petition was pending in
    state court. After careful review of Georgia’s actual practice and procedure for
    addressing mental retardation claims for state habeas petitioners similarly situated
    to Conner,14 we are compelled to conclude that the procedural bar is inadequate to
    bar federal review because it has not been consistently and regularly applied.
    The inadequacy of Georgia’s procedural default rule, O.C.G.A. § 9-14-51,
    as a bar to federal review of Conner’s mental retardation claim is illustrated by the
    numerous Georgia habeas petitioners, similarly situated to Conner, who have
    14
    Conner has cited a plethora of judicial orders, opinions, and written dispositions from
    the state courts of Georgia which are not available in a publicly accessible database. He has filed
    and served copies of these materials with his briefs in this Court, a copy of which will be
    maintained by the Clerk of this Court and made available for public inspection.
    24
    been granted access to independent mental health evaluations and Fleming
    remands since Fleming and Turpin, regardless of whether they brought their
    mental retardation claims in a second or third state habeas petition. Indeed, since
    Fleming issued, numerous Georgia death-sentenced prisoners whose trials, like
    Conner’s, commenced before July 1, 1988, the effective date of O.C.G.A. § 17-7-
    131(j), have obtained independent expert access and remands for mental
    retardation trials from claims filed in second or successive state habeas petitions.
    See Fleming v. Zant, 89-V-2252 (Super. Ct. Butts Cty., Ga. Mar. 18, 1991)
    (remanding case in 1991 for jury trial on issue of mental retardation following
    petitioner’s raising mental retardation claim for the first time in a third (second
    successive) state habeas corpus petition filed in 1989); Allen v. Zant, No. 90-V-
    3326 (Super. Ct. Butts Cty., Ga. Sept. 20, 1991) (granting in 1991, after Allen
    filed successive state habeas petition in 1991 that alleged mental retardation and
    attached school records and affidavits from family members and school principal,
    access for two mental health evaluations and subsequently remanding case for a
    trial on mental retardation); Collins v. Zant, No. 90-V-3211 (Sup. Ct. Butts Cty.,
    Ga. Mar. 18, 1991) (granting in 1991, after Collins alleged mental retardation for
    the first time in a second successive state habeas petition filed in 1990,
    independent expert access and testing and remanding case to the trial court under
    25
    Fleming for a jury trial on mental retardation); Gates v. Zant, No. 89-V-2468
    (Super. Ct. Butts Cty., Ga. Apr. 13, 1992) (granting independent expert access in
    1990 and then remanding claim for jury trial in 1991 to petitioner who alleged
    mental retardation in a successor state habeas petition filed in 1989); Mathis v.
    Thomas, No. 95-V-658 (Super. Ct. Butts Cty., Ga. Sept. 13, 2001) (granting
    independent expert access in 1995 to petitioner who raised mental retardation
    claim in his third (second successive) state habeas petition in 1995, then
    remanding case in 2001 for jury trial to determine mental retardation); Peek v.
    Zant, No. 86-V-830 (Super. Ct. Butts Cty., G. June 11, 1990) (remanding in 1990
    for jury trial on mental retardation claim filed in successor state habeas corpus
    petition); Rogers v. Thomas, No. 94-V-661 (Super. Ct. Butts Cty., Ga. 1995 May
    22, 1995) (granting independent expert access in 1994 to petitioner who raised
    mental retardation claim in successor state habeas petition filed in 1994 and
    remanding for jury trial on mental retardation in 1995), aff’d, Rogers v. State, 
    575 S.E.2d 879
    (Ga. 2003); Walker v. Zant, No. 90-V-2984 (Super. Ct. Butts Cty., Ga.
    May 17, 1991) (granting independent expert access in 1991 to petitioner who filed
    successive habeas petition in 1990, remanding for Fleming jury trial on mental
    retardation in 1991), denial of first state petition aff’d without opinion, Kemp v.
    Walker, 
    389 S.E.2d 761
    (Ga. 1990) (table); Waters v. Thomas, No. 95-V-441
    26
    (Super. Ct. Butts Cty. Ga. Dec. 6, 1995) (same); Wilson v. Zant, No. 90-V-2935
    (Super. Ct. Butts Cty., Ga. Mar. 15, 1991) (same).15
    Considering the fact that in the vast majority of cases where it has come up
    the Georgia courts have not applied that state’s second and successive petition
    procedural bar rule to other petitioners’ mental retardation claims, we disagree
    with the District Court’s conclusion that the Georgia Supreme Court’s denial of a
    certificate of probable cause (CPC) to appeal Conner’s second habeas corpus
    petition signaled a “reversal” of the Georgia Supreme Court’s Turpin rule that
    state habeas relief was available to capital petitioners asserting mental retardation
    claims in state habeas petitions to avoid a miscarriage of justice, regardless of
    whether the claim had been procedurally defaulted. See 
    Turpin, 498 S.E.2d at 53
    .
    Georgia’s miscarriage of justice exception was applied to allow consideration of
    otherwise procedurally defaulted mental retardation claims before and after
    Conner’s second State Petition for Writ of Habeas Corpus was denied in late 2001
    and his application for CPC was denied in early 2002.16 Considering Georgia’s
    15
    Under O.C.G.A. § 9-14-43, a Georgia prisoner must file his habeas petition in the
    superior court of the county in which the petitioner is detained. Since Georgia prisoners under a
    death sentence are housed at the Georgia Diagnostic and Classification Prison in Jackson,
    Georgia, their state habeas petitions are filed in Butts County.
    16
    See Turpin, 
    498 S.E.2d 52
    ; Head v. Ferrell, 
    554 S.E.2d 155
    , 166–67 (Ga. 2001)
    (finding no error in state habeas court’s consideration of mental retardation claim under
    miscarriage of justice exception to procedural default under Turpin); Schofield v. Holsey, 642
    27
    application of its procedural bar rules to other mental retardation claims, “one
    cannot seriously contend that the [Georgia] Court has applied its procedural bar
    rules evenhandedly to all similar claims.” Dugger v. Adams, 
    489 U.S. 401
    , 420,
    
    109 S. Ct. 1211
    , 1222 (1989) (quotation marks omitted). We therefore conclude
    that Georgia’s inconsistent application of the miscarriage of justice exception to
    procedural default in cases of mental retardation renders the procedural bar in
    Conner’s case inadequate to preclude federal review. See Spencer v. Kemp, 
    781 F.2d 1458
    , 1470 (11th Cir. 1986) (“It is a dominant theme of the Supreme Court
    case law . . . that a federal habeas petitioner shall not be denied federal review of a
    federal constitutional claim on the basis of an asserted state procedural ground that
    is manifestly unfair in its treatment of that claim.”).
    Since there is no adequate procedural bar precluding federal review, we now
    turn to the District Court’s treatment of Conner’s mental retardation claim.
    S.E.2d 56, 63 (Ga. 2007) (finding that petitioner had not established mental retardation, but
    noting that “the habeas court was correct in considering this new claim, because this Court, under
    the ‘miscarriage of justice’ exception to the rule of procedural default, has authorized habeas
    courts to consider alleged mental retardation when the issue was not raised at trial”); Hall v.
    Lewis, 
    692 S.E.2d 580
    , 593 (Ga. 2010) (holding unappealed finding by habeas court that
    petitioner was mentally retarded under “miscarriage of justice” exception to procedural default
    rendered moot new sentencing trial based upon ineffective assistance of counsel); see also
    Rogers v. State, 
    575 S.E.2d 879
    , 881 (Ga. 2003) (“A defendant tried prior to July 1, 1988, for
    whom no judicial determination on mental retardation will have been made, may choose to raise
    the issue of his or her mental retardation by filing a petition for habeas corpus and presenting
    sufficient credible evidence, including at least one expert diagnosis of mental retardation, to
    create a genuine issue regarding retardation.”).
    28
    Conner requested discovery and an evidentiary hearing in the District Court on his
    mental retardation claim, as he had done in his second state habeas petition.
    Indeed, Conner had requested access to an independent mental health examination
    in both state and federal court, but his requests were denied. The District Court
    denied Conner’s request for discovery and an evidentiary hearing because it
    determined Conner had procedurally defaulted his mental retardation claim.
    Since we hold Conner did not procedurally default his claim, the District Court’s
    order denying discovery and an evidentiary hearing on this basis was error.
    Although we could determine whether Conner is entitled to discovery and
    an evidentiary hearing, we decline to do so. Ordinarily, the district court should
    have the first opportunity to decide whether discovery and an evidentiary hearing
    are appropriate under the relevant rules governing these procedural issues. We
    recognize that habeas law vests district courts with some discretion in such
    matters. See, e.g., Rule 6(a) of the Rules Governing § 2254 Cases (“A party shall
    be entitled to invoke processes of discovery available under Federal Rules of Civil
    Procedure if, and to the extent that, the judge in the exercise of his discretion and
    for good cause shown grants leave to do so, but not otherwise.”); Bracy v.
    Gramley, 
    520 U.S. 899
    , 909, 
    117 S. Ct. 1793
    , 1799 (1997) (“Rule 6(a) makes it
    clear that the scope and extent of such discovery is a matter confided to the
    29
    discretion of the District Court.”); Williams v. Allen, 
    542 F.3d 1326
    , 1346–48
    (11th Cir. 2008) (stating “district court’s decision to grant or deny an evidentiary
    hearing [is reviewed] for abuse of discretion” and discussing considerations
    applicable to deciding whether evidentiary hearing is precluded, mandatory, or
    discretionary). Accordingly, we remand Conner’s case to the District Court for it
    to determine whether discovery and an evidentiary hearing are appropriate.
    To guide the District Court in the exercise of its discretion, we add the
    following general observations, without expressing an opinion as to the merits of
    Conner’s mental retardation claim. First, with respect to whether Conner is
    entitled to an evidentiary hearing, “a federal court must consider whether such a
    hearing could enable an applicant to prove the petition’s factual allegations,
    which, if true, would entitle the applicant to federal habeas relief.” Schriro v.
    Landrigan, 
    550 U.S. 465
    , 474, 
    127 S. Ct. 1933
    , 1940 (2007). Ordinarily, federal
    courts must take into account the deferential standards prescribed by 28 U.S.C. §
    2254(d) in deciding whether an evidentiary hearing is appropriate. 
    Id. But in
    this
    case, we find that Conner’s mental retardation claim was never adjudicated on the
    merits in state court because of the state court’s determination that Conner’s claim
    was procedurally barred. Thus, the District Court is not bound by AEDPA’s
    deferential standards in 28 U.S.C. § 2254(d) and federal court review is de novo.
    30
    See Porter v. McCollum, --- U.S. ---, 
    130 S. Ct. 447
    , 452 (2009) (“Because the
    state court did not decide whether Porter’s counsel was deficient, we review this
    element of Porter’s Strickland claim de novo.”).
    Second, in considering whether Conner’s factual allegations regarding his
    mental retardation, if true, would entitle him to habeas relief, we are guided by the
    Supreme Court’s decision in Atkins. In Atkins, the Supreme Court recognized
    “that a national consensus has developed against” executing the mentally retarded.
    
    Atkins, 536 U.S. at 316
    , 122 S. Ct. at 2249. But to the extent there is
    disagreement about executing mentally retarded offenders, Atkins recognized “it is
    in determining which offenders are in fact retarded.” 
    Id. at 317,
    122 S. Ct. at
    2250. The Court left “to the State[s] the task of developing appropriate ways to
    enforce the constitutional restriction upon [their] execution of sentences.” 
    Id. (quoting Ford
    v. Wainwright, 
    477 U.S. 399
    , 405, 416–17, 
    106 S. Ct. 2595
    , 2605
    (1986)); see also Bobby v. Bies, --- U.S. ---, 
    129 S. Ct. 2145
    , 2150 (2009)
    (reaffirming that Atkins had “left to the States the task of developing appropriate
    ways to enforce the constitutional restriction” on executing the mentally retarded);
    Thomas v. Allen, 
    607 F.3d 749
    , 752 (11th Cir. 2010). Thus, when considering
    Conner’s mental retardation claim, the District Court must apply Georgia’s
    31
    substantive mental retardation criteria.17 See, e.g., 
    Thomas, 607 F.3d at 752
    .
    Finally, we observe that § 2254(e)(2)’s prohibition against evidentiary
    hearings does not apply in this case because Conner has not “failed to develop the
    factual basis of” his mental retardation claim within the meaning of 28 U.S.C.
    § 2254(e)(2). See Williams v. Taylor, 
    529 U.S. 420
    , 437, 
    120 S. Ct. 1479
    , 1491
    (2000) (“If there has been no lack of diligence at the relevant stages in the state
    proceedings, the prisoner has not ‘failed to develop’ the facts under § 2254(e)(2)’s
    opening clause, and he will be excused from showing compliance with the balance
    of the subsection’s requirements.”). “[A] failure to develop the factual basis of a
    claim is not established unless there is lack of diligence, or some greater fault,
    attributable to the prisoner or the prisoner’s counsel.” 
    Id. at 432,
    120 S. Ct. 1488
    .
    As noted above, Conner filed a second state habeas petition, which was supported
    by school records and teacher affidavits, shortly after his first state habeas corpus
    was denied CPC by the Georgia Supreme Court. At that time, he requested and
    was denied independent access for a mental health evaluation and an evidentiary
    17
    By statute, Georgia defines “[m]entally retarded” as “significantly subaverage general
    intellectual functioning resulting in or associated with impairments in adaptive behavior which
    manifested during the developmental period.” O.C.G.A. § 17-7-131(a)(3). In Georgia,
    significantly subaverage intellectual functioning generally requires an IQ score of 70 or below.
    Stripling v. State, 
    401 S.E.2d 500
    , 504 (Ga. 1991). Because Conner was tried before July 1,
    1988, Georgia law requires that he prove his mental retardation by a preponderance of the
    evidence. 
    Fleming, 386 S.E.2d at 342
    –43.
    32
    hearing to support his mental retardation claim. Further, at the time Fleming was
    announced in 1989, Conner was several years post-hearing and had no viable
    avenue for getting a mental health evaluation given Georgia’s long-standing
    policy not to permit mental health experts into the prison without a court order.
    Under the unique facts of Conner’s case, we conclude that Conner was diligent in
    his efforts to develop the factual record in support of his claim. Thus, § 2254(e)
    does not preclude a federal evidentiary hearing.
    For all of these reasons, we vacate the District Court’s order finding
    procedural default and its judgment denying Conner discovery and an evidentiary
    hearing. We remand this claim to the District Court to determine whether Conner
    is entitled to discovery and an evidentiary hearing on his mental retardation claim
    consistent with this opinion and with Georgia’s substantive mental retardation
    standards.
    B. REMAINING CLAIMS
    Having determined that we must vacate the District Court’s judgment
    denying Conner’s petition and remand for further proceedings on the mental
    retardation claim, it is unnecessary for us to decide anything regarding the other
    two claims—the ineffective assistance of counsel at sentencing claim and the
    33
    prosecutorial misconduct claim. Our remand is not limited but is, instead, a
    remand of the entire case.
    Accordingly, we VACATE the District Court’s judgment denying Conner’s
    habeas petition and REMAND the entire case to the District Court for further
    proceedings consistent with this opinion.
    VACATED and REMANDED.
    34