Jesse Gonzalez v. Robert Wong , 667 F.3d 965 ( 2011 )


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  •                   FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    JESSE GONZALEZ,                        
    Petitioner-Appellant,
    No. 08-99025
    v.
    ROBERT WONG, Warden of                         D.C. No.
    2:95-CV-02345-JVS
    California State Prison at San
    OPINION
    Quentin,
    Respondent-Appellee.
    
    Appeal from the United States District Court
    for the Central District of California
    Lourdes G. Baird and James V. Selna,
    District Judges, Presiding
    Argued and Submitted
    January 10, 2011—Pasadena, California
    Filed December 7, 2011
    Before: Diarmuid F. O’Scannlain, William A. Fletcher, and
    Richard R. Clifton, Circuit Judges.
    Opinion by Judge Clifton;
    Partial Concurrence and Partial Dissent by
    Judge W. Fletcher;
    Partial Dissent by Judge O’Scannlain
    20683
    GONZALEZ v. WONG                           20687
    COUNSEL
    Robert Berke, Santa Monica, California; Mark E. Overland
    (argued), Scheper Kim & Overland LLP, Los Angeles, Cali-
    fornia, for the petitioner-appellant.
    Joseph P. Lee, Deputy Attorney General, Los Angeles, Cali-
    fornia, for the respondent-appellee.
    OPINION
    CLIFTON, Circuit Judge:
    Jesse Gonzales1 was convicted in a California state court of
    first degree murder, with a finding of the special circumstance
    of killing a law enforcement officer engaged in the lawful
    pursuit of his duties, and was sentenced to death. The Califor-
    1
    It appears that Gonzales’s name is spelled wrong in the case caption.
    This error dates back to his trial and is reflected in the caption of the Cali-
    fornia Supreme Court’s decision as well. People v. Gonzalez, 
    800 P.2d 1159
     (Cal. 1990). In order to avoid confusion we have retained the errone-
    ous spelling in the caption, but have correctly spelled Gonzales’s name in
    the opinion.
    20688                 GONZALEZ v. WONG
    nia Supreme Court affirmed the conviction and sentence and
    denied Gonzales’s petition for post-conviction relief. People
    v. Gonzalez, 
    800 P.2d 1159
     (Cal. 1990). The district court
    denied his petition for habeas corpus under 
    28 U.S.C. § 2254
    ,
    and he appeals that denial to us.
    Gonzales’s appeal requires us to consider and apply the
    decision of the United States Supreme Court earlier this year
    in Cullen v. Pinholster, ___ U.S. ___, 
    131 S. Ct. 1388
     (2011).
    In that decision, the Court held that in reviewing the petition
    of a state prisoner for habeas relief under the Antiterrorism
    and Effective Death Penalty Act (“AEDPA”) when the pris-
    oner petitions for review of a claim adjudicated in the state
    courts on the merits under 
    28 U.S.C. § 2254
    (d)(1), a federal
    court may consider only the record that was before the state
    court when it adjudicated the claim.
    One of the arguments made by Gonzales to the California
    Supreme Court and rejected by that court was that the prose-
    cutor failed to turn over exculpatory material as required
    under Brady v. Maryland, 
    373 U.S. 83
     (1963), and related
    cases. The argument specifically referred to information con-
    cerning one prosecution witness, a jailhouse informant named
    William Acker. Acker testified during the guilt and penalty
    phases of Gonzales’s trial that Gonzales had admitted that he
    intentionally killed the deputy sheriff, in effect confessing to
    Acker that he was guilty of the crime and special circum-
    stance alleged. Some material regarding Acker was turned
    over by the prosecutor to Gonzales’s defense counsel prior to
    trial, but other material, concerning Acker’s mental state and
    credibility, was not. Despite diligent effort by Gonzales, some
    of the documents that were not turned over did not become
    known to Gonzales until they were obtained during the fed-
    eral habeas proceeding in district court, after the state court
    had rendered its decision. Those materials were not, therefore,
    part of the state court record.
    GONZALEZ v. WONG                           20689
    Under Pinholster, we may not consider those later-
    discovered materials in reviewing Gonzales’s federal habeas
    claim. Because it appears to us that those materials strengthen
    Gonzales’s Brady claim to the point that his argument would
    be potentially meritorious — that is, that a reasonable state
    court might be persuaded to grant relief on that claim — it is
    not appropriate for us to ignore those materials. We remand
    that portion of the case2 to district court with instructions to
    stay the proceeding in order to give Gonzales an opportunity
    to return to state court and present his claim with the benefit
    of the materials that were not available and not part of the
    record at the time of the California Supreme Court decision.
    By that process, we seek to satisfy the intent of AEDPA, as
    discussed in Pinholster, 
    131 S. Ct. at 1398
    , that habeas claims
    of state prisoners be channeled in the first instance to state
    court.
    We are not persuaded by the other arguments presented by
    Gonzales. Thus, we affirm the judgment of the district court
    as to most issues, but vacate the part of the judgment that
    denied the Brady claim (and related ineffective assistance of
    counsel claim, see note 2) and remand that claim to the dis-
    trict court with instructions to stay proceedings to permit
    Gonzales to present the claim to the California Supreme
    Court.
    2
    In addition to the Brady claim, we also remand to the district court with
    similar instructions as to one of several ineffective assistance of counsel
    claims asserted by Gonzales, that being a claim that his counsel was inef-
    fective for not earlier obtaining the materials that arguably would have
    impeached Acker. As we explain below, at 20698 note 7, that particular
    ineffective assistance claim substantially overlaps with the Brady claim.
    For clarity, we will generally not discuss or refer to that ineffective assis-
    tance claim separately, but when we refer to our disposition of the Brady
    claim we include that ineffective assistance claim as well.
    20690                  GONZALEZ v. WONG
    I.   Background
    Eleven plain-clothed sheriff deputies arrived in three
    unmarked vehicles at the home of Gonzales’s parents in La
    Puente to execute a search warrant on the evening of May 29,
    1979. The search warrant was based on an undercover narcot-
    ics purchase made several days earlier from Gonzales’s cou-
    sin at the residence. Four of the deputies approached the front
    door and one of them knocked and stated “Los Angeles Sher-
    iff’s Department. We have a search warrant. Open the door.”
    Several seconds later the knock and announce was repeated.
    The deputies heard what sounded like running and, fearing
    that narcotic evidence was being destroyed, they attempted to
    enter the house forcefully. Deputy Robert Esquivel eventually
    kicked in the door and his momentum carried him into the
    entryway. Esquivel saw Gonzales standing at the end of the
    hallway with a shotgun pointed at the front door. The shotgun
    blast missed Esquivel but hit Deputy Jack Williams who
    entered the house behind him. Williams died as a result of the
    shotgun wound. Gonzales was shot and apprehended by the
    deputies.
    Gonzales was charged with first degree murder with the
    special circumstance of killing a peace officer who was
    engaged in the lawful pursuit of his duties. His trial was bifur-
    cated into two phases, a guilt phase and a penalty phase. Each
    phase was tried before a different jury.
    During the guilt phase, the facts of the shooting, as
    described above, were not disputed by the defense. Gon-
    zales’s defense was that he had not heard the officers’
    announcements and instead believed the officers were mem-
    bers of a rival gang, known as the Bassetts, coming to kill him
    and his cousin. The central question at trial was Gonzales’s
    understanding and intent at the time of the shooting.
    The prosecution presented significant evidence showing
    that Gonzales could not have believed that the officers were
    GONZALEZ v. WONG                    20691
    gang members. All of the surviving deputies who were by the
    front door testified as to the manner of the entry and the
    shooting. In particular, they testified that while they were
    dressed in casual clothing, all of them, including the officer
    who was killed, had their badges either affixed to their jackets
    or in their hands. They also testified that they twice
    announced that they were police before entering the home.
    Additionally, an officer with expertise in gang-related crime
    testified that La Puente was no longer an area of high gang
    activity. He testified that almost all gang violence consisted
    of drive-by shootings, conduct very different from the actions
    of the officers serving the warrant. He also described the typi-
    cal gang warrior as a Latino teenager and gave reasons why
    the officers, all of whom were in their 30’s and, with the
    exception of Esquivel, were white, could not have been mis-
    taken for gang warriors. Thus, the prosecution argued, Gon-
    zales must have known that he was shooting at law
    enforcement officers, not rival gang members.
    In addition, the prosecution presented evidence to support
    the contention that Gonzales not only knew he was shooting
    at officers but that he knew in advance that the police were
    coming and planned on using the raid as an opportunity to kill
    a police officer. This theory was based almost entirely on the
    testimony of William Acker, another prisoner held in the
    same jail as Gonzales. Acker testified that while in jail, Gon-
    zales admitted to knowing that the men were officers because
    he had received a phone call informing him of the raid, and
    further that he planned to “bag a cop” when the officers
    served the warrant. Acker also testified that Gonzales had
    planned in advance to say that he believed the officers were
    Bassett members.
    Gonzales sought to counter the prosecution’s evidence. He
    attempted to show that he reasonably could have believed the
    officers were gang members. He presented evidence of other
    gang-related violence in La Puente. He relied on the testi-
    mony of two officers with whom he spoke shortly after the
    20692                     GONZALEZ v. WONG
    shooting. Both officers testified that Gonzales told them he
    had believed the officers were Bassetts.3 To explain why it
    was reasonable for Gonzales to believe that the Bassetts
    would storm his house to kill him, Gonzales sought to estab-
    lish that he had been a former leader of the La Puente gang,
    rivals of the Bassetts.
    Gonzales testified in his own defense. His testimony was
    that he was inside the house when he heard the cars pull into
    the driveway. He went to the window but did not recognize
    the men. He testified that he focused on a Latino male who
    he said was the front seat passenger in one of the cars. He
    stated that he believed that the men were Bassetts. He denied
    seeing badges or hearing the announcements.
    While Gonzales denied knowingly killing a police officer,
    his testimony about the shooting was inconsistent with the
    facts as described by all of the officers who testified. Among
    the many inconsistencies was that he insisted that Esquivel,
    the only Latino officer, was sitting in the front passenger seat.
    3
    Deputy Mace testified that while en route to the hospital, Gonzales said
    that he had believed that the men trying to enter his home were members
    of the Bassett gang and that he did not know they were police officers
    until he had been shot. The testimony of Sergeant Verdugo, who investi-
    gated the murder with his partner Sergeant Overlease, was somewhat less
    clear. Verdugo testified about what Gonzales said during an interview at
    the hospital early the following morning. Gonzales described the incident
    as a “freak accident.” He initially stated that he was watering the lawn
    until he saw the “cops coming” and ran into the house. The record is
    unclear whether Gonzales recognized the men as “cops” when he saw
    them approaching the house, or whether his description of them as cops
    to Verdugo was based on his learning by the time of the interview that the
    men were police. The record is also unclear on what was said next.
    Verdugo testified at trial that Gonzales stated that he was confused.
    According to Verdugo’s report of the conversation, Gonzales said that the
    officers were confused. It is undisputed that Gonzales then stated that he
    had been watering the lawn, but was inside with his infant son when he
    heard the cars arrive. He heard pounding and yelling at the door, but could
    not hear what was said. Gonzales reiterated to Verdugo that he believed
    the men were Bassett members.
    GONZALEZ v. WONG                    20693
    All of the officers stated that Esquivel was driving one of the
    cars. Gonzales also denied that the cars he saw were the ones
    the officers had identified as their vehicles.
    The defense also sought to counter Acker’s testimony.
    Gonzales testified that he had never admitted to Acker that he
    knew the men were police officers. James Nobel, a prisoner
    who was housed in the cell between Acker and Gonzales, tes-
    tified that he never saw Gonzales speak with Acker. Nobel
    also testified that Gonzales had asked him to read aloud the
    police reports of the incidents because Gonzales was illiterate.
    Both Gonzales and Nobel said that Acker could have over-
    heard Nobel reading the police reports, which the defense
    argued explained how Acker knew specific facts about the
    shooting.
    The defense also sought to impeach Acker. During cross
    examination, Acker admitted that he had previously pled
    guilty to a charge of murder and that he had provided evi-
    dence against his own wife concerning that murder. He denied
    being a police informant or giving information in other cases.
    He testified that he hoped giving the information would help
    him get transferred to an out-of-state prison because he
    believed he would be killed by gangs if he remained in Cali-
    fornia. He insisted, though, that he was testifying because “it
    was a step in the right direction” and would help him get bal-
    ance in his life. Acker admitted that he could lie if he wanted
    to, but insisted that he was not lying about Gonzales’s state-
    ments.
    Gonzales was convicted of first degree murder and the spe-
    cial circumstance of killing a police officer engaged in the
    lawful pursuit of his duties. The case then moved to the pen-
    alty phase. The state sought the death penalty. The first pen-
    alty phase trial resulted in a hung jury. The penalty phase was
    retried before a different jury.
    20694                     GONZALEZ v. WONG
    The state’s penalty phase case was aimed at establishing
    aggravating factors that would outweigh any mitigating fac-
    tors offered by Gonzales.4 The primary aggravating factor
    offered by the state was the aggravated nature of the killing,
    which the state sought to establish by proving that Gonzales
    was aware of the police raid and had planned out the killing
    of the officer, including his Bassett excuse. The focal point of
    the state’s case during the penalty phase was Acker’s testi-
    mony that Gonzales had confessed to Acker all the key facts
    that the state argued made Gonzales’s crime worthy of the
    death penalty.
    During the penalty phase, the defense continued to main-
    tain that Gonzales had believed the officers were gang mem-
    bers. However, faced with an existing guilty verdict on the
    charge of premeditated murder, the defense argued in the
    alternative that Gonzales did not know about the raid in
    advance and that therefore the crime was not so heinous and
    did not warrant the death penalty. For example, evidence was
    presented that Gonzales had gone to work that day and had
    not been waiting around for the officers. Gonzales did not tes-
    tify again during the penalty phase, and no character evidence
    was presented on his behalf. The second penalty phase jury
    imposed the death penalty. The trial judge denied a motion for
    a retrial and a motion to modify the sentence.
    Gonzales appealed his conviction and brought a petition for
    post-conviction relief to the California Supreme Court. The
    court considered both the appeal and the habeas petition at the
    same time. Gonzales’s habeas petition claimed, among other
    4
    Under the 1978 California death penalty statute, in effect at the time
    of Gonzales’s crime and applied at his trial, the guilt phase jury first had
    to find the defendant guilty of first degree murder and one of the enumer-
    ated special circumstances. If that requirement was met, the penalty phase
    jury was instructed to consider aggravating and mitigating circumstances
    and to impose the death penalty if it concluded that the aggravating cir-
    cumstances outweighed the mitigating circumstances. See 
    Cal. Penal Code § 190.3
     (1978).
    GONZALEZ v. WONG                          20695
    things, ineffective assistance of counsel based on his trial
    counsel’s failure to investigate and present positive character
    evidence. The California Supreme Court appointed a referee,
    a Superior Court judge, to review evidence and make factual
    findings as to what character evidence could have been
    uncovered by Gonzales’s counsel and what evidence the pros-
    ecution may have presented in rebuttal.
    At the referee hearing, Gonzales’s trial counsel, Ralph
    Bencagey, testified about his investigation. He testified that
    he conducted it on his own and that he interviewed people
    from the neighborhood. He did not conduct an investigation
    into Gonzales’s health or school records and did not have
    Gonzales tested for mental health impairments.
    Gonzales also presented character witnesses at the referee
    hearing who testified that Gonzales was a kind individual who
    had a loving and caring relationship with his children as well
    as other children. Some also testified that he was a “slow”
    child and had never learned to read. However, several of these
    witnesses had limited interactions with Gonzales, and none
    were aware of his involvement with gangs. Two of the wit-
    nesses also described the tragic death of Gonzales’s twin sis-
    ters in a train accident and the subsequent impact the tragedy
    had on Gonzales and his family. The referee made factual
    findings and filed a report with the California Supreme Court.
    While Gonzales’s case was pending before the California
    Supreme Court, a scandal erupted regarding false testimony
    by jailhouse informants in Los Angeles. Leslie White, a jail-
    house informant, revealed that he and other informants in the
    Los Angeles County jail had fabricated confessions during the
    period from 1979 through 1988.5 An investigation into the use
    5
    Our court recently dealt with a case involving another informant from
    this period. See Maxwell v. Roe, 
    628 F.3d 486
     (9th Cir. 2010). Our col-
    league, Judge Stephen Trott, who previously served as a Los Angeles
    Assistant District Attorney, has written and lectured extensively about the
    problems inherent in prosecutors’ use of jailhouse informants. See Stephen
    S. Trott, Words of Warning for Prosecutors Using Criminals as Witnesses,
    
    47 Hastings L.J. 1381
    , 1394 (1996).
    20696                  GONZALEZ v. WONG
    of jailhouse informants by prosecutors found significant prob-
    lems. While Acker was never officially identified as a jail-
    house informant during the investigation, the revelations of
    how jailhouse informants had fabricated confessions led Gon-
    zales’s lawyers to seek additional discovery regarding Acker.
    Gonzales filed discovery motions which were heard by the
    judge who had presided over his trial. The trial court granted
    the request for further discovery, but the State sought a writ
    of mandamus from the California Supreme Court to overturn
    the discovery order. That issue was consolidated with Gon-
    zales’s habeas petition and direct appeal.
    The California Supreme Court upheld Gonzales’s convic-
    tion and death sentence and rejected his claims for habeas
    relief. Gonzalez, 
    800 P.2d 1159
    . On the discovery issue, the
    court held that the trial court could not authorize the discovery
    sought by Gonzales because it no longer had jurisdiction over
    the case. It also declined to grant the discovery requests under
    its direct appeal or habeas jurisdiction. 
    Id. at 1256-61
    . The
    court stated, though, that “we expect and assume that if the
    People’s lawyers have such information in this or any other
    case, they will disclose it promptly and fully.” 
    Id. at 1261
    . No
    such information was voluntarily disclosed to Gonzales.
    Gonzales filed a petition for habeas corpus in federal court.
    The district court denied Gonzales’s request for an evidentiary
    hearing on most of the claims, but it granted discovery on the
    claim that Gonzales’s trial counsel failed to investigate and
    the state failed to disclose evidence that Acker was a govern-
    ment agent. This discovery did not unearth evidence that
    Acker was a government agent, but it did uncover impeach-
    ment evidence about Acker that had not been provided to the
    defense prior to the trial. Specifically, the state turned over six
    psychological reports prepared by prison psychologists on
    Acker while he had been incarcerated in California prisons
    between 1972 and 1979. These reports, discussed in more
    detail below, indicated that Acker had a severe personality
    disorder, was mentally unstable, possibly schizophrenic, and
    GONZALEZ v. WONG                          20697
    had repeatedly lied and faked attempting suicide in order to
    obtain transfers to other facilities.
    Based on this new evidence Gonzales moved for reconsid-
    eration of the denial of an evidentiary hearing on his ineffec-
    tive assistance of counsel and Brady claims. The district court
    denied the request, holding that while the newly discovered
    evidence “strengthened some of the elements” of these
    claims, it did not establish materiality. The court subsequently
    denied Gonzales’s other claims.
    Gonzales sought and received a certificate of appealability
    from the district court under 
    28 U.S.C. § 22536
     and brought
    this appeal.
    II.   Discussion
    The provisions of AEDPA apply to Gonzales’s petition
    because it was filed on September 20, 1996, after AEDPA’s
    effective date. Under AEDPA, a federal court may not grant
    the writ based on any claim that was adjudicated on the merits
    by a state court unless the state court decision “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 . . . 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). The district court’s
    denial of a petition for a writ of habeas corpus is reviewed de
    novo. Lambert v. Blodgett, 
    393 F.3d 943
    , 964 (9th Cir. 2004).
    6
    Gonzales failed to request a certificate of appealability on his claim of
    ineffective assistance of counsel based on the failure to investigate and
    present character evidence during the penalty phase. Gonzales claims to
    have inadvertently omitted this claim from his request and has asked this
    panel to grant one for it. Because the claim substantially overlaps with
    another claim which was certified, we conclude that the failure to request
    certification was an inadvertent mistake and grant the request for a certifi-
    cate of appealability on this claim.
    20698                      GONZALEZ v. WONG
    Gonzales has raised numerous claims in his habeas petition,
    some of which relate to the guilt phase, some to the penalty
    phase, and some to both. We begin by addressing his Brady
    claim, which he asserts as to both phases. It is the only claim
    on which we remand this case to the district court. We then
    address his other claims, which we conclude are not meritori-
    ous.
    A.        Brady Claim7
    1.    Procedural History
    Gonzales’s state habeas petition raised a Brady claim based
    on allegations that the state failed to turn over evidence about
    Acker’s criminal history. His argument was based on an inac-
    curate criminal history printout given to Gonzales’s counsel.
    It showed Acker was serving a sentence of life without parole,
    when in fact he was sentenced to life with the possibility of
    7
    Gonzales has also raised an ineffective assistance of counsel claim
    based on his counsel’s failure to discover the impeachment evidence. The
    analysis of materiality for ineffective assistance of counsel is the same as
    the analysis of prejudice for Brady, see United States v. Bagley, 
    473 U.S. 667
    , 682 (1985), so our Brady prejudice analysis applies directly to this
    ineffective assistance of counsel claim. The district court rejected this
    ineffective assistance claim on the same ground that it rejected the Brady
    claim: the additional evidence was not material under Brady or prejudicial
    under Strickland. It is not clear to us that this ineffective assistance claim
    adds anything to Gonzales’s Brady claim, but out of caution we resolve
    this ineffective assistance claim in the same way as the Brady claim. It is
    remanded to the district court with the same instruction to stay and abey,
    in order to give the state court the first opportunity to resolve the claim
    in light of the late-disclosed materials. In order to avoid confusion with the
    other ineffective assistance claims asserted by Gonzales, as to which we
    affirm the district court’s dismissal, we will not separately discuss this
    ineffective assistance claim in this decision and will treat it as included
    within our discussion of the Brady claim.
    By this action, we do not suggest any determination by us with regard
    to whether counsel’s performance was so unprofessional as to satisfy the
    other prong under Strickland. In order to give the state court a fair oppor-
    tunity to consider the issue, we will not take it up ourselves now.
    GONZALEZ v. WONG                    20699
    parole. The criminal history also omitted several burglary
    convictions. Gonzales argued that the state’s failure to correct
    these errors constituted a Brady violation. In addition, Gon-
    zales argued that the state failed to inform him that Acker was
    providing information to the police in other criminal cases.
    The California Supreme Court rejected this claim, concluding
    that there was no prejudice because “these additional details
    do not paint a significantly different picture of Acker’s char-
    acter and motives than appears on the record.” Gonzalez, 
    800 P.2d at 1193
    .
    As noted above, Gonzales sought additional discovery
    about Acker from the state during the pendency of his state
    appeal. The state trial court granted Gonzales this discovery,
    but the California Supreme Court overturned the discovery
    order. This effectively ended Gonzales’s ability to pursue
    additional Brady claims in state court.
    Gonzales’s initial federal habeas petition raised a Brady
    claim based on the same withheld evidence that was the sub-
    ject of his state petition. The district court held that Gonzales
    suffered no prejudice from the withholding of the material
    and denied the request for an evidentiary hearing. When addi-
    tional suppressed evidence was uncovered, Gonzales twice
    moved for re-consideration of his Brady claim. The district
    court twice denied the request, concluding that while the
    newly discovered evidence “strengthened some of the ele-
    ments” of these claims, it did not establish materiality. The
    court based its conclusion on its belief that Acker was ade-
    quately impeached and his testimony was corroborated by
    other evidence. Notably, the district court concluded that “[a]t
    the guilt phase, and to a lesser degree at the penalty phase,
    this was not a case where it is likely the jury had to believe
    Acker’s testimony in order to believe the prosecution’s theo-
    ry.”
    20700                     GONZALEZ v. WONG
    2.    Cullen v. Pinholster
    After we heard oral arguments in this case, the Supreme
    Court filed its decision in Cullen v. Pinholster, 
    131 S. Ct. 1388
     (2011).8 We ordered and received supplemental briefs
    from the parties regarding the impact of that decision. Two
    elements of Pinholster are of particular importance for the
    case before us.
    [1] First, Pinholster specifically held that “review under
    § 2254(d)(1) is limited to the record that was before the state
    court that adjudicated the claim on the merits.” Pinholster,
    
    131 S. Ct. at 1398
    .
    [2] Second, in announcing that holding, Pinholster empha-
    sized that, under AEDPA, the state courts are to bear primary
    responsibility for adjudicating habeas claims brought by state
    prisoners. In the Court’s words, AEDPA “demonstrate[d]
    Congress’ intent to channel prisoners’ claims first to the state
    courts. . . . ‘The federal habeas scheme leaves primary respon-
    sibility with the state courts.’ ” 
    Id. at 1398-99
    , (quoting
    Woodford v. Visciotti, 
    537 U.S. 19
    , 27 (2002) (per curiam)).
    The Acker psychological reports were not part of the record
    when the California Supreme Court rendered its decision
    because they were not obtained by Gonzales until later, while
    8
    Recently we followed Pinholster in denying a habeas petitioner’s
    request for an evidentiary hearing relating to an ineffective assistance of
    counsel claim involving new evidence not presented to the state court. See
    Stokley v. Ryan, ___ F.3d ___, 
    2011 WL 4436268
     (9th Cir. Sep. 26, 2011).
    We concluded that we did not have to determine whether Pinholster
    applied in that case, however, because the petitioner’s claim failed either
    way. 
    Id. at *4
    . The present case poses a different situation, however, as
    the only relief sought by the petitioner in Stokley was for an evidentiary
    hearing. 
    Id. at *6
    . Further, we found that the petitioner in Stokley did not
    present a colorable ineffective assistance of counsel claim, 
    id. at *6-11
    ,
    whereas the new evidence of psychological reports presented by Gonzales
    could make a colorable Brady claim.
    GONZALEZ v. WONG                    20701
    he was pursing his federal habeas petition in district court. A
    Brady claim was made before the state court, but it was nar-
    rower because Gonzales was not aware at the time of the psy-
    chological reports that had been withheld. As we discuss in
    detail below, we have concluded that the Acker psychological
    reports might have been helpful to Gonzales’s defense. Before
    discussing those reports, however, it is necessary to determine
    what consideration, if any, we can properly give to them in
    light of Pinholster.
    Gonzales argues that Pinholster’s limitation of our review
    to the record before the state court does not apply to his Brady
    claim based on the psychological reports because it is a “new
    claim,” not decided on the merits by the California Supreme
    Court. In Pinholster the Court referenced but declined to draw
    the dividing line between a “new claim” and a claim decided
    on the merits by the state court and subject to review under
    § 2254(d). Justice Sotomayor’s dissent in Pinholster ques-
    tioned how the Court’s holding would apply to a hypothetical
    situation somewhat similar to the one before us: a petitioner
    who diligently pursued a Brady claim in state court is denied
    relief on the grounds that the withheld evidence presented in
    the Brady claim was not material, but subsequently is able to
    force production of additional undisclosed exculpatory evi-
    dence. Pinholster, 
    131 S. Ct. at 1417-18
     (Sotomayor, J., dis-
    senting). The majority opinion written by Justice Thomas
    responded to Justice Sotomayor’s concern by noting that “Jus-
    tice Sotomayor’s hypothetical involving new evidence of
    withheld exculpatory witness statements may well present a
    new claim,” but stated that it did “not decide where to draw
    the line between new claims and claims adjudicated on the
    merits.” 
    Id.
     at 1401 n.10 (internal citation omitted).
    [3] Under the circumstances, we conclude that Pinholster
    applies here and prevents us from considering the new evi-
    dence in reviewing Gonzales’s Brady claim under § 2254(d).
    Gonzales raised and the state court explicitly rejected a Brady
    claim regarding information about Acker. Moreover, the sug-
    20702                 GONZALEZ v. WONG
    gestion that Gonzales has presented a “new claim” inherently
    invites questions regarding exhaustion. In light of Pinholster’s
    emphasis on the primary responsibility of the state court, we
    conclude that the new evidence needs to be presented to the
    state court before it can be considered by us on habeas review
    of the state court’s decision.
    That does not mean that we can or should disregard the
    new evidence, however. We cannot fault Gonzales for a lack
    of diligence with respect to the withheld reports. Responsibil-
    ity for the late appearance of those documents lies with the
    state. Despite discovery requests by Gonzales’s trial counsel
    and the inherent obligation of the prosecutor to turn over
    exculpatory material, these reports were withheld. Gonzales
    made further discovery requests while pursuing post-
    conviction relief in state court, but the California Supreme
    Court granted the State’s request to set aside the trial court’s
    order permitting the discovery. That court did so while
    expressing its expectation that prosecutors would voluntarily
    and promptly turn over any such evidence, but that expecta-
    tion was not fulfilled. For us simply to ignore the materials
    that did not emerge until the federal habeas proceedings
    would be to reward the prosecutor for withholding them.
    [4] As discussed below, we conclude that if the new evi-
    dence were considered, Gonzales could make a colorable or
    potentially meritorious Brady claim, meaning that a reason-
    able state court could conclude that the withholding of the
    psychological reports constituted a Brady violation at the guilt
    phase, the penalty phase, or both. Because the claim is not
    clearly meritless, we do not believe dismissal of Gonzales’s
    Brady claim is the appropriate result.
    [5] We conclude that the appropriate course for us at this
    point is to remand to the district court with instructions that
    it stay and abey the habeas proceedings to allow Gonzales to
    present to state court his Brady claim including the
    subsequently-disclosed materials. In effect, we follow the
    GONZALEZ v. WONG                       20703
    suggestion offered by Justice Breyer in his concurring opinion
    in Pinholster that a petitioner “can always return to state court
    presenting new evidence not previously presented. If the state
    court again denies relief, he might be able to return to federal
    court to make claims related to the latest rejection.” See Pin-
    holster, 
    131 S. Ct. at 1412
     (Breyer, J., concurring).9
    The stay and abey process is the same process that may be
    employed when a petitioner files a petition containing unex-
    hausted claims. In Rhines v. Weber, 
    544 U.S. 269
    , 278 (2005),
    the Court instructed that “if the petitioner had good cause for
    his failure to exhaust, his unexhausted claims are potentially
    meritorious, and there is no indication that the petitioner
    engaged in intentionally dilatory litigation tactics . . . the dis-
    trict court should stay, rather than dismiss” the petition. Here,
    Gonzales had good cause for not presenting the new evidence
    to the state court, has not engaged in intentional dilatory liti-
    gation tactics, and, as is explained below, has a potentially
    meritorious claim.
    This course provides the state court with the first opportu-
    nity to resolve this claim. It also protects Gonzales’s interest
    in obtaining federal review of his claim. As in the case of
    unexhausted claims that meet the Rhines requirements, Gon-
    zales’s “interest in obtaining federal review of his claims out-
    weighs the competing interests in finality and speedy
    resolution of federal petitions.” 
    Id.
     Once the state court has
    spoken on this claim, Gonzales may, if necessary, return to
    district court and reactivate the federal proceedings.
    We now turn to a discussion of the new materials. Our dis-
    cussion below is only to demonstrate why we conclude that
    Gonzales has a colorable or potentially meritorious Brady
    claim such that a reasonable state court could find a Brady
    9
    The separate opinion of Judge O’Scannlain, dissenting in part, dis-
    agrees with this portion of our decision in this case. The majority’s
    response to the partial dissent appears below, at 20734-36.
    20704                  GONZALEZ v. WONG
    violation. We do not decide whether there was a Brady viola-
    tion. That determination is for the California Supreme Court
    to make in the first instance.
    3.    A Potentially Meritorious Brady Claim
    “The prosecution’s affirmative duty to disclose evidence
    favorable to a defendant can trace its origins to early 20th-
    century strictures against misrepresentation” by prosecutors.
    Kyles v. Whitley, 
    514 U.S. 419
    , 432 (1995). As the Supreme
    Court recognized in 1935, a prosecutor is “the representative
    not of an ordinary party to a controversy, but of a sovereignty
    . . . whose interest, therefore, in a criminal prosecution is not
    that it shall win a case, but that justice shall be done.” Berger
    v. United States, 
    295 U.S. 78
    , 88 (1935). In subsequent deci-
    sions, most notably Brady, the Court has consistently “under-
    scored the ‘special role played by the American prosecutor in
    the search for truth in criminal trials.’ ” Banks v. Dretke, 
    540 U.S. 668
    , 696 (2004) (quoting Strickler v. Greene, 
    527 U.S. 263
    , 281 (1999)).
    The Supreme Court has also repeatedly reaffirmed that
    Brady is one of the central bulwarks against injustice in our
    criminal justice system. The Court has stressed the central
    premise of Brady; even though an individual prosecutor may
    win a conviction, society as a whole loses when that convic-
    tion is wrong. Our system, therefore, places a “duty [on prose-
    cutors] to refrain from improper methods calculated to
    produce a wrongful conviction.” Cone v. Bell, ___ U.S. ___,
    
    129 S. Ct. 1769
    , 1782 (2009) (quoting Berger, 
    295 U.S. at 88
    ). Principal among a prosecutor’s duties is to provide a
    defendant with all material exculpatory and impeachment evi-
    dence prior to trial. This obligation recognizes the significant
    advantage the state has over an individual defendant in
    regards to gathering information and seeks to level the play-
    ing field. We expect our government to fight fair and not deny
    a defendant evidence that could exculpate him or ameliorate
    the penalty he faces. Only by giving a defendant this evidence
    GONZALEZ v. WONG                    20705
    can the government ensure that “justice is done its citizens in
    the courts.” Brady, 
    373 U.S. at 87
    .
    The elements of a claim for a Brady violation are that
    “[t]he evidence at issue must be favorable to the accused,
    either because it is exculpatory, or because it is impeaching;
    that evidence must have been suppressed by the State, either
    willfully or inadvertently; and prejudice must have ensued.”
    Strickler, 
    527 U.S. at 281-82
    . The state does not appear to
    contest the first two elements, so we discuss these only briefly
    before turning to the issue of materiality, which the state does
    contest.
    a.   Favorable to the Accused
    In United States v. Bagley, the Supreme Court recognized
    that “[i]mpeachment evidence . . . as well as exculpatory evi-
    dence, falls within the Brady rule,” because it is “favorable to
    an accused.” 
    473 U.S. 667
    , 676 (1985). There is a colorable
    argument that the psychological reports could have been used
    to impeach Acker. Impeaching Acker was important for Gon-
    zales’s defense in both phases. Gonzales can, therefore, make
    a colorable argument that the withheld evidence was favor-
    able to him.
    b.   Evidence was Suppressed
    Gonzales can also make a colorable argument that the evi-
    dence was suppressed. Brady does not require a showing that
    the state willfully or intentionally suppressed the evidence;
    even inadvertent suppression will satisfy this prong of the test.
    See Brady, 
    373 U.S. at 87
     (suppression of evidence by prose-
    cution violates due process “irrespective of the good faith or
    bad faith of the prosecution”). The psychological reports were
    in the possession of the prosecutor’s office prior to the trial.
    Even if they had not been, a prosecutor has a duty under
    Brady to “learn of any exculpatory evidence known to others
    acting on the government’s behalf.” Carriger v. Stewart, 132
    20706                     GONZALEZ v. WONG
    F.3d 463, 479-80 (9th Cir. 1997) (en banc) (prosecutor vio-
    lated Brady when he did not turn over witness’s prison
    records); see also Strickler, 
    527 U.S. at
    275 n.12.
    c.   Materiality
    Suppressed evidence is material if “the favorable evidence
    could reasonably be taken to put the whole case in such a dif-
    ferent light as to undermine confidence in the verdict.” Kyles,
    
    514 U.S. at 435
    . In other words, the petitioner does not need
    to prove that a different result would have occurred, just that
    there is “a reasonable probability of a different result.” 
    Id. at 434
     (internal quotation marks omitted). “The question is not
    whether the defendant would more likely than not have
    received a different verdict with the evidence, but whether in
    its absence he received a fair trial, understood as a trial result-
    ing in a verdict worthy of confidence.” 
    Id.
     We conclude that
    a reasonable state court could conclude that there was a rea-
    sonable probability of a different result if the information con-
    tained in the psychological reports had been available to the
    defense and presented to the juries.
    We reach this conclusion by undertaking a two-step
    inquiry. First, we ask whether a reasonable state court could
    conclude that there was a reasonable probability that the new
    evidence would have changed the way in which the jurors
    viewed Acker’s testimony. We determine that a state court
    could so conclude. We then ask whether a reasonable state
    court could conclude that there was a reasonable probability
    that this change would have resulted in a different verdict dur-
    ing either or both phases. We conclude that given Acker’s
    role in both phases, there is a potentially meritorious claim
    that there was a reasonable probability of a different verdict
    at one or both phases.10
    10
    We recognize that it was probably true, as the district court suggested,
    that Acker’s testimony held greater importance in the penalty phase than
    in the guilt phase. We need not decide here whether the evidence was
    actually material in one or both of the trials, as that conclusion should be
    made in the first instance by the state court.
    GONZALEZ v. WONG                   20707
    i.   Jurors’ view of Acker
    [6] Our inquiry into how the jurors viewed Acker is pri-
    marily focused on how the withheld evidence could have pro-
    vided additional or alternative means of impeachment. There
    is a colorable argument that a factfinder would have found the
    information about Acker contained in these reports disturbing,
    and that it would have been difficult for anyone, let alone a
    reasonable factfinder, to trust the witness described in these
    reports. The reports were prepared by psychologists employed
    by the State. They characterized Acker as predatory, manipu-
    lative, and unscrupulous, and they detailed his past lies and
    manipulations. See Benn v. Lambert, 
    283 F.3d 1040
    , 1055
    (9th Cir. 2002) (evidence that witness “had regularly lied” and
    “was untrustworthy and deceptive” would have “severely
    undermined his credibility.”).
    Perhaps the most severe examples of Acker’s manipulative
    and deceptive behavior were the three occasions when he
    faked committing suicide in order to obtain prison transfers or
    otherwise influence his placement within the prison system. A
    1972 Psychiatric Evaluation reported that Acker admitted that
    he had faked suicide at the Norwalk Receiving Center in order
    to be placed in the hospital, from which it would be easier to
    escape. A 1973 Psychiatric Evaluation reported an attempted
    hanging, which Acker stated “was only a gesture designed to
    prevent his egress from CMC East,” the hospital in which he
    had been placed. Finally, a 1974 report described another fake
    suicide attempt in April or May of 1974, which Acker said he
    faked because “he wanted out” of the facility.
    Beyond the fake suicide attempts, the reports specifically
    described Acker’s other manipulative behavior. One of the
    psychiatrists reported that Acker asked, “how much money
    would it take to give me a good report.’ ” Another psychiatrist
    described Acker as “the type of an individual who was con-
    stantly testing me.” The 1979 diagnostic study prepared for
    Acker’s sentencing for his murder conviction concluded that
    20708                    GONZALEZ v. WONG
    he was “intelligent, manipulative, unscrupulous” and “capable
    of any measure of brutality in the service of achieving what
    he wants to do.”
    In addition to showing Acker to have a history of lying and
    manipulative behavior, the reports could be viewed to cast
    significant doubt on what Acker stated was his primary moti-
    vation for testifying against Gonzales. Acker repeatedly said
    that he was testifying because of a desire to turn his life
    around and do the right thing. The psychological reports
    showed that Acker had previously lied about reforming his
    life. The psychological report from 1972 stated that Acker
    told the psychologist he had turned his life around because he
    had “undergone a religious experience.” After making these
    statements and being released from prison, he committed first
    degree murder and numerous robberies.11 A subsequent social
    evaluation of Acker noted that he had been “offered therapy
    in the past and has used it as a tool to get out of prison early
    and has not attempted to use it as a tool to change his own
    behavior.”
    A reasonable state court could conclude that these prior
    statements would have enabled Gonzales to show that Acker’s
    professed reason for testifying was false. A court could also
    conclude that Gonzales would have then been able to focus
    the jurors on Acker’s “continuing interest in obtaining [the
    state’s] favor” and that as a result “they might well have dis-
    trusted [Acker’s] testimony, and insofar as it was uncorrobo-
    rated, disregarded it.” Banks, 
    540 U.S. at 701
    ; see also On Lee
    v. United States, 
    343 U.S. 747
    , 757 (1952) (noting that testi-
    mony from witness receiving benefits from government “may
    raise serious questions of credibility”).
    [7] The reports also indicated that Acker had schizophre-
    11
    The reports would also have shown that Acker was in fact a career
    criminal who first interacted with the law at age 8, and since the age of
    14 had spent all but fourteen months incarcerated.
    GONZALEZ v. WONG                   20709
    nia, which a reasonable state court could determine would
    have raised serious questions in the factfinder’s mind about
    Acker’s competency to perceive accurately and testify truth-
    fully. As early as 1974, Acker was diagnosed with
    “[s]chizophrenia, chronic, undifferentiated type.” In 1975, he
    was diagnosed with “[s]chizophrenia, residual type.” A 1977
    report noted that Acker was “mentally unstable” and had “a
    severe personality disorder, and he has previously been diag-
    nosed as schizophrenic.” Courts have long recognized the
    impeachment value of evidence that a government witness has
    a “severe illness, such as schizophrenia, that dramatically
    impaired [his] ability to perceive and tell the truth.” United
    States v. Butt, 
    955 F.2d 77
    , 82-83 (1st Cir. 1992) (“For over
    forty years, federal courts have permitted the impeachment of
    government witnesses based on their mental condition at the
    time of the events testified to.”). A reasonable state court
    could conclude that an assessment that Acker had not only
    lied in the past but had a mental condition that made him
    prone to lying could have affected the jury’s evaluation of his
    credibility.
    Finally, a state court could conclude that the psychiatric
    reports would have provided an opportunity to impeach Acker
    by showing that the state’s own expert employees had repeat-
    edly expressed doubts about Acker’s credibility, truthfulness,
    and competency. See Silva v. Brown, 
    416 F.3d 980
    , 988 (9th
    Cir. 2005) (requirement witness not have psychological evalu-
    ation was evidence of “potentially devastating fact that the
    state itself doubted [the witness’s] mental competency”);
    Benn, 
    283 F.3d at 1055
     (evidence that police doubted veracity
    of informant because of past lies was material Brady evi-
    dence).
    The state argues, and the district court concluded, that
    regardless of the impeachment value of this evidence, it was
    nevertheless not material because Acker was already suffi-
    ciently impeached. Defense counsel did present some
    impeachment evidence, but courts have repeatedly held that
    20710                  GONZALEZ v. WONG
    withheld impeachment evidence does not become immaterial
    merely because there is some other impeachment of the wit-
    ness at trial. Where the withheld evidence opens up new ave-
    nues for impeachment, it can be argued that it is still material.
    See Banks, 
    540 U.S. at 702
     (rejecting argument that since wit-
    ness was otherwise impeached withheld impeachment evi-
    dence was immaterial); United States v. Kohring, 
    637 F.3d 895
    , 905-06 (9th Cir. 2011) (even though witness was
    impeached on memory problems, evidence of alleged sexual
    misconduct and suborning perjury was not cumulative
    because it “would have added an entirely new dimension to
    the jury’s assessment of [the witness]” such that “ ‘there is a
    reasonable probability that the withheld evidence would have
    altered at least one juror’s assessment [of the evidence]’ ”
    (quoting United States v. Price, 
    566 F.3d 900
    , 914 (9th Cir.
    2009))); Horton v. Mayle, 
    408 F.3d 570
    , 580 (9th Cir. 2005)
    (“[T]hat the jury had other reasons to disbelieve [the witness]
    does not render the suppressed [impeachment evidence]
    immaterial.”); Benn, 
    283 F.3d at 1055
     (“The mere fact that a
    prosecution witness has a prior record, even when combined
    with other impeachment evidence that a defendant introduces,
    does not render otherwise critical impeachment evidence
    cumulative.”).
    While cumulative impeachment evidence might have been
    immaterial, a reasonable state court could determine that the
    psychology reports “ ‘provided the defense with a new and
    different ground of impeachment’ ” and as such were not
    cumulative. Silva, 
    416 F.3d at 989
     (quoting Benn, 
    283 F.3d at 1056
    .) In Silva, the court recognized that even though the wit-
    ness was impeached on his forthrightness, the withheld evi-
    dence, in that case a plea deal which prohibited the witness
    from undergoing a psychiatric evaluation prior to trial, was
    not cumulative because it related to his reliability. In Car-
    riger, the district court had ruled that an informant’s prison
    records, which described him as repeatedly lying, having a
    sociopathic personality, and being manipulative were immate-
    rial for Brady purposes because the jury was made aware of
    GONZALEZ v. WONG                    20711
    his burglary conviction and plea deal. 132 F.3d at 480-82.
    Recognizing that the withheld evidence opened a new avenue
    of impeachment, we reversed because “the government can-
    not satisfy its Brady obligation to disclose exculpatory evi-
    dence by making some evidence available and claiming the
    rest would be cumulative.” Id. at 481
    During both phases defense counsel did attempt to impeach
    Acker by his conviction for murder, his desire to be trans-
    ferred to an out-of-state prison, previous cases where Acker
    had testified about jailhouse confessions, and his statement
    that he could lie when he wanted to, although he denied doing
    so in this case. None of the evidence presented at trial actually
    demonstrated Acker had lied in the past or that he was known
    to be manipulative and deceptive. See Benn, 
    283 F.3d at 1055
    (evidence that informant had lied in the past was non-
    cumulative impeachment evidence). It is one thing for a wit-
    ness to admit that he could lie; everyone can lie. Evidence of
    Acker’s past lies, deception, and manipulation would have
    provided hard evidence, different from that already presented,
    to support Gonzales’s argument that Acker was lying.
    In addition, Gonzales has a colorable argument that the new
    evidence would have opened up other unexplored opportuni-
    ties for impeachment. A reasonable state court could deter-
    mine that none of the impeachment at trial touched on
    Acker’s competency to perceive and tell the truth, which rea-
    sonably could have been put at issue by evidence that Acker
    was schizophrenic. Similarly, there is a colorable argument
    that none of the impeachment evidence available to Gonzales
    at trial allowed him to cast doubt on Acker’s purported desire
    to turn his life around or demonstrate that the state had previ-
    ously expressed doubts about Acker’s veracity and compe-
    tency.
    Finally, Gonzales has a colorable argument that the jury
    believed Acker despite the impeachment evidence presented
    to them. This argument could rest in part on the fact that
    20712                  GONZALEZ v. WONG
    Acker was an important witness for the government, espe-
    cially during the penalty phase, and that “[i]n cases in which
    the witness is central to the prosecution’s case, the defen-
    dant’s conviction indicates that in all likelihood the impeach-
    ment evidence introduced at trial was insufficient to persuade
    a jury that the witness lacked credibility.” Benn, 
    283 F.3d at 1055
    .
    There is also documentary evidence that a reasonable state
    court could conclude supports the argument that the jury
    believed Acker. In a memo written after the first penalty
    phase trial resulted in a hung jury, the prosecutor stated that
    he spoke with the first penalty phase jurors and that most of
    them, including all of the women, found Acker’s testimony
    convincing. Acker’s testimony and defense counsel’s cross
    examination were essentially the same in all three trials.
    Given that the cited jurors in the first penalty trial found
    Acker credible, this memo could be viewed to provide some
    evidence that the jurors in the other trials did as well.
    [8] In light of the manner in which Acker was described in
    these reports and the potential new avenues of impeachment
    opened by these descriptions, we conclude that a reasonable
    state court could determine that a jury would have doubted
    Acker’s veracity, motive for testifying, and competency if
    presented with the evidence in the psychological reports.
    ii.   A Different Outcome
    [9] We next consider whether there is a colorable argument
    that there is a reasonable probability that the additional
    impeachment of Acker through the psychological reports
    would have led to a different outcome at either the guilt or
    penalty phase. We conclude that a reasonable state court
    could decide that Acker’s importance to the prosecution’s
    cases was significant enough that additional impeachment of
    him reasonably could have changed the outcome.
    GONZALEZ v. WONG                    20713
    [10] Acker’s testimony amounted to a confession by Gon-
    zales to first degree premeditated murder of a police officer,
    both the crime he was charged with and the facts the state
    argued warranted sentencing him to death. As the Supreme
    Court has noted “[a] confession is like no other evidence.
    Indeed, ‘the defendant’s own confession is probably the most
    probative and damaging evidence that can be admitted against
    him.’ ” Arizona v. Fulminante, 
    499 U.S. 279
    , 296 (1991)
    (quoting Bruton v. United States, 
    391 U.S. 123
    , 139-40 (1968)
    (White, J., dissenting)); see also Maxwell, 
    628 F.3d at 507-08
    (informant was “the ‘make-or-break witness’ ” and his testi-
    mony about defendant’s jailhouse confession was the “center-
    piece of the prosecution’s case”). While there was other
    circumstantial evidence, Acker’s testimony was the only
    direct evidence establishing that Gonzales had a premeditated
    plan to kill a police officer.
    In addition, a state court could conclude that the damage
    the suppressed impeachment evidence could cause was “best
    understood by taking the word of the prosecutor.” Kyles, 
    514 U.S. at 444
    . The prosecutor spent time during his summations
    discussing Acker’s testimony and countering the attempted
    impeachment of him, and a court could view this as further
    support for the proposition that Acker was central to the pros-
    ecution’s cases. See Horton, 
    408 F.3d at 580
     (“The prosecu-
    tor’s emphasis on the importance of [the witness’s] testimony
    bolsters the conclusion that disclosure of the [impeachment
    evidence] may have significantly damaged the prosecution’s
    case.”). There is also the memo written by the prosecutor after
    the hung jury in the first penalty trial, in which the prosecutor
    stated that his ability to retry the penalty phase depended on
    whether “Acker is available and is willing to testify.” A rea-
    sonable state court could view the prosecutor’s arguments and
    memo as evidence that Acker was important to the prosecu-
    tion’s case, especially in the context of the penalty phase.
    [11] We do not decide here that the new evidence would
    have resulted in a different outcome in either phase. It is pos-
    20714                      GONZALEZ v. WONG
    sible that even without this new evidence the jury did not
    believe Acker. It is also conceivable that, based on the other
    evidence presented to it, the jury could have concluded that
    Gonzales was guilty and deserved the death penalty. How-
    ever, in order to establish a Brady violation, Gonzales would
    only have to show a “reasonable probability” that the outcome
    would have been different. Given the nature of Acker’s testi-
    mony, a reasonable state court could conclude that Acker’s
    testimony “was the glue that held the prosecution’s case
    together,” Horton, 
    408 F.3d at 579
    , and that there is a reason-
    able probability that further impeachment of Acker could
    have resulted in a different outcome.
    4.    Remand to District Court
    [12] Based on the above analysis, we conclude that Gon-
    zales could make a potentially meritorious or colorable Brady
    claim based on the psychological reports. In order to allow the
    state court to consider this Brady claim and to ensure Gon-
    zales can seek federal review of the claim if necessary, we
    remand the case as to this claim to the district court with
    instructions to stay and abey the case pending review of this
    claim by the California Supreme Court.12
    12
    While Gonzales’s Brady argument before this court focuses mostly on
    the Acker psychological reports, he also argues that the California
    Supreme Court erred by denying relief based solely on the evidence that
    Gonzales knew about and cited in his argument to that court, such that it
    is appropriate for us to grant habeas relief to him at this time. We disagree.
    Applying the AEDPA standard, we conclude that the determination of the
    California Supreme Court that there was no prejudice, based on the mate-
    rial known to it at the time of its decision, was not unreasonable. Gon-
    zales’s counsel was able to present evidence that Acker had committed
    murder and robbery in the past. The fact that he had committed several
    more robberies would not have painted a significantly different picture.
    Additionally, even though the criminal history printout indicated that
    Acker was not eligible for parole, Gonzales’s counsel still questioned
    Acker on whether he hoped that his testimony would help him with the
    parole board. We do not resolve whether the cumulative effect of the
    materials alleged at the time of the state court decision to have been with-
    held and the later-disclosed materials was prejudicial. The California court
    may consider that question for itself.
    GONZALEZ v. WONG                         20715
    B.     Ineffective Assistance of Counsel: Character Evidence
    [13] As stated above, we are not persuaded by any of the
    other arguments presented by Gonzales. We start with several
    claims seeking relief based on ineffective assistance of coun-
    sel.
    Gonzales contends that he received ineffective assistance of
    counsel during both the guilt and penalty phase because his
    attorney failed to investigate or present any character evi-
    dence during either phase. In order to establish ineffective
    assistance of counsel, a petitioner must prove both deficient
    performance by his counsel and prejudice caused by the defi-
    ciency. To demonstrate deficient performance Gonzales must
    show that counsel’s performance “fell below an objective
    standard of reasonableness” based on “the facts of the particu-
    lar case [and] viewed as of the time of counsel’s conduct.”
    Strickland v. Washington, 
    466 U.S. 668
    , 688-90 (1984). In
    order to establish prejudice Gonzales “must show that there is
    a reasonable probability that, but for counsel’s unprofessional
    errors, the result of the proceeding would have been different.
    A reasonable probability is a probability sufficient to under-
    mine confidence in the outcome.” 
    Id. at 694
    . Because failure
    to meet either prong is fatal to Gonzales’s claim, there is no
    requirement that we “address both components of the inquiry
    if the defendant makes an insufficient showing on one.” 
    Id. at 697
    .
    The California Supreme Court rejected Gonzales’s claims
    of ineffective assistance of counsel for failure to present char-
    acter evidence. See Gonzalez, 
    800 P.2d at 1198-99
    .13 Under
    13
    The California Supreme Court only expressly ruled on this claim in
    regards to the penalty phase. However, “[w]here a state court’s decision
    is unaccompanied by an explanation, the habeas petitioner’s burden still
    must be met by showing there was no reasonable basis for the state court
    to deny relief.” Harrington v. Richter, ___ U.S. ___, 
    131 S. Ct. 770
    , 784
    (2011).
    20716                  GONZALEZ v. WONG
    AEDPA this conclusion is reviewed only to ensure it is not
    contrary to or an unreasonable application of federal law. In
    reviewing the California Supreme Court’s ruling we are
    guided by the Supreme Court’s instruction that when a peti-
    tioner raises a Strickland claim through a habeas petition gov-
    erned by the AEDPA, he must surmount two highly
    deferential standards. Harrington v. Richter, ___ U.S. ___,
    
    131 S. Ct. 770
    , 778 (2011) (“Federal habeas courts must
    guard against the danger of equating unreasonableness under
    Strickland with unreasonableness under § 2254(d).”). “[T]he
    question is not whether counsel’s actions were reasonable.
    The question is whether there is any reasonable argument that
    counsel satisfied Strickland’s deferential standard.” Id.
    1.    Guilt Phase
    To support his claim of ineffective assistance of counsel
    during the guilt phase Gonzales points to evidence presented
    during the referee hearing conducted at the request of the Cal-
    ifornia Supreme Court. At the hearing, witnesses testified that
    Gonzales was a loving father who cared about his children,
    was attentive to them, and was also caring towards other chil-
    dren. He argues that this evidence was relevant because the
    parties stipulated that Gonzales’s infant son and another child
    were in the house when the shooting occurred. Gonzales
    argues that the character evidence would have strengthened
    his defense that he was not aware of the raid and was not
    planning to kill an officer, because if he had been, he would
    have made sure the children were out of the house.
    [14] It was reasonable for the California Supreme Court to
    conclude that this claim was meritless because the failure to
    present this character evidence was not prejudicial. First, it is
    unlikely the witnesses Gonzales might have called would
    have been persuasive. Two of the witnesses, Dr. Furth and
    Mr. Clancy, had very limited contact with Gonzales. Dr. Furth
    admitted to basing her opinion on the few times that Gonzales
    had brought his children to her office for medical appoint-
    GONZALEZ v. WONG                   20717
    ments. Mr. Clancy was Gonzales’s middle school teacher and
    had seen him only a few times since then. The other wit-
    nesses, George Gonzales, Raymond de Jesus, Patricia
    Espinoza, and Maria Blanco, were either family or close
    friends, making their testimony suspect based on their close
    relationship with Gonzales and their admitted desire to help
    him avoid the death penalty.
    Most importantly, none of these witnesses were aware of
    Gonzales’s gang involvement. Gonzales’s professed fear of a
    raid by the Bassetts necessarily highlighted his significant
    gang involvement, which would have cast doubt on how well
    the proposed witnesses knew him and on their ability to ade-
    quately judge his character. Furthermore, the fact that all of
    these witnesses would testify that they were unaware of Gon-
    zales’s role as a gang leader could have undermined the
    defense argument that Gonzales feared attack by the Bassetts,
    giving defense counsel a strategic reason for not introducing
    this evidence.
    Second, even if the jury were to afford some credibility to
    these witnesses, there was evidence which was inconsistent
    with these witnesses’ descriptions of Gonzales. Gonzales had
    left an unsecured shotgun and shells in the same room as his
    infant son. Drug paraphernalia including syringes were also
    found lying around the house. The jury could have seen these
    facts and Gonzales’s self-described gang history as inconsis-
    tent with someone who was purportedly so concerned for the
    welfare of the children.
    Third, this character evidence would have provided limited
    support for the conclusion that Gonzales did not know about
    the raid in advance. According to Gonzales, this evidence
    demonstrated that if he knew about the raid in advance and
    was planning on killing a police officer, he would have
    ensured that the children were not in the home at all. But that
    assumed that Gonzales was aware of exactly when the police
    officers would arrive and knew when the children needed to
    20718                   GONZALEZ v. WONG
    be out of the house. The jury also could have thought that
    Gonzales merely did not think through his plan, or could have
    concluded that having the children in the house was part of
    Gonzales’s plan to make the shooting look like an accident.
    Finally, even if the jury did draw Gonzales’s desired infer-
    ence from this evidence and concluded based on the presence
    of the children that Gonzales did not have advance notice of
    the raid, the guilt phase jury could have convicted him even
    if they believed he did not have advance notice. The jury
    could also have found Gonzales guilty of first degree murder
    if they did not believe that Gonzales had advance notice, but
    did believe that he knew at the time of the shooting that the
    men were officers. If the jury convicted on this basis, the chil-
    dren being in the home would have been irrelevant.
    2.    Penalty Phase
    Gonzales raises a similar claim in the context of the penalty
    phase, arguing that the failure of his lawyer to investigate and
    present character and background evidence during the penalty
    phase constituted ineffective assistance of counsel. The Cali-
    fornia Supreme Court rejected the claim because it found
    there was a valid strategic reason for not presenting character
    evidence. Gonzalez, 
    800 P.2d at 1197-1201
    . Once again, Gon-
    zales must show that the California Supreme Court was
    unreasonable in reaching this conclusion. Gonzales cannot
    meet this requirement because he cannot show prejudice aris-
    ing from the failure to present this evidence. See Wong v. Bel-
    montes, ___ U.S. ___, 
    130 S. Ct. 383
    , 386 (2009) (prejudice
    requires a showing of “a reasonable probability that a compe-
    tent attorney, aware of the available mitigating evidence,
    would have introduced it at sentencing, and that had the jury
    been confronted with this mitigating evidence, there is a rea-
    sonable probability that it would have returned with a differ-
    ent sentence.”) (internal quotation marks and alterations
    omitted)).
    GONZALEZ v. WONG                    20719
    Gonzales points to two types of character evidence that he
    claims his attorney should have discovered and presented.
    The first type, already discussed in the context of the guilt
    phase, consisted of testimony by family, friends, neighbors,
    and a former teacher, all of whom described Gonzales as a
    kind person who was respectful of adults and caring towards
    children. However, as discussed above, this testimony was
    suspect because none of these witnesses were aware of Gon-
    zales’s drug and gang history. It is improbable that this evi-
    dence would have caused the jury to reach a different
    sentence.
    More importantly, introduction of this evidence would have
    opened the door to evidence about allegations that Gonzales
    was involved in a gang rape in 1972. Gonzales had been
    accused of being involved in a gang rape but ultimately only
    pled guilty to a charge of misdemeanor battery on the victim’s
    friend. Defense counsel was able to limit evidence of this
    incident during the penalty phase to a stipulation as to this
    conviction. Gonzales’s attorney testified at the referee hearing
    that he did not develop or introduce character evidence
    because he was worried about the prosecution introducing
    additional details about the incident. The referee and the Cali-
    fornia Supreme Court found that had Gonzales raised the
    issue of his character, the prosecution would have been able
    to present the facts underlying the battery conviction.
    While there was some evidence presented at the referee
    hearing that the rape victim would have denied that Gonzales
    had raped her, Gonzales still pled guilty to battery on the vic-
    tim’s friend. Therefore, the best Gonzales could have hoped
    for was a showing that he was not one of the rapists but did
    batter the victim’s friend, and at worst the jury could have
    believed that Gonzales was involved in or assisted in allowing
    the rape. Given how weak the mitigating character evidence
    was, it was not unreasonable for the California Supreme Court
    to conclude that Gonzales’s counsel had a valid strategic rea-
    son for not introducing the character evidence so as to avoid
    20720                  GONZALEZ v. WONG
    the details of this incident. See Burger v. Kemp, 
    483 U.S. 776
    ,
    791 (1987) (concern about prior convictions was valid reason
    not to introduce character evidence); Siripongs v. Calderon,
    
    133 F.3d 732
    , 736-37 (9th Cir. 1998) (same).
    The second type of evidence was information about Gon-
    zales’s life history. The bulk of this testimony portrayed Gon-
    zales’s family as a stable lower-class family. The only
    potentially helpful information was that two of Gonzales’s
    sisters died in a train accident when he was younger and that
    after this accident Gonzales’s parents neglected the remaining
    children. This testimony came from Gonzales’s aunt. Addi-
    tionally, the defendant’s brother testified that there was a
    change in the family after the death of his sisters. While it is
    unclear what these witnesses meant, it is conceivable that this
    evidence could have been presented to the jury to induce sym-
    pathy for Gonzales, and its introduction would not have
    opened the door to the gang rape evidence.
    While this evidence could have been introduced, it was not
    the kind of evidence that would have made a sentencer “con-
    clude[ ] that the balance of aggravating and mitigating cir-
    cumstances did not warrant death.” Strickland, 
    466 U.S. at 695
    . Generally Gonzales appears to have come from a stable
    family. While Gonzales’s aunt used the word “neglect,” it
    does not appear that she means that the children were aban-
    doned or abused. Furthermore, Gonzales was already sixteen
    when the accident occurred so it is questionable how much
    any neglect would have affected him. Additionally, there was
    no evidence of the kinds of abuse which other courts have
    found sufficiently material to warrant relief. See, e.g., Wiggins
    v. Smith, 
    539 U.S. 510
    , 535 (2003) (evidence of abuse at
    hands of alcoholic absentee mother and “physical torment,
    sexual molestation, and repeated rape” while in foster care);
    Boyde v. Brown, 
    404 F.3d 1159
    , 1180 (9th Cir. 2005) (coun-
    sel was deficient for failing to investigate and present evi-
    dence of physical and sexual abuse by parents). While the
    death of his sisters was undoubtedly tragic and the shock may
    GONZALEZ v. WONG                   20721
    have caused Gonzales’s parents to be inattentive to him, this
    evidence was not sufficient to engender enough sympathy to
    overcome the aggravating circumstances of the murder.
    [15] We conclude that the state court did not unreasonably
    determine that there was not a reasonable probability that had
    this evidence been presented to the jury the result would have
    been different. Since Gonzales failed to establish that the
    alleged deficiency by his counsel caused him prejudice, these
    ineffective assistance of counsel claims fail.
    C.   Ineffective Assistance of Counsel: Mental Impairment
    Evidence
    Gonzales also alleges that his counsel was deficient
    because he failed to investigate and present evidence at the
    guilt and penalty phases that Gonzales had a mental impair-
    ment that would have affected his judgment at the time of the
    shooting. Gonzales points to a medical opinion by Dr. Stein,
    a doctor retained by Gonzales’s habeas counsel, which stated
    that Gonzales has a mental impairment which “would make
    it extremely difficult for him to choose between alternatives
    within a short period or to size up options available to him.”
    Dr. Stein also opined that “[e]ven if Gonzales had heard the
    police officers announce themselves, it is highly likely he
    would have still tended to distort or misperceive the events
    and have been unable to grasp the correct response.” 
    Id.
     Gon-
    zales asserts that this mental impairment evidence would have
    explained why, once he believed the men were Bassetts, he
    was unable to process the evidence that they were in fact offi-
    cers.
    The California Supreme Court rejected this claim because
    Gonzales had not shown that his counsel was deficient. In
    doing so it first determined that federal law contained “no
    blanket obligation to investigate possible ‘mental’ defenses.”
    Gonzalez, 
    800 P.2d at 1195
    . Rather, an attorney only needs to
    investigate mental health defenses if there are “facts known to
    20722                 GONZALEZ v. WONG
    counsel from which he reasonably should have suspected that
    a meritorious defense was available.” 
    Id.
     It then made a fac-
    tual determination that counsel was not aware of any evidence
    that would have made “the possibility of convincing ‘mental’
    evidence . . . reasonably apparent to a competent attorney.”
    
    Id.
     In reviewing this conclusion we once again ask only
    “whether there is any reasonable argument that counsel satis-
    fied Strickland’s deferential standard.” Richter, 
    131 S. Ct. at 778
    . Here, there are reasonable arguments that counsel was
    not deficient. Because Gonzales has failed to satisfy his bur-
    den under the deficiency prong, there is no need to address the
    prejudice prong.
    First, the California Supreme Court’s determination that
    there is “no blanket obligation to investigate possible ‘mental’
    defenses, even in a capital case” was not an unreasonable
    application of federal law. Strickland explicitly addresses
    counsel’s duty to investigate, instructing that “counsel has a
    duty to make reasonable investigations or to make a reason-
    able decision that makes particular investigations unneces-
    sary.” 
    466 U.S. at 691
     (emphasis added); see also Wiggins,
    
    539 U.S. at 527
     (“[A] court must consider not only the quan-
    tum of evidence already known to counsel, but also whether
    the known evidence would lead a reasonable attorney to
    investigate further.”); Douglas v. Woodford, 
    316 F.3d 1079
    ,
    1085 (9th Cir. 2003) (“Trial counsel has a duty to investigate
    a defendant’s mental state if there is evidence to suggest that
    the defendant is impaired.”). There is no clear Supreme Court
    case law always requiring a mental health investigation at the
    guilt or penalty phase. See Pinholster, 
    131 S. Ct. at 1406-07
    (“Strickland itself rejected the notion that the same investiga-
    tion will be required in every case.”). The Court has generally
    eschewed blanket rules in the context of ineffective counsel.
    Strickland, 
    466 U.S. at 696
     (“Most important, in adjudicating
    a claim of actual ineffectiveness of counsel, a court should
    keep in mind that the principles we have stated do not estab-
    lish mechanical rules.”).
    GONZALEZ v. WONG                   20723
    Second, the California Supreme Court’s determination that
    counsel would not have been aware that a mental health
    investigation would lead to “materially favorable evidence,”
    Gonzalez, 
    800 P.2d at 1195
    , was a reasonable factual determi-
    nation. The only facts that Gonzales suggested should have
    put his counsel on notice was the fact that Gonzales was illit-
    erate and that he had been sick as a child. The California
    Supreme Court requested a response from defense counsel as
    to why he failed to conduct a mental health investigation, and
    he explained that Gonzales “seemed normal and alert, and he
    participated knowledgeably in strategy discussions.” 
    Id. at 1194
    . In regards to Gonzales’s illiteracy, counsel stated “he
    attached little significance to defendant’s illiteracy, because
    poor reading skills are common in low-income communities
    for reasons unrelated to mental ability.” 
    Id.
     The California
    Supreme Court found counsel’s responses uncontroverted and
    dispositive.
    As Strickland requires, the California Supreme Court
    “evaluate[d] the conduct from the counsel’s perspective at the
    time” and then “judge[d] the reasonableness of counsel’s
    challenged conduct on the facts of the particular case, viewed
    as of the time of counsel’s conduct.” 
    466 U.S. at 689-90
    .
    Given that “counsel is strongly presumed to have rendered
    adequate assistance,” 
    id. at 690
    , the California Supreme Court
    was not unreasonable in accepting counsel’s statement that
    from his perspective there was nothing unusual about Gon-
    zales’s illiteracy, in combination with other facts he knew
    about Gonzales, that would have required him to seek a men-
    tal health evaluation.
    [16] Nor has Gonzales adequately explained why his illit-
    eracy would have necessarily put his counsel on notice that a
    mental impairment defense would be fruitful. The fact that
    Gonzales appeared normal and alert and was able to partici-
    pate in strategy discussions would have been much more rele-
    vant in considering whether to pursue a mental impairment
    investigation. We find nothing unreasonable with the state
    20724                      GONZALEZ v. WONG
    court’s conclusion that defense counsel did not have reason to
    believe that a mental health investigation would have been fruit-
    ful.14
    D.     Ineffective Assistance of Counsel: Evidence that Acker
    was a Government Agent
    Gonzales also argues that his counsel was ineffective for
    failing to investigate and present evidence that William Acker
    was a government agent. Inherent in this claim is the assump-
    tion that Acker was a government agent. However, despite
    having pursued this claim for close to thirty years, Gonzales
    has never been able to provide evidence to support his asser-
    tion that Acker was acting as a government agent. As the Cal-
    ifornia Supreme Court correctly noted, “[a]bsent evidence of
    direct motivation by the police or a prior ‘working relation-
    ship’ between Acker and the authorities,” there is no basis for
    concluding Acker was a government agent. Gonzalez, 
    800 P.2d at 1193
    .
    Even after the discovery authorized by the district court,
    nothing in the record suggested that Acker had an established
    14
    We also note that while Gonzales has presented this argument as one
    about a mental impairment investigation, it is actually an argument that
    counsel did not think of a potential avenue for supporting the defense’s
    theory that Gonzales believed the officers were gang members. Just
    because counsel did not come up with all potential ways to prove the case
    does not make the counsel’s performance ineffective. See Richter, 
    131 S. Ct. at 789
     (“Counsel was entitled to formulate a strategy that was reason-
    able at the time and to balance limited resources in accord with effective
    trial tactics and strategies.”); see also Strickland, 
    466 U.S. at 689
     (“There
    are countless ways to provide effective assistance in any given case. Even
    the best criminal defense attorneys would not defend a particular client in
    the same way.”); Chandler v. United States, 
    218 F.3d 1305
    , 1316 n. 16
    (11th Cir. 2000) (“No lawyer can be expected to have considered all of the
    ways. If a defense lawyer pursued course A, it is immaterial that some
    other reasonable courses of defense (that the lawyer did not think of at all)
    existed and that the lawyer’s pursuit of course A was not a deliberate
    choice between course A, course B, and so on.”).
    GONZALEZ v. WONG                          20725
    relationship with the police prior to his conversations with
    Gonzales. Gonzales points to the fact that Acker also testified
    about jailhouse confessions in other murder cases and argues
    that it cannot be mere coincidence that Acker was placed next
    to several murder suspects who all purportedly confessed to
    him. He also suggests that there was something unusual going
    on because Acker was referred for a probation evaluation
    even though he should not have been eligible for probation on
    his murder conviction.
    [17] Conjecture and coincidences cannot stand in the stead
    of actual evidence that Acker was a government agent, how-
    ever, particularly given the high standard of deference given
    to the state court’s conclusion. We agree with the district
    court that “petitioner has not presented, and cannot come up
    with, clear and convincing evidence to controvert, or rebut the
    presumption of correctness applicable to, the state court’s
    finding that Acker did not act as law enforcement’s agent in
    petitioner’s case.” Because there is no evidence that Acker
    was a government agent, there is no basis to find that the con-
    clusion reached by the California Supreme Court on this
    claim was factually or legally unreasonable.
    E.     Ineffective Assistance of Counsel: Lingering Doubt
    Gonzales next argues that his counsel provided ineffective
    assistance during the penalty phase because his counsel failed
    to understand and explain to the jury the one mitigating factor
    he presented to the jury, “lingering doubt.”15 Lingering doubt
    15
    The California Supreme Court did not explicitly address this argument
    as an ineffective assistance of counsel argument. It did reject an argument
    that the jury was misled to ignore any lingering doubt in the penalty phase
    through either counsels’ arguments or the jury instructions. This is, in
    essence, a conclusion that either counsel was not deficient or that any defi-
    ciency was immaterial. Gonzalez, 
    800 P.2d at 1189
    . It also rejected several
    unspecified ineffective assistance claims, which the court describes as
    including “incompetently fail[ing] to . . . present mitigating penalty evi-
    20726                     GONZALEZ v. WONG
    was a valid mitigating factor recognized by the California
    Supreme Court in People v. Terry, 
    390 P.2d 381
    , 387 (Cal.
    1964). Lingering doubt is some doubt regarding the defen-
    dant’s guilt for the crime of conviction, less than reasonable
    doubt but preventing absolute certainty, which mitigates
    against imposing the death penalty.
    Defense counsel did try to create lingering doubt by pre-
    senting evidence during the penalty phase to support the the-
    ory that Gonzales had mistakenly believed the police were
    gang members. However, in his opening and closing state-
    ments, defense counsel made confusing statements that sug-
    gested that the jury could not consider whether they had doubt
    about Gonzales’s guilt. While counsel’s performance might
    have been less than stellar, his statements about lingering
    doubt did not have a material adverse effect on the penalty
    phase.
    The prosecutor focused his case for aggravation almost
    exclusively on one aggravating factor, “the aggravated nature
    of the crime.” The state sought to establish this factor by
    proving that Gonzales knew about the raid in advance and
    planned to use the raid as an opportunity to “bag a cop.” In
    his opening statement during the penalty phase trial that pro-
    duced the death sentence verdict, the prosecutor told the jury
    that “the evidence will show that the defendant planned to kill
    a cop. Not that it was thought of lightly, that it was just a
    split-second situation, spontaneous, but he planned to kill a
    cop. Something to the effect he was going to bag a cop.” Dur-
    dence” and making “tactical errors at the penalty phase affect[ing] the bal-
    ance of aggravation.” 
    Id. at 1202
    . Gonzales exhausted the issue because
    his petition before the California Supreme Court clearly raised this issue
    as one of ineffective assistance of counsel. California Amended Petition
    at 65-6. “Where a state court’s decision is unaccompanied by an explana-
    tion, the habeas petitioner’s burden still must be met by showing there was
    no reasonable basis for the state court to deny relief.” Richter, 
    131 S. Ct. at 784
    .
    GONZALEZ v. WONG                    20727
    ing his summation the prosecutor reiterated that the murder
    deserved the death penalty because Gonzales “planned to kill
    a cop during a raid,” had “a detailed Bassett story to show
    how he was going to cover it up,” and was “standing there
    with a shotgun, lying in wait.” The prosecution’s penalty
    phase case rested on proving the “bag a cop” theory.
    [18] Having reached the conclusion that Gonzales’s crime
    warranted the death penalty, the jury necessarily found that
    the aggravating circumstances outweighed the mitigating
    ones. Given the prosecutor’s arguments, it is highly likely that
    they concluded there was a premeditated plan to “bag a cop.”
    Having reached this conclusion, they also necessarily rejected
    the argument that would have created lingering doubt, that
    Gonzales mistakenly believed the officers were gang mem-
    bers. Therefore, it was not unreasonable for the California
    Supreme Court to conclude that any deficiency in defense
    counsel’s lingering doubt argument was immaterial.
    F.   Prosecutorial Misconduct: False Testimony by Acker
    Gonzales also claims that the prosecution used false testi-
    mony by Acker. Gonzales alleges that Acker lied about his
    reasons for testifying against Gonzales. It is clearly estab-
    lished law that “a State may not knowingly use false evi-
    dence, including false testimony, to obtain a tainted
    conviction . . . .” Napue v. Illinois, 
    360 U.S. 264
    , 269 (1959).
    The California Supreme Court applied this law and rejected
    this claim. It concluded that while there may have been incon-
    sistencies in Acker’s testimony, “one cannot state a prima
    facie case of perjury or concealment simply by showing
    inconsistencies in the witness’s testimony.” Gonzalez, 
    800 P.2d at 1194
    . The California Supreme Court also rejected
    Gonzales’s contention that Acker perjured himself at the guilt
    trial by not mentioning that the state had paid for him to have
    one of his tattoos removed. The court noted that “any infer-
    ence that Acker had received benefits for his cooperation in
    this and other cases by the time of the second penalty trial
    20728                 GONZALEZ v. WONG
    does not establish that his contrary guilt phase testimony was
    false when given.” 
    Id. at 1174
    . Given the evidence before the
    court, this conclusion was reasonable.
    The exact nature of Gonzales’s claim before this court is
    not entirely clear, but it appears to be that the California
    Supreme Court denied this claim without allowing him the
    opportunity to engage in the discovery necessary to support it.
    However, Gonzales was given the opportunity to conduct dis-
    covery into this claim by the district court and failed to
    uncover any evidence demonstrating the prosecutors know-
    ingly allowed Acker to lie during his testimony. Once again,
    conjecture and coincidence cannot win the day, particularly
    given the deference due the state court’s conclusions. Absent
    such evidence, there is no reason to question the California
    Supreme Court’s conclusion that the claim is meritless.
    G.   Hicks Claims
    [19] Gonzales next claims that his federal due process
    rights were violated by statements made by the prosecutor
    during his closing argument for the penalty phase. Gonzales
    points to three types of statements: instructing the jurors that
    they should not consider sympathy, discussing the jury’s dis-
    cretion to impose the death penalty if it found the aggravating
    circumstances outweighed the mitigating circumstances, and
    suggesting the absence of a mitigating circumstance be treated
    as an aggravating circumstance.
    Gonzales is unable to point to any clearly established fed-
    eral law from the Supreme Court that establishes any of these
    statements as a deprivation of due process under federal law,
    as required by the AEDPA. Instead, Gonzales has argued that
    the prosecutor’s statements were in violation of state law and
    that in making these statements the prosecutor violated his
    constitutional right to have the jury exercise its discretion in
    the manner authorized by state law. He derives this principle
    from Hicks v. Oklahoma, 
    447 U.S. 343
     (1980), which held
    GONZALEZ v. WONG                    20729
    that if a state guaranteed a defendant the right to have a jury
    decide his sentence, it was unconstitutional to deny him re-
    sentencing by a jury after the statute under which he was sen-
    tenced was deemed unconstitutional. The Court stated that:
    Where, however, a State has provided for the impo-
    sition of criminal punishment in the discretion of the
    trial jury, it is not correct to say that the defendant’s
    interest in the exercise of that discretion is merely a
    matter of state procedural law. The defendant in such
    a case has a substantial and legitimate expectation
    that he will be deprived of his liberty only to the
    extent determined by the jury in the exercise of its
    statutory discretion.
    Id at 346.
    Gonzales reads Hicks too broadly. See Chambers v. Bower-
    sox, 
    157 F.3d 560
    , 565 (8th Cir. 1998) (distinguishing Hicks
    and “reject[ing] the notion that every trial error, even every
    trial error occurring during the sentencing phase of a capital
    case, gives rise to a claim under the Due Process Clause”). In
    Hicks the defendant was denied his state law right to have a
    jury decide his punishment, which implicated issues of funda-
    mental fairness. Hicks was not concerned with how a jury
    exercised its discretion. Here, regardless of the prosecutor’s
    statements, the decision to impose death was still made, as
    required by state law, by a jury in the “exercise of its statutory
    discretion.”
    Moreover, Gonzales’s argument also fails because it relies
    on the erroneous conclusion that he was denied a right guar-
    anteed to him by state law. See Ross v. Oklahoma, 
    487 U.S. 81
    , 91 (1988) (rejecting Hicks challenge because defendant
    “received all that was due under [state] law”). Gonzales raised
    each of these claims as independent state law claims before
    the California Supreme Court. That court found no violation
    of state law in any of the prosecutor’s statements. See
    20730                 GONZALEZ v. WONG
    McSherry v. Block, 
    880 F.2d 1049
    , 1052 (9th Cir. 1989) (“We
    are bound by th[e] state court’s construction of its own penal
    statute.”).
    Finally, even if there was error, it was not enough to estab-
    lish a denial of due process. That requires a showing of a
    denial of “that fundamental fairness essential to the very con-
    cept of justice.” Lisenba v. California, 
    314 U.S. 219
    , 236
    (1941). This is not a case where “the prosecutor[‘s] comments
    ‘so infected the trial with unfairness as to make the resulting
    conviction a denial of due process.’ ” Darden v. Wainwright,
    
    477 U.S. 168
    , 181 (1986) (quoting Donnelly v. DeChristo-
    foro, 
    416 U.S. 637
    , 643 (1974)).
    H.      Bouie Claim
    [20] Gonzales next claims a violation of his due process
    rights under Bouie v. City of Columbia, 
    378 U.S. 347
    , 353
    (1964). In Bouie the Court applied the underlying concept of
    the ex post facto clause of the Constitution, which on its face
    only applies to legislative acts, to the judiciary. It held that
    just as the ex post facto clause prohibits punishing an individ-
    ual under a law that was not in effect at the time of the per-
    son’s actions, the due process clause protects against
    “unforeseeable judicial enlargement of a criminal statute.” 
    Id.
    In other words, a court cannot reinterpret a criminal statute in
    an unforeseeable manner so that it criminalizes additional
    conduct and then apply that novel interpretation retroactively.
    We have considered Gonzales’s Bouie claim and conclude
    that there was no due process violation.
    Gonzales’s claim arises out of the manner in which the jury
    was instructed on the special circumstance of which he was
    convicted: killing a peace officer engaged in the lawful per-
    formance of his duties. The trial court modified the instruction
    on the special circumstance so that the jury was instructed that
    a police officer serving a search warrant was engaged in the
    GONZALEZ v. WONG                          20731
    performance of his duties.16 Gonzales did not object to this
    instruction during trial, but in his direct appeal to the Califor-
    nia Supreme Court he argued that the modification violated
    established California law. He contended that under Califor-
    nia law an officer serving a facially valid, but actually invalid
    warrant was not engaged in the lawful performance of his
    duties and that the validity of the warrant was a question for
    the jury to decide. He argued the court erred by telling the
    jury that an officer serving a search warrant was automatically
    engaged in the performance of his duties, because in doing so
    it prevented the jury from making its own determination about
    the warrant’s validity.
    Gonzales’s argument relied on the California Supreme
    Court’s holding in People v. Curtis, 
    450 P.2d 33
     (Cal. 1969),
    that in order to be convicted of a crime with an element
    involving physical force against an officer the jury had to find
    that the officer was lawfully engaged in his duties. A footnote
    in Curtis suggested that an officer serving an invalid warrant
    was not lawfully performing his duties. 
    Id.
     at 37 n.4. How-
    ever, the court had never explicitly held that an officer was
    not engaged in the performance of his duties if he was serving
    a facial valid but actually invalid warrant.
    The California Supreme Court rejected Gonzales’s argu-
    ment, and held for the first time, over a dissent, that “if a war-
    rant is valid on its face, an officer carrying out its command
    to search or arrest is lawfully engaged in duty . . . even if the
    facts disclosed to the magistrate in support of the warrant
    were not legally sufficient to establish probable cause.” Gon-
    zalez, 
    800 P.2d at 1177
    . Because federal courts will not con-
    sider issues of state law as part of habeas review, Gonzales
    16
    The instruction in question, with the modification in brackets, defined
    “performance of his duties” as “any lawful act of conduct while engaging
    in the maintenance of the peace and security of the community or in the
    investigation or prevention of a crime; [to wit, the serving of a search war-
    rant].”
    20732                  GONZALEZ v. WONG
    attempted to repackage this claim as a violation of federal due
    process. He argued that Curtis was the law at the time of his
    crime and that the California Supreme Court’s decision in his
    appeal was an unforeseeable enlargement of a criminal statute
    that was retroactively applied to him in violation of due pro-
    cess as established in Bouie.
    There are several problems with Gonzales’s Bouie argu-
    ment. First, the California Supreme Court’s decision in Gon-
    zalez was not unforeseeable. In fact, we think it unlikely that
    the court would have reached any other conclusion. To do so
    would have sanctioned violence against law enforcement offi-
    cers who believed they were lawfully performing their jobs.
    Curtis, which dealt with an officer making an unlawful arrest
    and using excessive force, was clearly directed at denying
    officers who were knowingly engaging in unlawful exercises
    of police power the extra protection of criminal statutes like
    the special circumstance at issue here. The dicta in the foot-
    note, while suggesting that a warrant must be actually valid,
    is a broad, general statement which was not controlling law.
    Even if we thought the California Supreme Court’s deci-
    sion was unforeseeable, we do not believe that Bouie is appli-
    cable here. Bouie dealt with the reinterpretation of a criminal
    statute such that conduct that at the time would not be crimi-
    nal was later held, after the fact, to be criminal under the stat-
    ute. In Bouie, the South Carolina Supreme Court reinterpreted
    a trespassing statute that had previously been interpreted to
    only criminalize unlawful entry to, in addition, also criminal-
    ize remaining on property after being asked to leave. It then
    retroactively applied that new interpretation to civil rights
    demonstrators who had been charged with trespassing
    because they had refused to leave a restaurant where they
    were holding a sit-in. The Supreme Court held this interpreta-
    tion to violate the due process clause because at the time the
    defendants acted their conduct was not criminal and they had
    no notice that their actions were illegal. Bouie, 
    378 U.S. at
    362
    GONZALEZ v. WONG                          20733
    Applying Bouie here would not further the principle under-
    lying that decision. The theory behind Bouie was that judicial
    enlargement of a criminal statute, like an ex post facto law,
    fails to give a defendant adequate notice that his conduct is
    criminal. 
    Id. at 350
     (discussing principle that “a criminal stat-
    ute must give fair warning of the conduct that it makes a
    crime”). Here the court’s ruling had nothing to do with the
    defendant’s actions, but instead had to do with the victim’s
    status. An individual who sees an officer serving a warrant
    would not ordinarily know at the time that the warrant was
    not valid. There is no suggestion that Gonzales knew that the
    search warrant was invalid or was justified in resisting it on
    that basis by shooting the officer attempting to serve it. Prior
    to Gonzalez, someone who shot an officer in the process of
    serving a warrant had notice that he may be subject to the
    death penalty. Bouie’s concern with fair notice to the defen-
    dant is inapplicable here.
    Finally, even if we found Bouie applicable here, the alleged
    error was harmless. On habeas review the “substantial and
    injurious effect” standard applies to determine whether a con-
    stitutional error was harmless. Fry v. Pliler, 
    551 U.S. 112
    , 121
    (2007). Gonzales challenged the validity of the warrant on
    appeal and the California Supreme Court held that “[b]y any
    applicable standard, the warrant was valid.” Gonzalez, 
    800 P.2d at 1169
    . During the trial Gonzales never contended that
    the warrant was invalid and never introduced any evidence
    that would have cast doubt on its validity.17 Based on the evi-
    dence presented at trial, there was no basis for the jury to con-
    17
    Justice Mosk stated in his Gonzalez dissent that Gonzales presented
    evidence and argument that the police acted unlawfully when they broke
    into the residence to execute the warrant. Gonzalez, 
    800 P.2d at 1210
    (Mosk, J., dissenting). However Justice Mosk was not discussing the
    validity of the search warrant, but rather the means of entry, which is not
    at issue in this appeal. Furthermore Justice Mosk appears to have been
    mistaken; we can find no evidence that during trial the defense argued the
    officers’ entry into the house was unlawful. In fact defense counsel stated
    that he was not going to challenge that the officers knocked and
    announced themselves. Gonzales also evidently raised some arguments
    before the district court that the warrant was invalid, such “as differing
    heights and times between the warrant affidavit and the underlying arrest
    report.” Assuming, arguendo, that these alleged deficiencies could make
    the warrant invalid, these arguments were not made at trial.
    20734                  GONZALEZ v. WONG
    clude the officers were not acting pursuant to their official
    duties. Therefore, there is no reason to believe the changed
    language affected the outcome of the trial. Since any error
    would have been harmless, Gonzales’s Bouie argument would
    fail regardless of its legal merit.
    III.    Response to Partial Dissent
    The partial dissent disagrees with the portion of our deci-
    sion that remands the Brady claim based on the psychological
    reports to the district court with instructions to stay the habeas
    proceedings until Gonzales has had an opportunity to present
    this new evidence to the California Supreme Court. Disagree-
    ment is expressed on both factual and legal grounds.
    Factually, the partial dissent disputes our assessment of the
    impact of the psychiatric reports withheld from defense coun-
    sel, concluding that “[a]t most, these reports suggest that
    Acker has an antisocial personality and that he tries to manip-
    ulate the prison system to obtain transfers to his preferred
    place of detention.” Partial Dissent, at 20770. That character-
    ization appears to us to be a substantial understatement, as
    demonstrated by the description of those reports set out
    above, at 20706-09. We also disagree with the partial dis-
    sent’s view that the withheld documents were not material
    because Acker had already been sufficiently impeached, as
    discussed at 20709-12. For the reasons discussed in more
    detail at 20712-14, we conclude there was a reasonable possi-
    bility that the verdict might have been different if the evi-
    dence had not been withheld.
    The disagreement as to law is more significant. The partial
    dissent describes our decision as “an end run around Pinhol-
    ster’s holding from (1) a hypothetical problem cited in its dis-
    sent, (2) a hypothetical solution posed in a concurrence, (3) a
    footnote in the majority opinion responding to both, and (4)
    an incredibly broad definition of the word ‘claim.’ ” Partial
    Dissent, at 20734.
    GONZALEZ v. WONG                    20735
    The last comment is especially puzzling, because we do not
    adopt a “broad” definition of the word “claim.” We conclude
    that Gonzales had not presented a new “claim” distinct from
    claim already presented and rejected by the California
    Supreme Court, see above at 20701-02, though at a time when
    that court was not aware of the psychiatric reports withheld
    from the defense. Judge Fletcher’s separate concurring opin-
    ion raises the suggestion that this argument could be identi-
    fied as a “new claim,” but that is not a conclusion of the
    majority opinion.
    More broadly, the partial dissent reads Pinholster to say
    something which the majority of the Court explicitly declined
    to say. The discussion which the partial dissent describes as
    “hypothetical” appears to us to concern precisely the situation
    presented to us in this case: “new evidence of withheld excul-
    patory witness statements.” Pinholster, 131 S. Ct. at 1401
    n.10. If there were compelling evidence of that nature, the
    partial dissent would apparently have us disregard it, nonethe-
    less..
    The partial dissent does not fault petitioner for failing to
    discover the withheld information or for failing to include it
    in his previous petition to the California Supreme Court, and
    properly so. Gonzales can’t be blamed for not knowing or
    presenting to the state court what was withheld from him.
    The only fault found by the partial dissent is that, in its
    view, by not immediately requesting a stay and seeking to
    return to state court after learning of the psychological reports
    in 2003, Gonzales “engaged in intentionally dilatory litigation
    tactics.” Partial Dissent at 20776. But prior to the announce-
    ment of the Court’s decision in Pinholster earlier this year,
    there did not appear to be any barrier to Gonzales pursuing his
    argument in federal court. Pinholster reversed a decision of
    this court, and the law in this circuit prior to that reversal did
    not require or even suggest that Gonzales should have done
    what the partial dissent castigates him for not doing. By the
    20736                 GONZALEZ v. WONG
    time of the Court’s decision in Pinholster was announced,
    Gonzales’s appeal had already been submitted to our panel for
    decision, so at that point there was nothing else for him to do.
    Staying the proceeding in federal court to give Gonzales an
    opportunity to present the previously withheld material to the
    California Supreme Court is a sensible solution to the prob-
    lem posed by this case. Indeed, we note that even the State,
    in supplemental briefing after oral argument of this case, sug-
    gested that we should return the case to state court to let it
    decide on the significance of the withheld information. That
    suggestion appears reasonable to us.
    We doubt that the stay and abey process will have to be
    employed very often, because Pinholster is now the recog-
    nized law, and because there should not be many such
    instances of withheld exculpatory witness statements not dis-
    covered until years later, after state court proceedings have
    concluded. But to disregard that evidence in the situation
    presented by this case would be to reward the prosecution for
    successfully withholding the evidence in the first place. We
    cannot accept such an unjust and illogical result, and we do
    not believe that is what the law requires.
    IV.     Conclusion
    We affirm all of the district court’s rulings on all of the
    non-Brady claims. However, because we believe that with the
    new evidence of the psychological reports Gonzales could
    make a colorable Brady claim, we remand to the district court
    on this claim (along with the related ineffective assistance
    claim) with instructions to stay the habeas proceedings until
    Gonzales has had an opportunity to present this new evidence
    to the California Supreme Court.
    AFFIRMED in PART; REVERSED and REMANDED
    in PART.
    GONZALEZ v. WONG                    20737
    W.   FLETCHER, Circuit Judge, concurring in part:
    I concur fully in Judge Clifton’s analysis of Gonzales’s
    non-Brady claims.
    I also concur in the decision to remand to the district court
    with directions to stay and abey Gonzales’s federal habeas
    petition in order to allow him to present to the California state
    courts his claim under Brady v. Maryland, 
    373 U.S. 83
    (1963), based on the evidence he has obtained during discov-
    ery in his federal habeas proceedings. However, I believe that
    we have the authority, in the circumstances of this case, con-
    sistent with the Supreme Court’s decision in Cullen v. Pinhol-
    ster, 
    131 S. Ct. 1388
     (2011), to decide petitioner’s Brady
    claim now, without first seeking the view of the California
    courts. I would prefer to exercise that authority.
    I.   General Application of Pinholster
    The Supreme Court held in Pinholster that in a habeas case
    governed by 
    28 U.S.C. § 2254
    (d)(1) we generally cannot con-
    sider evidence that was not before the state court. Pinholster,
    
    131 S. Ct. at 1398
    . A question Pinholster does not answer is
    what federal courts should do when confronted with such evi-
    dence. I agree with Judge Clifton that we may treat such evi-
    dence in the same way we treat unexhausted claims.
    In Rhines v. Weber, 
    544 U.S. 269
     (2005), the Supreme
    Court held that when a habeas petitioner files a so-called
    “mixed” habeas petition — a petition that includes both
    exhausted and unexhausted claims — a district court abuses
    its discretion in certain circumstances when it decides not to
    stay and abey the petition to allow the petitioner to present the
    unexhausted claims in state court. Specifically, a district court
    should stay and abey such a mixed petition if “the petitioner
    had good cause for his failure to exhaust, his unexhausted
    claims are potentially meritorious, and there is no indication
    that the petitioner engaged in intentionally dilatory litigation
    20738                   GONZALEZ v. WONG
    tactics.” 
    Id. at 278
    . The Court reasoned that if district courts
    did not stay and abey such mixed petitions, the one-year stat-
    ute of limitations in AEDPA would bar petitioners from
    obtaining federal review of the unexhausted claims. See 
    id. at 275
    . Restricting the stay and abeyance procedure to situations
    where petitioners have good cause for failure to exhaust, have
    potentially meritorious claims, and have not engaged in dila-
    tory tactics, protects “AEDPA’s objective of encouraging
    finality.” 
    Id. at 277
    .
    The same reasoning applies here. If a habeas petitioner dis-
    covers new evidence supporting a claim of a constitutional
    violation after he has filed a federal habeas petition, and the
    district court adjudicates that claim without the benefit of the
    new evidence, then the ban on second or successive petitions
    in 
    28 U.S.C. § 2244
     will usually bar the petitioner from ever
    having his full claim adjudicated in federal court. I agree with
    Judge Clifton that, so long as the petitioner had good cause
    for his failure to discover the evidence while before the state
    court, the claim based on the new evidence is potentially mer-
    itorious, and there is no indication that the petitioner engaged
    in intentionally dilatory litigation tactics, the district court
    should stay and abey the claim supported by the new evidence
    to allow the petitioner to present that evidence to the state
    court. I also agree with the application of Rhines to the facts
    of this case.
    If this were an application of Pinholster to an ordinary
    case, I would simply agree with Judge Clifton’s opinion and
    not write separately.
    II.   General Rule of Pinholster Does Not Apply
    This, however, is not an ordinary case. The facts of this
    case are so extreme that the federal courts have the power,
    consistent with Pinholster, to consider the Brady material
    now, without first requiring Gonzales to seek the view of the
    state courts.
    GONZALEZ v. WONG                   20739
    The prosecutors actively suppressed evidence concerning
    William Acker, the witness who gave the only evidence of the
    state’s primary aggravating factor at Gonzales’s capital trial.
    The California trial court on post-conviction review granted
    a discovery motion that would have revealed the suppressed
    evidence. But the California Supreme Court reversed the trial
    court’s discovery order and refused to enter one of its own.
    The suppressed evidence shows not only that Acker was a
    jailhouse informant expecting to receive advantageous treat-
    ment in return for his testimony. Acker was also, unbe-
    knownst to Gonzales and his attorneys, a schizophrenic who
    had repeatedly faked suicide attempts to obtain desired prison
    transfers; had attempted to bribe a prison psychologist for a
    good report; had previously said that he was turning his life
    around in order to obtain release from prison, but had com-
    mitted thefts and a first-degree murder upon his release,
    before testifying at Gonzales’s trial that he was testifying as
    part of an effort to turn his life around; and had earlier been
    described by state correctional officers as “considered capable
    of any measure of brutality in the service of achieving what
    he wants to do.”
    I explain below the procedural history of Gonzales’s Brady
    claim, and why, given that history, Pinholster does not pre-
    vent us from deciding that claim now.
    A.   Acker’s Role at Trial
    Judge Clifton accurately describes the events of Gonzales’s
    trial. I provide more detail to show fully Acker’s importance
    to the state’s case against Gonzales, and the extent to which
    Acker was — or, more accurately, was not — impeached at
    trial.
    1.    Acker’s Substantive Testimony
    Gonzales’s conviction was based on his murder of a police
    officer. The officer was part of a team conducting a drug raid
    20740                  GONZALEZ v. WONG
    of Gonzales’s parents’ home. When the police entered, Gon-
    zales was braced against a wall pointing a shotgun at the door.
    He fired and killed one of the officers. Gonzales’s guilt-phase
    defense was that he thought the people entering his house
    were not police, but rather were members of the rival Bassett
    gang.
    The prosecution’s evidence supported two somewhat dif-
    ferent stories. The first was that Gonzales must have known,
    based on the facts on the day of the raid, that the people
    breaking open his parents’ front door were police officers. As
    Judge Clifton describes, the police officers testified that they
    repeatedly announced they were police before entering and
    that they had entered the house with their badges visible.
    Another officer with expertise in gang activity testified that
    the area where Gonzales’s parents lived did not have a high
    level of gang activity, that the gang activity that did take place
    consisted of drive-by shootings rather than home invasions,
    and that a typical member of the Bassett gang looked and
    dressed nothing like the plain-clothes officers who conducted
    the raid. This evidence suggested it was unlikely that Gon-
    zales mistook the plain-clothes officers for members of the
    Bassett gang.
    The second story was that Gonzales had been told in
    advance that the police were coming to conduct the raid, and
    that he had formed, well in advance of the raid, an intent to
    kill a police officer. This story, obviously much more damn-
    ing to Gonzales, came entirely from the testimony of William
    Acker. Acker was a jailhouse informant. Acker’s story was
    generally consistent through Gonzales’s guilt trial, first
    penalty-phase trial, and second penalty-phase trial. Acker tes-
    tified that Gonzales had approached him while they were in
    prison cells in the same row shortly after Gonzales was
    arrested. Acker testified that in discussions during the next
    two weeks, Gonzales told him the details of his crime.
    According to Acker, Gonzales told him that he had been
    tipped off by a friend that the police were going to raid his
    GONZALEZ v. WONG                   20741
    house. Gonzales thus knew the police were coming and was
    “on point” all day waiting, in Acker’s words, to “bag a cop.”
    According to Acker, Gonzales “knew it was a cop. He knew
    he was going to kill one. He aimed to kill.” Acker testified
    that when he asked Gonzales why he was so determined to
    kill a police officer, Gonzales described to him “a real sick
    philosophy about how to protect the pad.” Gonzales wanted
    to shoot a cop because “[t]hey got that coming.” Acker also
    testified that Gonzales had told him that his defense strategy
    would be to claim that he thought the police officers were
    members of the Bassett gang.
    2.    Acker’s Importance
    Acker’s testimony was important in the guilt phase
    because, if believed, it demonstrated that Gonzales knew well
    in advance of the raid that the men conducting the raid were
    police officers. However, all the prosecution needed to show
    in the guilt phase was that Gonzales knew that the men were
    police officers at the time he fired. Acker’s testimony was
    thus useful but not essential to the guilty verdict. In the pen-
    alty phase, however, Acker provided the crucial testimony. In
    arguing why Gonzales deserved the death penalty, the prose-
    cution’s main theory of aggravation was that Gonzales had
    planned in advance to “bag a cop.” In his opening statement
    in the second penalty-phase trial, Ronald Bowers, the prose-
    cutor, said that “the evidence will show that the defendant
    planned to kill a cop. Not that it was thought of lightly, that
    it was just a split-second situation, spontaneous, but he
    planned to kill a cop. Something to the effect he was going
    to bag a cop.” The evidence that Gonzales had planned in
    advance to kill a police officer came only from Acker, and the
    expression “bag a cop” came only from Acker. In his closing
    statement, Bowers’s chronology of when and how Gonzales
    formulated his plan to “bag a cop” came entirely from
    Acker’s testimony.
    Acker’s importance in the penalty phase is also demon-
    strated by a memorandum Bowers wrote to his supervisor
    20742                  GONZALEZ v. WONG
    after Gonzales’s first penalty-phase trial resulted in a mistrial.
    The jury, which consisted of six men and six women, had
    hung with nine in favor of death and three in favor of life
    without parole. Bowers wrote:
    I talked to the jurors afterwards and most of them
    found William Acker’s testimony to be credible. It
    was interesting that the women (especially the youn-
    ger women) were totally convinced by Acker’s state-
    ments. Some of the men only partially believed what
    he said. I hope to retry the penalty phase if down-
    town approves the retrial and Bill Acker is available
    and is willing to testify.
    This memorandum makes clear that Bowers was not willing
    to retry the penalty phase without Acker. It further suggests
    that women were more likely to believe Acker. The jury in the
    second penalty-phase trial had eleven women and one man.
    Gonzales’s trial took place before the Supreme Court decided
    J.E.B. v. Alabama, 
    511 U.S. 127
     (1994), and it was thus per-
    missible for the prosecutor to seek women on the jury.
    Attacking Acker’s truthfulness was crucial to the penalty-
    phase defense strategy. Ralph Bencangey, Gonzales’s lawyer,
    decided not to attack the guilt-phase jury’s conclusion that at
    the time he fired the gun Gonzales knew the men were police
    officers, but to rather attack Acker’s testimony that Gonzales
    had planned in advance the murder of a police officer. Ben-
    cangey told the second penalty-phase jury that the guilt-phase
    jury “could well have thought that at the time it occurred and
    the way that it occurred, [Gonazales] should have known that
    they were police officers at that time rather than . . . a long
    period in advance.” Bencangey told the jury in his opening
    statement that he would show that “if [Gonzales] is guilty, as
    the jury has previously stated, it would not be based on some
    advance plan that the prosecution is talking about, some spe-
    cial plan to kill a police officer.” Bencangey made this same
    argument in his closing.
    GONZALEZ v. WONG                    20743
    To succeed with this strategy, it was crucial to impeach
    Acker. In his opening statement Bencangey said that “the
    People are asking for a death penalty verdict, really based on
    the absolute truth of everything that Mr. Acker has said. It
    must be absolutely true.”
    3.   Impeachment of Acker
    Over the course of one guilt-phase trial and two penalty-
    phase trials, the prosecution disclosed only two documents
    concerning Acker to the defense: Acker’s rap sheet and a tran-
    script of Acker’s initial statement to investigators. The rap
    sheet was incomplete and inaccurate. It included several prop-
    erty crimes and Acker’s conviction for first-degree murder.
    But it failed to include several of Acker’s convictions, and it
    incorrectly stated that Acker was sentenced to life without
    parole for the murder when he was actually sentenced to life
    with possibility of parole. Acker’s initial statement to investi-
    gators provided no impeachment material because Acker told
    them basically the same story he later told at trial.
    Bencangey was thus severely limited in his ability to
    impeach Acker. During cross-examination in the guilt-phase
    trial, Acker admitted he was hopeful that in exchange for his
    testimony he would be transferred to an out-of-state prison.
    He said he was interested in such a transfer because he hated
    gangs, and the gangs hated him in return. Acker also admitted
    that he had given information to the police about crimes on
    two prior occasions. First, he gave information about his
    wife’s involvement in a murder that he and his wife had com-
    mitted in Hawaii. Second, he spoke with the police about a
    murder that had taken place on his row in jail. Everyone on
    his row, however, had been required to speak to the police
    about that murder.
    By the time of the first penalty-phase trial, Acker had given
    information in several more cases. In addition to having given
    information about his wife and the jailhouse murder, Acker
    20744                  GONZALEZ v. WONG
    admitted giving information to the police in the cases of four
    other criminal defendants: Anthony Davis, Raymond LaScola,
    Edwin Guy Williams, and Johnny Torres. In violation of
    Brady, the prosecutor had not disclosed to Gonzales Acker’s
    involvement in these cases. Bencangey had nonetheless
    learned of Acker’s involvement when he discovered the tran-
    script of Acker’s testimony in the preliminary hearing in the
    LaScola case. In all four of the cases, Acker claimed the
    defendant confessed to him. In some of them, Acker testified
    in court, and in some he only spoke to the police. Although
    Bencangey did not know it during trial, we now know that the
    LaScola case was dropped because then-Head Deputy District
    Attorney (now our colleague) Stephen Trott had concluded
    that Acker was an unreliable witness. Judge Trott’s view,
    expressed in a deposition taken in connection with Gonzales’s
    federal habeas petition, was that Acker’s testimony was “cer-
    tainly nothing that a jury ever should rely on if that’s all there
    was to convict Dr. La Scola.” Judge Trott described Acker as
    a “classic psychopath” and “a truly evil guy who delighted in
    sticking guns in people’s mouths to try to get them to, quote,
    ‘crap in their pants.’ ”
    To justify his practice of informing, Acker testified that not
    only was he giving information in order to obtain a transfer
    to an out-of-state prison, but he was also seeking a new
    “moral balance.” He testified that he wanted to “do something
    right for a change, to do something real.” “I’m trying to bal-
    ance out the wrong that I’ve been through, you know, stop
    somebody else from going out and killing someone again.”
    In the second penalty-phase trial, Acker again discussed the
    information he had provided in the other cases, and he dis-
    cussed his involvement in yet another case. He again testified
    that his reason for providing this information was both his
    desire to transfer to an out-of-state prison and his desire to
    “start a different direction for myself.” Before the second
    penalty-phase trial, Bencangey had discovered that the state
    had promised Acker that they would remove a tattoo from his
    GONZALEZ v. WONG                    20745
    back that read “Paramount.” When Bencangey attempted to
    question Acker about the tattoo, Bowers objected. In a confer-
    ence with the judge, Bowers said he wanted to prevent ques-
    tioning about Acker’s tattoo because “we have tried to change
    the identity of this informant, for his own safety.” Bencangey
    replied that “up until this hearing, until I found out, I’d asked
    that witness if anything else was offered to him in exchange
    for his testimony, and the district attorney’s office has never
    been forthcoming in telling me that they had promised to
    change his identity and surgically remove tattoos off him and
    give him a different name. I’ve only found this out recently.”
    The trial judge allowed Bencangey to question Acker about
    the tattoo. Bencangey attempted to impeach Acker by sug-
    gesting that the tattoo was a symbol of Acker’s gang member-
    ship, and that the tattoo removal and the identity change was
    another part of what the state had offered him in exchange for
    testifying. Acker denied that he was in a gang, claiming that
    he had the tattoo to represent that he was from the city of Par-
    amount.
    The second penalty-phase jury, consisting of eleven women
    and one man, returned a unanimous verdict in favor of death.
    B.   Report of the 1989-90 Los Angeles County Grand Jury
    Gonzales was sentenced to death in May 1981. In October
    1988, Los Angeles Sheriff’s Department deputies learned that
    a jailhouse informant, Leslie White, was writing an article in
    which he planned to explain how informants were acquiring
    knowledge about defendants they had never met in order to
    fabricate those defendants’ confessions. Report of the 1989-
    90 Los Angeles County Grand Jury, June 26, 1990, at 69
    [hereinafter “Grand Jury Report”]. White agreed to demon-
    strate the technique to the Sheriff’s Department. The report of
    what White did is worth repeating in full. The report does not
    identify White by name, but refers to him as “the informant.”
    20746                 GONZALEZ v. WONG
    The sergeant gave the informant the name of an
    inmate who was being held in the Hall of Justice Jail
    on murder charges. The informant, representing him-
    self to be an employee of a bail bond company, cal-
    led the jail’s Inmate Reception Center and was able
    to obtain the inmate’s booking number, date of birth,
    color of eyes and hair, height, weight, race (Cauca-
    sian), bail ($100,000), case number, date of arrest,
    arresting agency (Sheriff’s Special Enforcement
    Bureau), next court date, and where the inmate was
    housed in the jail.
    The informant next called the records section of
    the District Attorney’s Office. He said he was a Dep-
    uty District Attorney and asked for information on
    the inmate’s case. He was given the name of the
    Deputy District Attorney prosecuting the case, the
    Deputy District Attorney’s telephone number, and
    the name of a witness.
    A few calls later, the informant called Sheriff’s
    Homicide and said he was “Sergeant Stevens” at the
    Central Jail. He was able to obtain the name of the
    murder victim, and the victim’s age and race.
    The informant then called the Deputy District
    Attorney who was handling the case, initially identi-
    fying himself as “Sergeant Williams” with the Los
    Angeles Police Department. The Deputy District
    Attorney responded to the informant’s questions by
    stating, “I’ll tell you anything you want to know
    about the case,” and proceeded to provide details
    about what the victim was wearing, where his body
    was found, the fact that the coroner’s report said that
    death resulted from suffocation and/or drugs, that the
    victim’s blood contained a fatally high amount of
    methamphetamine, that the defendant confessed to
    stuffing the victim in a trunk, and the prosecutor’s
    GONZALEZ v. WONG                     20747
    personal opinion of the likely defense in the case.
    Near the end of the conversation, the informant gave
    his name as “Sergeant Johnson.”
    At this point, the informant said he had obtained
    enough details about the case to enable him to fabri-
    cate a jail house confession which would be accepted
    by detectives. He then proceeded to demonstrate
    how he could arrange for contact between himself
    and the inmate to support the fabricated confession.
    The informant called a department of the Superior
    Court in Van Nuys, identifying himself as Deputy
    District Attorney “Michaels” with the Organized
    Crime Unit downtown. In response to the infor-
    mant’s request, the court bailiff ordered the infor-
    mant and the inmate to be transported to Van Nuys
    the following day.
    Id. at 69-71. White indicated that a fabricated confession
    based on this information would be sufficient to get him a
    “hell of a deal” with prosecutors. Id. at 71. His information
    was believable both because he knew many facts about the
    defendant that he apparently could only have obtained from
    the defendant, and because he had arranged to be in the same
    place as the defendant so that it was possible that the defen-
    dant could have confessed to him. White said that the “key”
    to the operation is that the District Attorneys
    want to win. So if I come forward with the informa-
    tion as detailed as that they’re gonna use it. Because
    the jury not knowing the system or how it works, is
    going to believe when I get up there with all these
    details and facts, that this guy sat in the jail cell, or
    he sat on the bus, or he sat in the holding tank some-
    where, or told me through a door or something,
    they’re gonna believe me.
    20748                 GONZALEZ v. WONG
    Id. at 72.
    White’s demonstration led to the empanelling of an investi-
    gatory Grand Jury to look into the improper use of informant
    testimony by the Los Angeles County District Attorney’s
    Office. The Grand Jury’s investigation took place between
    1989 and 1990, and covered the period from 1979 through
    1990. The grand jurors and their investigators spoke to
    twenty-five informants. The Grand Jury concluded that “the
    experiences and perceptions of these informants generally
    reflect those of the informant population at large.” Id. at 8.
    The grand jurors also spoke to and heard testimony from a
    large number of people in the Los Angeles County Sheriff’s
    Department (which administers the jails where the informants
    were housed), the Los Angeles District Attorney’s Office, and
    the defense bar. The Grand Jury’s 150-page report paints a
    harrowing picture of the role of jailhouse informants in the
    Los Angeles County criminal justice system during this
    period.
    The report gave a detailed description of jailhouse infor-
    mants’ “astonishing ability to discover information about
    crime in order to concoct a confession by another inmate.” Id.
    at 31. Credibility of jailhouse informants is often based on the
    supposed fact that they could only have obtained certain
    information about a crime from the defendant himself. The
    report describes cases in which law enforcement officers
    either fed information about other inmates to informants, or
    left informants in a room with documents from other inmates’
    cases. Id. at 27-28. Sometimes law enforcement officials
    would signify to informants that a new inmate was “hot,”
    thereby giving the informants an implicit instruction to pro-
    vide testimony inculpating the inmate. Informants would
    sometimes obtain information by getting friends who were not
    incarcerated to go to a defendant’s preliminary hearing and
    get information, or would simply get unwitting defendants to
    describe crimes. In one case, a defendant described to an
    informant a crime he had witnessed, but not committed, and
    GONZALEZ v. WONG                   20749
    the informant turned it into a confession. Id. at 30. Often
    informants would “offer to assist [a] defendant in his case and
    thereby elicit the defendant’s knowledge of law enforce-
    ment’s version of the crime.” Id. at 31 n.16.
    The Grand Jury found that the Sheriff’s Department facili-
    tated informants’ collection of information by placing infor-
    mants near defendants from whom it wanted a confession.
    According to the Grand Jury:
    It has long been suspected that Sheriff’s Department
    deputies intentionally placed informants with
    inmates “from whom law enforcement could use a
    confession.” The Sheriff’s Department denies such a
    practice has ever existed, however, the Grand Jury
    received evidence which indicated the placing of
    inmates for the purpose of gathering information has
    occurred.
    Id. at 58 (quoting letter of Nov. 1, 1988, from a supervisory
    Deputy District Attorney to the District Attorney’s Director of
    Bureau, Branch and Area Operations). The Grand Jury went
    on to describe numerous instances in which it concluded that
    informants had been placed near defendants from whom
    authorities wanted confessions. Id. at 60-68.
    In addition to their ability to discover information about
    defendants, the informants had no scruples about perjuring
    themselves.
    An appalling number of instances of perjury or other
    falsifications to law enforcement during the past ten
    years were described by informants. Undeniably, a
    significant number of informants do not tend to feel
    constrained by external or internal values to refrain
    from lying, regardless of the consequences to other
    inmates.
    20750                  GONZALEZ v. WONG
    Id. at 18-19. One informant confessed in the mid-1970s to a
    crime he had not committed. In 1979, a psychiatrist diagnosed
    this informant as a pathological liar. Prosecutors subsequently
    used this informant’s testimony against defendants in either
    five or six cases. Id. at 16.
    The number of informants was staggering. One defense
    attorney described a case in which, at the preliminary hearing,
    eight jailhouse informants claimed his client made incriminat-
    ing statements. Other informants called the attorney and
    offered to testify on his client’s behalf. The attorney described
    the preliminary hearing as “a dream world where everybody
    was either lying or fabricating or then recanting a prior lie or
    then making something up. It got to be a nightmare where you
    couldn’t believe one person or the other.” Id. at 39.
    High profile cases attracted the most informants. In some
    cases, up to twenty informants would come forward claiming
    to have heard a confession. Id. at 111. The Grand Jury found
    a general consensus among defense attorneys that “jail house
    informants seemed to invariably be available to testify in
    important cases.” Id. at 37. Of all the death penalty cases tried
    in Los Angeles from 1978 through 1990, approximately one
    third involved a jailhouse informant testifying that the defen-
    dant had confessed to him. Id.
    The Grand Jury found that informants were given numer-
    ous benefits. Examples include being transferred to a cell with
    a TV, coffeepot, and other amenities, being taken outside the
    jail for lunch, having witness protection money paid to an
    informant’s wife, and having a girlfriend being held on a one
    million dollar bail released on her own recognizance. Id. at
    13-15. At least two informants testified to instances where
    they or an informant they knew were transferred to a jail per-
    ceived to be more desirable. Id. at 14. The Grand Jury also
    found many examples of prosecutors dropping charges, writ-
    ing letters on informants’ behalf to the parole board, or asking
    a court to impose a lower sentence. Id. at 13.
    GONZALEZ v. WONG                   20751
    Benefits to informants were not generally disclosed to the
    defense. The prosecutors’ rationale for failing to disclose the
    benefits was that there was only an implicit understanding
    that the authorities would help the informant in exchange for
    his testimony. The Grand Jury explained:
    The entire circumstances regarding benefits and the
    expectations of benefits, in many cases, are not ade-
    quately presented to the judge or jury for them to
    have the necessary factual basis to evaluate the testi-
    mony of the informant. This is particularly so when
    an agreement on the extent of benefits is not made
    with the informant until after the testimony.
    Id. at 76. Later, along similar lines, the Grand Jury found:
    The practice of waiting until after the testimony is
    provided, before the informant’s pending case is
    dealt with, may lend itself to some troubling results.
    This may provide the informant with a basis for
    assuming that his sentence will be measured by the
    assistance he provides the prosecution by his testi-
    mony. In view of the benefits that he may be seeking
    by his testimony, the potential for perjury or shading
    of testimony for the prosecution must be recognized.
    Id. at 95 (emphasis omitted). One defense attorney, in testi-
    mony to the Grand Jury, described the system as being like
    a ‘secret society’ where even though nothing is said,
    the prosecutors and the informants know that some
    benefit will flow to the informant for his testimony.
    The defense attorney explained it was extremely dif-
    ficult to try to impeach jail house informants when
    there was nothing in the record relating to benefits
    they were to receive from their testimony.
    Id. at 39.
    20752                 GONZALEZ v. WONG
    The Grand Jury concluded that the Los Angeles District
    Attorney’s office was aware of abuses concerning jailhouse
    informants well before Leslie White’s 1988 revelations. Evi-
    dence supporting this conclusion went back to the late 1970s.
    Id. at 97. The Grand Jury was particularly critical of the Dis-
    trict Attorney’s office’s failure to keep any database of jail-
    house informants. Id. at 105-117. It noted that in the high
    profile cases in which twenty informants would claim to have
    heard a confession, the informants “were narrowed to a very
    few, sometimes to only one or two witnesses. No record was
    kept of those who were rejected and the reasons for that deter-
    mination. If the informants were again to offer testimony in
    other cases, there existed no systematic means to review the
    knowledge obtained by the earlier prosecutor.” Id. at 111.
    The Grand Jury report discussed a proposal to create a
    repository of very basic information about jailhouse infor-
    mants. The District Attorney’s office rejected this proposal.
    “The reason consistently offered by officials for deciding
    against the informant system was that defendants might dis-
    cover information contained in the index.” Id. at 115. The
    report found that “[n]either a defendant’s rights to know about
    information affecting the credibility of an informant, nor a
    prosecutor’s obligation to disclose such information to a
    defendant, was ever mentioned during the discussion of the
    pros and cons of an informant index, according to all sources
    of evidence presented to the Grand Jury.” Id. at 117.
    The Grand Jury reached two overarching conclusions:
    A.   The Los Angeles County District Attorney’s
    Office failed to fulfill the ethical responsibilities
    required of a public prosecutor by its deliberate
    and informed declination to take the action nec-
    essary to curtail the misuse of jail house infor-
    mant testimony.
    B.   The Los Angeles County Sheriff’s Department
    failed to establish adequate procedures to con-
    GONZALEZ v. WONG                     20753
    trol improper placement of inmates with the
    foreseeable result that false claims of confes-
    sions or admissions would be made.
    Id. at 6.
    The Grand Jury discussed potential relief for defendants,
    like Gonzales, who had been convicted based on informants’
    potentially false testimony during the period covered by the
    report. “Because the judgments are final, the review must be
    sought by Petition for Writ of Habeas Corpus. In filing such
    petitions, certain factual allegations must be made which are
    legally sufficient to support the relief sought. It is difficult and
    in some cases likely not possible to allege sufficient facts
    without discovery.” Id. at 152. The Grand Jury noted that the
    question of whether defendants could get such post-judgment
    discovery was currently before the California Supreme Court.
    Id. The Grand Jury was almost certainly referring to Gon-
    zales’s case which was then pending in that Court. The Grand
    Jury noted that the District Attorney’s office had been cooper-
    ative during the investigation. It expressed the hope that “[i]n
    the event post-conviction discovery is denied by the [Califor-
    nia] Supreme Court . . . the District Attorney will be equally
    cooperative in considering the needs of affected parties for the
    information necessary to pursue their remedies.” Id. at 153.
    C.   State Court Proceedings After the Grand Jury Report
    The Grand Jury’s hope went unfulfilled. As I describe
    below, the District Attorney’s office did not remain “equally
    cooperative” in Gonzales’s case, and the California Supreme
    Court denied post-conviction discovery.
    Gonzales was sentenced to death on May 7, 1981. Shortly
    thereafter, Gonzales filed a habeas petition in the California
    Supreme Court. He filed an amended habeas petition on June
    10, 1986. Between the time of his death sentence and his
    habeas filings, Gonzales had been able to obtain almost no
    20754                  GONZALEZ v. WONG
    additional information concerning Acker. He raised a Brady
    claim in his state habeas petition, but his discussion of the
    claim was brief, occupying only six of seventy-seven pages.
    In this initial habeas petition, Gonzales claimed that the prose-
    cutor had not disclosed the extent of Acker’s cooperation with
    the police in other cases. Gonzales argued that this violated
    Brady because such information would have allowed him to
    argue that Acker’s testimony violated the Sixth Amendment
    based on Massiah v. United States, 
    377 U.S. 201
     (1964), and
    United States v. Henry, 
    447 U.S. 264
     (1980). See People v.
    Gonzalez, 
    800 P.2d 1159
    , 1192 (Cal. 1990).
    In October 1988, after Gonzales filed his amended state
    habeas petition, Leslie White triggered the informant scandal
    and subsequent Grand Jury investigation. The information
    that came out during the investigation suggests strongly that
    Acker was involved in the schemes described in the Grand
    Jury report. First, Acker’s informing fit the time frame of the
    report. The report covered 1979 through 1990. Gonzales’s
    case, in 1979, was the first case in which Acker gave informa-
    tion concerning an alleged confession. Acker then gave infor-
    mation about five more alleged confessions over the next two
    years. Second, Acker was placed near Gonzales for two
    weeks shortly after Gonzales was arrested. Gonzales was
    arrested on May 29, 1979. He had been shot and taken from
    the scene in an ambulance, then later taken to the jail. His
    conversations with Acker took place in early July 1979. This
    sequence of events is consistent with the Grand Jury’s finding
    that the Sheriff’s Department placed informants near inmates
    from whom they wanted a confession. Third, the Sheriff’s
    Department would have been particularly interested in a con-
    fession from Gonzales because he had shot a Sheriff’s Depart-
    ment deputy. Fourth, the Grand Jury found that jailhouse
    informants were more likely to have allegedly heard confes-
    sions in death penalty cases. Finally, Acker claimed to have
    been helping Gonzales check the accuracy of his attorneys’
    work when Gonzales allegedly confessed to him. The Grand
    Jury found that informants would offer to assist inmates,
    GONZALEZ v. WONG                    20755
    based on their purported legal experience, in order to obtain
    information about the inmates’ crimes. Grand Jury Report at
    31.
    Starting in November 1988, while the Grand Jury investi-
    gation was still ongoing, the District Attorney’s office began
    to address its use of perjured testimony by jailhouse infor-
    mants. In various memoranda, the office indicated that any
    problems with the reliability of past jailhouse informants
    would be revealed to the state courts. On November 17, 1988,
    Chief Deputy District Attorney Gregory Thompson sent a
    memorandum to the Deputy District Attorneys, alerting them
    to the pending review of the office’s use of jailhouse infor-
    mants. With respect to informants who had been used in the
    past, Thompson wrote that “the most objective way to do this
    is on a case by case basis before the court. This will insure an
    independent review on the merits of each case.” On Novem-
    ber 30, 1988, in a letter to various defense attorneys, includ-
    ing Gonzales’s attorney, Thompson again emphasized his
    intention to make information obtained available through
    court proceedings:
    [W]e planned from the outset to make the informa-
    tion we obtained [through internal investigations]
    available to defense counsel on individual cases and
    anticipated that, in appropriate cases, that informa-
    tion would be thoroughly aired in open court. . . .
    The best forum for an objective, thorough examina-
    tion of the issues is in open court. . . . Further, the
    court is the only forum where any wrongs can be
    righted, where any breach in procedure can be
    assessed, where any prejudice can be weighed,
    where any injustice can be addressed. It is our aim
    that every pertinent, relevant issue on each contested
    case receive the careful and thorough attention of the
    court.
    Thompson also sent letters specifically addressed to attor-
    neys representing clients in whose trials jailhouse informants
    20756                  GONZALEZ v. WONG
    had testified. The letter to Gonzales’s attorney informed him
    of the investigation into the use of informants. The letter con-
    cluded, “[S]ince the courtroom is the appropriate forum in
    which to fully explore this issue, our office will join with you
    in expediting the hearing of any appropriate motion you may
    wish to bring.” Based in part on this letter, on March 29,
    1989, Gonzales’s attorneys filed a 77-point discovery motion
    with the state court judge who had presided over Gonzales’s
    trial. The motion sought discovery of information that would
    reveal whether the prosecution had violated its obligations
    under Brady to disclose information concerning Acker.
    Among the information requested was, “Any and all Califor-
    nia Department of Corrections Health and Welfare Agency
    records pertaining to WILLIAM GERALD ACKER.” The
    primary basis for the motion was the information that had
    come to light during the Grand Jury investigation of the infor-
    mant scandal.
    The state court trial judge held an initial hearing on Gon-
    zales’s discovery motion in June 1989. Despite the Los Ange-
    les County District Attorney’s repeated prior statements that
    it wanted to air in open court whatever information it pos-
    sessed concerning jailhouse informants, it now argued that
    because there was no proceeding currently before the trial
    court, that court had no jurisdiction over the case. In response,
    the judge noted the “very unique factual situation that’s
    involved in this case.” He said that “if all of the information
    is true with respect to the allegations that have been made by
    [Gonzales’s attorneys], I think it puts this case in an entirely
    different posture.” He stated that “fundamental fair play in
    this case would indicate that [Gonzales] ought to get that
    information.” In a second hearing in August, the trial judge
    granted the discovery motion. He made clear his belief that
    “the District Attorney’s Office has got to accept much of the
    responsibility for what occurred, in the sense that . . . at no
    time did your office ever maintain any coordinated effort . . .
    so that the problems which arose could have been prevented.”
    GONZALEZ v. WONG                    20757
    The state filed a writ of mandate with the California
    Supreme Court, seeking to reverse the trial judge’s discovery
    order. The state argued not only that the judge had no jurisdic-
    tion to issue the discovery order, but also that “Gonzalez did
    not make the showing necessary for a grant of discovery.”
    The California Supreme Court consolidated the writ of man-
    date appealing the trial judge’s discovery order with Gon-
    zales’s habeas petition then pending in the Supreme Court.
    Gonzales offered to drop his discovery motion if a repre-
    sentative of the District Attorney’s office would swear under
    penalty of perjury that the state’s files contained no material
    evidence relating to Acker’s testimony. The District Attor-
    ney’s office did not accept the offer. Gonzalez, 
    800 P.2d at
    1219 n.8 (Broussard, J., dissenting). Gonzales’s habeas attor-
    ney wrote in one of her filings to the California Supreme
    Court, referring to Thompson’s November 30, 1988, letter,
    “For close to one year, Counsel in this case as well as other
    cases, all of which are in differing procedural postures, have
    attempted to ascertain the name of the mysterious but ‘appro-
    priate motion’ that the District Attorney would join in. These
    efforts have met with overwhelming silence.”
    The California Supreme Court granted the state’s writ of
    mandate, reversing the trial judge’s discovery order. It con-
    cluded that “the trial court lacked jurisdiction to order ‘free-
    floating’ post-judgment discovery when no criminal proceed-
    ing was then pending before it.” Gonzalez, 
    800 P.2d at 1203
    .
    The Supreme Court also refused to grant discovery in the
    pending state habeas petition Gonzales had filed directly in
    the Supreme Court. 
    Id. at 1205
    . The Court wrote that a habeas
    corpus proceeding does not “trigger a right to unlimited dis-
    covery.” 
    Id.
     A habeas petition “must set forth specific facts
    which, if true, would require issuance of the writ. Any peti-
    tion that does not meet these standards must be summarily
    denied, and it creates no cause or proceeding which would
    confer discovery jurisdiction.” 
    Id.
     Even treating the discovery
    request and grand jury report as an amendment to the habeas
    20758                  GONZALEZ v. WONG
    petition, the Court concluded that Gonzales had failed to set
    forth facts requiring the issuance of the writ. It wrote:
    At most, there are new indications that during the
    period 1979-1988, various residents of the Los
    Angeles County jail developed successful schemes
    for fabricating jailhouse confessions by other
    inmates, and that these practices were ignored or
    even encouraged by the authorities. However, noth-
    ing in the materials before us identifies Acker as a
    participant in the schemes alleged. Nor is there any
    specific indication that the prosecution’s files would
    yield information that substantially undermines
    Acker’s testimony. . . . [T]here is no postconviction
    right to “fish” through official files for belated
    grounds of attack on the judgment, or to confirm
    mere speculation or hope that a basis for collateral
    relief may exist.
    
    Id.
     (footnotes omitted).
    The California Supreme Court thus concluded that despite
    the revelations of the District Attorney’s massive use of per-
    jured testimony of jailhouse informants; despite the District
    Attorney’s failure to establish any database system concern-
    ing jailhouse informants for fear that such a system would
    undermine the effectiveness of their testimony at trial; despite
    the similarities between Acker’s story and the schemes
    detailed in the Grand Jury report; and despite the state’s assur-
    ance in its letters to defense attorneys that it wanted any prob-
    lems concerning jailhouse informants to be aired in court,
    Gonzales’s attempt to discover potential Brady material con-
    cerning the jailhouse informant’s testimony in his case was a
    fishing expedition. The Court ended its opinion: “We expect
    and assume that if the People’s lawyers have [Brady] infor-
    mation in this or any other case, they will disclose it promptly
    and fully.” 
    Id. at 1206
    .
    GONZALEZ v. WONG                 20759
    D.    Psychiatric Reports
    The Court’s stated expectation and assumption were wrong.
    The state disclosed nothing to Gonzales voluntarily. Gonzales
    finally obtained a discovery order in his habeas proceeding in
    federal court. Under compulsion of the federal court order, the
    state finally revealed previously undisclosed information
    about Acker. The most damning information was contained in
    six psychiatric reports prepared while Acker was incarcerated
    in California prisons. If the California Supreme Court had
    allowed the discovery that Gonzales had sought — and indeed
    had been granted by the trial court — these reports would
    have been in the state court record on state habeas.
    These psychiatric reports could have been used to impeach
    Acker in three ways. First, they demonstrate that Acker was
    willing to lie and manipulate prison medical staff in order to
    get what he wanted. Psychiatric evaluations reveal that Acker
    admitted attempting or faking suicide on three occasions in
    order to obtain prison transfers. A 1972 Psychiatric Evalua-
    tion reported that Acker admitted that he had faked suicide at
    the Norwalk Receiving Center in order to be placed in the
    hospital, from which it would be easier to escape. A 1973
    Psychiatric Evaluation reported an attempted hanging, this
    time in the California Men’s Colony (“CMC”) East Facility.
    The Evaluation noted that Acker “stated that that was only a
    gesture designed to prevent his egress from CMC East.”
    Finally, a 1974 report describes another suicide attempt in
    April or May of that year at K-Wing of the Duel Vocational
    Institution (“D.V.I.”). Acker stated “that he made a suicidal
    gesture in order to get out of K-Wing at D.V.I.” He claimed
    that “his suicidal gesture was the only way that he could get
    out of D.V.I.’s K-Wing. Claims that if he ever goes back [to]
    that madness again at D.V.I. he will attempt the same thing
    again; namely, a suicidal gesture.”
    Many of the psychiatric evaluations specifically noted
    Acker’s manipulative behavior. One psychiatrist reported that
    20760                  GONZALEZ v. WONG
    Acker asked, “and it was my distinct impression that this was
    made in all seriousness, as to ‘how much money would it take
    to give me a good report.’ ” Another psychiatrist described
    Acker as “the type of an individual who was constantly test-
    ing me.” In a diagnostic study prepared for Acker’s sentenc-
    ing for his murder conviction, Dr. Flanagan, who examined
    Acker, recommended that Acker be “considered capable of
    any measure of brutality in the service of achieving what he
    wants to do.” He further described him as “intelligent, manip-
    ulative, [and] unscrupulous.” The Social Evaluation included
    in the diagnostic study noted that Acker had been “offered
    therapy in the past and has used it as a tool to get out of prison
    early and has not attempted to use it as a tool to change his
    own behavior.” This evidence of Acker’s lying and manipula-
    tion would have been extremely valuable to Gonzales, as Ben-
    cangey had no examples during trial of Acker either lying or
    manipulating to his own advantage. The evidence shows the
    extent to which Acker was willing to go to obtain prison
    transfers, the precise reason he testified he was informing
    against Gonzales. Jurors could easily have concluded that if
    Acker was willing to repeatedly fake suicide to obtain a
    prison transfer, he would be willing to fabricate a confession
    to obtain such a transfer.
    Second, these reports could have been used to impeach
    Acker on his claim that he had started testifying because he
    wanted to achieve a new “moral balance.” As I describe
    above, Acker had testified that one of his primary motivations
    for giving information to the authorities in Gonzales’s case
    was to turn his life around and to do the right thing. In 1972,
    Acker had told Dr. Land that he was now on the right path
    because he had “undergone a religious experience” and he
    “believes he has found the true religion.” After this claimed
    conversion, Acker was released from prison. Acker then com-
    mitted first-degree murder and numerous robberies. That
    Acker had previously lied about turning his life around in
    order to obtain his release from prison, and that in fact he had
    not turned his life around, would have substantially under-
    GONZALEZ v. WONG                    20761
    mined his claim at Gonzales’s trial that he was testifying
    because he wanted to achieve a new “moral balance.”
    Third, these reports could have been used as evidence of
    Acker’s mental illness. Acker was diagnosed with “schizo-
    phrenia, chronic, undifferentiated type” as early as 1974. In
    1975, he was diagnosed with “[s]chizophrenia, residual type.”
    A 1977 report noted that Acker “has a severe personality dis-
    order, and he has previously been diagnosed as schizophre-
    nic.” It further described him as “mentally unstable.” We have
    repeatedly recognized the impeachment power of mental ill-
    ness. See, e.g., Silva v. Brown, 
    416 F.3d 980
     (9th Cir. 2005).
    During discovery for his federal habeas claim, Gonzales
    was allowed to take Acker’s deposition. Acker’s response to
    being confronted with these reports in his deposition suggests
    how he would have responded on the witness stand during
    trial. First, Acker repeatedly denied making suicidal gestures
    to obtain transfers and denied bribing prison psychiatrists.
    When confronted with the report from Dr. Land that he had
    admitted to having faked suicide in order to be placed in the
    hospital, Acker responded, “I don’t even know this dude,” and
    denied that this had occurred. When confronted with another
    report about the same incident, Acker described the report as
    “a totally bogus statement right there.” When confronted with
    the report in which he had admitted that his suicidal gesture
    was the only way to get out of D.V.I.’s K-Wing, Acker denied
    making the statement, saying, “That never happened, man.”
    When confronted with another report about the K-Wing inci-
    dent, Acker said, “I don’t think I ever said that. And if I did,
    I lied.” Finally, in responding to Dr. Malloy’s report, which
    recounted Acker’s attempt to bribe him, Acker denied the
    incident, describing the report as “full of shit, man.” Second,
    Acker attacked the psychiatrists who evaluated him. When
    asked whether Dr. Flanagan was lying when he stated that
    Acker would do anything to get what he wanted, Acker
    responded, “Dr. Flanagan is full of crap.” He further stated,
    while Gonzales’s federal habeas attorney was preparing a
    20762                  GONZALEZ v. WONG
    question, “If they’re psychiatrist things, don’t go there, man,
    because they’re all mostly bogus.”
    Acker’s psychiatric reports, combined with his response to
    those reports, would have severely undermined Acker’s credi-
    bility at trial. The reports would have revealed that obtaining
    a prison transfer was so important to Acker that he was will-
    ing to fake suicide, manipulate medical professionals, and
    bribe a prison psychiatrist. Acker’s responses to these reports
    on the stand would have revealed Acker as a liar, consistently
    denying events reported by prison psychiatrists.
    Gonzales, however, did not have these reports during trial,
    for the state had successfully concealed them. Gonzales also
    did not have these reports during his state habeas proceeding,
    for the state, assisted by the ruling of the California Supreme
    Court, had again successfully concealed them.
    E.   Pinholster
    I believe we can consider the six psychiatric reports consis-
    tent with the Supreme Court’s decision in Pinholster. I would
    hold that when a petitioner’s inability to present Brady evi-
    dence to the state courts is due to the refusal of the state court
    to allow appropriate discovery, Pinholster does not bar fed-
    eral courts from considering that evidence in the first instance.
    Pinholster does not answer the question whether federal
    courts can consider evidence that a petitioner tried to discover
    in state court, but was prevented from discovering by the state
    court. Justice Sotomayor stated in her dissent in Pinholster, “I
    assume that the majority does not intend to suggest that
    review is limited to the state-court record when a petitioner’s
    inability to develop the facts supporting his claim was the
    fault of the state court itself.” 131 S. Ct. at 1417 n.5. Justice
    Sotomayor cited the oral argument transcript in Bell v. Kelly,
    a case in which this question was presented, but in which the
    Supreme Court dismissed certiorari as improvidently granted.
    GONZALEZ v. WONG                    20763
    Bell v. Kelly, 
    553 U.S. 1031
    , 1031 (2008) (granting certiorari
    on question of whether § 2254(d) applies to a claim predi-
    cated on evidence the state court refused to consider and that
    was properly received for the first time in an evidentiary hear-
    ing on federal habeas); Bell v. Kelly, 
    555 U.S. 55
    , 55 (2008)
    (dismissing certiorari as improvidently granted). The majority
    in Pinholster never contradicted Justice Sotomayor’s assump-
    tion.
    The state-court procedural history in Pinholster bears no
    resemblance to this case. Pinholster made an ineffective assis-
    tance of counsel claim in his state habeas petition. Pinholster,
    
    131 S. Ct. at 1396
    . He relied primarily on the medical diagno-
    sis of a single psychiatrist. 
    Id.
     On federal habeas, Pinholster
    presented evidence from two new medical experts who diag-
    nosed him with organic personality syndrome and partial epi-
    lepsy and brain injury. 
    Id. at 1397
    . Pinholster could have
    presented the opinions of these experts to the state court.
    Indeed, the question presented in Pinholster was “[w]hether
    a federal court may reject a state-court adjudication of a peti-
    tioner’s claim as ‘unreasonable’ . . . based on a factual predi-
    cate for the claim that the petitioner could have presented to
    the state court but did not.” Pet. for Writ of Cert., Pinholster,
    
    131 S. Ct. 1388
     (No. 09-1088). The focus of the oral argu-
    ment in Pinholster was on evidence that could have been
    presented in state court. See, e.g., Transcript of Oral Argu-
    ment at 29, Pinholster, 
    131 S. Ct. 1388
     (No. 09-1088) (Justice
    Kennedy: “Was it the court relied on different evidence, evi-
    dence that was not in the State hearing? And that’s the ques-
    tion, whether or not they can do that, if this evidence could
    have been presented. And certainly it could have been pre-
    sented.”); id. at 38 (Justice Alito: “The factual predicate of the
    claim is the new evidence that’s brought forward in . . . the
    Federal proceeding, and unless there is a good reason why
    that wasn’t brought forward in the State proceeding, it
    shouldn’t be considered.”).
    Based on the revelations of the Los Angeles District Attor-
    ney’s use of perjured testimony, Gonzales knew during his
    20764                  GONZALEZ v. WONG
    state habeas proceedings that there was a strong probability
    that there was undisclosed Brady material about Acker. Gon-
    zales also had letters from the state effectively inviting him to
    file a discovery motion seeking such material. The state trial
    judge who had presided over Gonzales’s trial granted his
    post-trial discovery motion. But Gonzales was opposed on all
    fronts by the state, and rejected on all fronts by the California
    Supreme Court. Unlike Pinholster, who could have put the
    relevant evidence before the state court but failed to do so,
    Gonzales tried every means possible for putting the evidence
    before the state court, but was prevented from doing so by the
    combined actions of the prosecutor and the state Supreme
    Court.
    As Judge Clifton’s opinion in this case notes, some of the
    language in Pinholster could be read to cover this case. How-
    ever, given that the language in Pinholster goes beyond the
    question before the Court, and given the dramatic differences
    between Pinholster and this case, I would not read the lan-
    guage broadly to cover the case before us. “It is a maxim not
    to be disregarded, that general expressions, in every opinion,
    are to be taken in connection with the case in which those
    expressions are used. If they go beyond the case, they may be
    respected, but ought not to control the judgment in a subse-
    quent suit when the very point is presented for decision.”
    Cent. Va. Cmty. College v. Katz, 
    546 U.S. 356
    , 363 (2006)
    (quoting Cohens v. Virginia, 19 U.S. (6 Wheat.) 264, 399-400
    (1821)). I therefore read Pinholster as leaving open the ques-
    tion whether federal courts can consider new evidence in a
    § 2254(d)(1) case when the petitioner’s failure to introduce
    the evidence in state court was, as here, the “fault of the state
    court itself.”
    I would hold that we can consider such evidence. A long-
    standing rationale for excluding new evidence is that federal
    courts should not reward petitioners whose failure to intro-
    duce evidence in state court was due to their lack of diligence.
    This diligence requirement is codified in 28 U.S.C.
    GONZALEZ v. WONG                    20765
    § 2254(e)(2), which generally bars the introduction of evi-
    dence on federal habeas if the petitioner “has failed to develop
    the factual basis of a claim in State court proceedings.” The
    Supreme Court has held that a petitioner has not “failed to
    develop” the factual basis of a claim when the petitioner was
    “not at fault” for the failure. See Holland v. Jackson, 
    542 U.S. 649
    , 652-53 (2004) (citing Williams v. Taylor, 
    529 U.S. 420
    ,
    431-37 (2000)). Before Pinholster, courts of appeal inter-
    preted the diligence requirement in § 2254(e)(2) as the only
    limitation on the introduction of new evidence in federal
    court. See Pinholster, 
    131 S. Ct. at 1417
     (Sotomayor, J., dis-
    senting) (“The majority charts a . . . novel course that, so far
    as I am aware, no court of appeals has adopted.”). So long as
    the petitioner had satisfied the requirements of § 2254(e)(2),
    courts of appeal had held that federal courts could consider
    new evidence even for a claim governed by § 2254(d)(1).
    In Pinholster, the Court emphasized a different rationale
    than lack of diligence by the petitioner for refusing to con-
    sider evidence presented for the first time to a federal court.
    The Court held that for a federal court to conclude that a state
    court “unreasonabl[y] appli[ed]” federal law based on evi-
    dence that was not before it is to bypass the state court’s
    decision-making process. The Court’s holding was “com-
    pelled by the broader context of the statute as a whole, which
    demonstrates Congress’ intent to channel prisoners’ claims
    first to the state courts.” Pinholster, 131 S. Ct. at 1398-99
    (internal quotation marks and citations omitted). It was based
    on prior cases holding that “review under § 2254(d)(1)
    focuses on what a state court knew and did.” Id. at 1399.
    The Court’s interpretation of the “unreasonable applica-
    tion” language as barring the introduction of new evidence in
    federal court makes sense when the petitioner’s failure to
    introduce the evidence in federal court was unrelated to any
    defect in the state court process. However, when a petitioner’s
    failure to introduce evidence before the state court is due to
    the state court’s unwarranted refusal to allow the petitioner to
    20766                 GONZALEZ v. WONG
    discover the evidence, consideration of the new evidence by
    the federal court is appropriate. The state court had the oppor-
    tunity to obtain and consider the evidence, but chose not to do
    so.
    In this case, the state court was presented with the same
    well-founded discovery request that, in federal court, revealed
    the undisclosed Brady material. In ruling on Gonzales’s dis-
    covery request, the state Supreme Court knew that the Los
    Angeles District Attorney’s office had been regularly using
    the testimony of jailhouse informants who were unreliable
    and had given perjured testimony. It knew that Acker was a
    jailhouse informant whose story was very similar to the sto-
    ries of many of the perjuring informants discussed in the
    Grand Jury report. It knew that the District Attorney’s office
    had told Gonzales’s counsel, as well as the counsel for other
    defendants, that “the courtroom is the appropriate forum in
    which to fully explore” issues relating to jailhouse informants,
    but that the office had then opposed all discovery requests.
    And it knew that the judge who had presided over Gonzales’s
    trial, and who knew the case intimately, had been persuaded
    to grant discovery.
    The California Supreme Court nevertheless blocked Gon-
    zales’s attempts to obtain discovery to investigate Acker’s
    reliability. As Justice Broussard noted in his dissent to the
    Supreme Court’s decision, “whatever defendant tries, the
    majority find a technical barrier.” Gonzalez, 
    800 P.2d at 1219
    (Broussard, J., dissenting).
    Specifically, the majority conclude that (a) defendant
    cannot get discovery in connection with his auto-
    matic appeal because the appeal is limited to the
    appellate record; (b) he cannot get discovery in an
    independent trial court action because discovery
    must be ancillary to a pending proceeding; (c) he
    cannot get discovery in connection with his pending
    habeas corpus petition because the issue of Acker’s
    GONZALEZ v. WONG                    20767
    perjury is not within the scope of the order to show
    cause; and, (d) even taking into account new allega-
    tions of Acker’s perjury and new evidence which
    gives plausibility to those allegations, he cannot
    obtain discovery by filing a new habeas corpus pro-
    ceeding alleging Acker’s perjury because, without
    discovery, he cannot allege sufficient facts proving
    Acker’s perjury to state a prima facie case. In short,
    the majority pose a perfect “Catch—22” logical
    conundrum, under which defendant cannot obtain
    discovery of the law enforcement records because
    without the information contained in those records
    he cannot file an action that would support discov-
    ery.
    
    Id.
     In this circumstance, when the state court was faced with
    the same well-founded discovery request later presented to the
    federal court, it does not serve AEDPA’s goals to send the dil-
    igent petitioner back to the very state court that blocked his
    attempt to discover the evidence in the first place.
    Reading Pinholster to apply to a case where petitioner’s
    failure to introduce the relevant evidence in state court is the
    fault of that court is inconsistent with one of the traditional
    purposes of federal habeas relief, which is to remedy inade-
    quate state court factfinding. In Townsend v. Sain, the
    Supreme Court held that a federal district court must grant an
    evidentiary hearing to a habeas applicant if “the fact-finding
    procedure employed by the state court was not adequate to
    afford a full and fair hearing.” 
    372 U.S. 293
    , 313 (1963),
    overruled on other grounds by Keeney v. Tamayo-Reyes, 
    504 U.S. 1
    , 5-6 (1992). The “adequacy of a state-court procedure
    under Townsend is largely a function of the circumstances and
    the interests at stake. In capital proceedings generally, this
    Court has demanded that factfinding procedures aspire to a
    heightened standard of reliability.” Ford v. Wainwright, 
    477 U.S. 399
    , 411 (1986). To hold that an improper state court
    denial of discovery necessary to develop a federal constitu-
    20768                 GONZALEZ v. WONG
    tional claim prevents a federal court from considering in the
    first instance evidence discovered during federal habeas
    unnecessarily binds the federal court to the inadequate fact-
    finding of the state court.
    I would therefore hold that Pinholster does not bar our con-
    sideration of the evidence discovered by Gonzales. I would
    not reach the question of whether the Brady claim Gonzales
    raised in federal court is sufficiently distinct from the claim
    he raised in state court to constitute a “new claim.” See Pin-
    holster, 
    131 S. Ct. at
    1401 n.10; 
    id. at 1417-19
     (Sotomayor,
    J., dissenting).
    Conclusion
    I fully concur in the general application of Rhines to cases
    in which new evidence is introduced on federal habeas. How-
    ever, for the reasons I have just given, I believe that in this
    case we have the authority, consistent with Pinholster, to
    decide Gonzales’s Brady claim now. I would prefer to exer-
    cise that authority.
    O’SCANNLAIN, Circuit Judge, dissenting in part:
    I concur in most of the court’s lead opinion today. With
    respect, however, I must dissent from its reversal and remand
    of Gonzales’s claims pertaining to the alleged suppression of
    impeachment evidence. The test the lead opinion crafts
    directly conflicts with the Supreme Court’s recent holding
    that “evidence introduced in federal court has no bearing” on
    claims that have been adjudicated on the merits before a state
    court. Cullen v. Pinholster, 
    131 S. Ct. 1388
    , 1400 (2011).
    I
    As the lead opinion and the concurrence thoroughly dis-
    cuss, Jesse Gonzales stands convicted of the intentional mur-
    GONZALEZ v. WONG                    20769
    der of Los Angeles County Sheriff’s Deputy Jack Williams.
    Gonzales has never denied that he killed his victim or that he
    intended to do so. Therefore, the only issue at his trial was
    whether he knew that Deputy Williams was a peace officer in
    the pursuit of his duties.
    A primary issue throughout Gonzales’s quest for post-
    conviction relief has been whether he had sufficient opportu-
    nity to impeach William Acker, a fellow inmate who testified
    that Gonzales confessed to wanting to “bag a cop.” See Peo-
    ple v. Gonzalez, 
    800 P.2d 1159
    , 1166 (Cal. 1990). As a result,
    the issue in this appeal is whether the California courts have
    already adjudicated this claim on the merits.
    Acker told largely the same story regarding Gonzales’s
    confession at the guilt phase trial and at both penalty phase
    trials in the state court. See 
    id. at 1166-68
    . With every
    recounting, defense counsel more aggressively and exten-
    sively attacked the story’s credibility. By the time the second
    penalty jury handed down its verdict, Acker had admitted that
    he testified in order to motivate authorities to transfer him to
    an out-of-state facility, that he was capable of lying to achieve
    his purposes, and that he had given information in more than
    half a dozen other cases, both before and after Gonzales’s
    trial. 
    Id. at 1168
    .
    Nonetheless, in state post-conviction proceedings, Gon-
    zales argued that by failing to disclose a complete picture of
    Acker’s interactions with the police, prosecutors deprived him
    of a fair opportunity to cross-examine Acker in violation of
    Brady v. Maryland, 
    373 U.S. 83
     (1963). He also argued that
    his attorney provided constitutionally deficient counsel under
    Strickland v. Washington, 
    466 U.S. 668
     (1984) by failing to
    discover this impeachment evidence.
    The California Supreme Court soundly rejected these argu-
    ments, noting that at all stages of the trial, “cross-examination
    . . . [had] exposed evasiveness and inconsistencies in Acker’s
    20770                  GONZALEZ v. WONG
    claims about the exact nature of his relationship with the
    authorities.” Gonzalez, 
    800 P.2d at 1193
    . It found that the
    “additional details [discovered by Gonzales during state pro-
    ceedings did] not paint a significantly different picture of
    Acker’s character and motives than appears on the record.”
    
    Id.
     And it held that “[e]ven if this information was overlooked
    by trial counsel or should have been proffered by the prosecu-
    tion, its omission was harmless beyond a reasonable doubt
    and does not undermine confidence in the guilt or penalty ver-
    dicts.” 
    Id.
    In September 1996, Gonzalez petitioned for a federal writ
    of habeas corpus. Discovery in the federal proceeding
    revealed a total of six newly-obtained psychological reports,
    each of which drew a different conclusion about Acker’s
    mental health. Memorandum and Order Denying Petitioner’s
    Second Motion for Reconsideration, No 2:95-cv-02345-JVS,
    (C.D. Cal. 2008) (hereinafter “Second Reconsideration
    Order”). Acker’s first examination in August 1972 revealed
    “no evidence of psychosis.” Id. at 33. In 1973, doctors noted
    that Acker was “depressive” and that he had “an extremely
    poor image of himself.” Id. at 30 (internal quotation marks
    omitted). It was not until June 1974 that anyone suggested
    that Acker had schizophrenia. Id. at 31. A second opinion
    given only a month later found no “overt psychiatric condi-
    tion.” Id. at 33. In 1975, a staff psychologist once again men-
    tioned schizophrenia. Id. at 32. But in his most recent
    evaluation, Chief Psychiatrist R.L. Flanagan refused as unnec-
    essary Acker’s requested psychiatric medication. Id. 28-30.
    At most, these reports suggest that Acker has an antisocial
    personality and that he tries to manipulate the prison system
    to obtain transfers to his preferred place of detention. The dis-
    trict court concluded that while “the investigation ‘increased
    the quantity and the quality of possible impeachment matter
    against Acker,’ ” the withheld information was not material
    because Acker was already extensively impeached and was
    not the only evidence relating to the special circumstance.
    GONZALEZ v. WONG                    20771
    Second Reconsideration Order at 40 (quoting Order on
    Respondent’s (sic) [First] Motion for Reconsideration, No
    2:95-cv-02345-JVS, (C.D. Cal. 2003)). As such, the court
    denied him habeas relief. Id. at 52, 77.
    II
    Because Gonzalez filed his habeas petition after April 24,
    1996, our authority to grant him relief is limited by the
    Antiterrorism and Effective Death Penalty Act (“AEDPA”).
    See Lindh v. Murphy, 
    521 U.S. 320
    , 326 (1997). As the
    Supreme Court has repeatedly reminded us, we may not grant
    relief in an AEDPA case just because we would have come
    to a different conclusion regarding a particular prisoner’s
    claim. See Harrington v. Richter, 
    131 S. Ct. 770
    , 786 (2011).
    Instead “[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.” 
    Id.
     (quoting Yarborough v. Alvarado, 
    541 U.S. 652
    , 664 (2004)).
    Applying this standard, the lead opinion properly deter-
    mines that the California Supreme Court’s finding of “no
    prejudice [from any failure to provide Brady information],
    based on the material known to it at the time of its decision,
    was not unreasonable.” Slip op. at 20706 n.10.
    Rather than consigning this conclusion to a footnote, we
    should have made it the end of our review. Just last Term, the
    Court unequivocally held that “[i]f a claim has been adjudi-
    cated on the merits by a state court, a federal habeas petitioner
    must overcome the limitation of § 2254(d)(1) on the record
    that was before that state court.” Pinholster, 
    131 S. Ct. at 1400
    . Because “evidence introduced in federal court has no
    bearing on § 2254(d)(1) review,” a state court’s decision on
    20772                      GONZALEZ v. WONG
    the merits simply may not be impugned on the basis of such
    evidence.1
    III
    Apparently displeased that we may not grant Gonzales
    habeas relief based upon information introduced in federal
    court, the lead opinion today patches together an end run
    around Pinholster’s holding from (1) a hypothetical problem
    cited in its dissent, (2) a hypothetical solution posed in a con-
    currence, (3) a footnote in the majority opinion responding to
    both, and (4) an incredibly broad definition of the word “claim.”2
    Writing in dissent in Pinholster, Justice Sotomayor rumi-
    nated about the plight of a defendant who discovers additional
    evidence of prosecutorial misconduct after he exhausts all
    possible methods of relief. In her hypothetical, the defen-
    dant’s initial habeas petition brings an unsuccessful Brady
    claim. Id. at 1418. The defendant then discovers additional
    1
    Given the Court’s deliberate use of the term “hold” and the centrality
    of the question to the case, I am perplexed by the concurrence’s attempt
    to dismiss this language as dicta. There simply is no open question of
    “what federal courts should do when confronted with . . . evidence” not
    yet presented to the state court. Slip op. at 20737. If “evidence introduced
    in federal court has no bearing on § 2254(d)(1) review,” Pinholster, 
    131 S. Ct. at 1400
    , it has no influence in federal habeas petitions.
    2
    Responding to Part III of the lead opinion, I respectfully must insist
    that it creates an unacceptably broad definition of what constitutes a new
    claim. Otherwise, it is unclear on what basis it may grant any relief. For
    if—as the lead opinion’s response seems to concede—Gonzales’s claim is
    not new, AEDPA’s “backward-looking language requires an examination
    of the state-court decision at the time it was made.” Pinholster, 131 S. Ct.
    at 1400 (emphasis added). Developments in the record or in the law
    between the last state decision on the merits and our review on habeas are
    simply irrelevant. Id.; see also Greene v. Fisher, No. 10-637, 
    2011 WL 5335411
     (U.S. Nov. 8, 2011). As is whether we think that “focus[ing] on
    what a state court knew and did,” Pinholster, 
    131 S. Ct. at 1399
    , creates
    “an unjust and illogical result,” slip op. at 2-736. Because that is precisely
    what Congress has said, Pinholster, 
    131 S. Ct. at 1399
    , it is precisely what
    “the law requires.” Slip op. at 20736.
    GONZALEZ v. WONG                         20773
    exculpatory statements that were suppressed by the prosecu-
    tion, but “state law would not permit the petitioner to present
    the new evidence in a successive petition.” 
    Id.
     (citing Virginia
    state law). In a footnote, the Court majority suggested that in
    such circumstances, the defendant “may well present a new
    claim.” 
    Id.
     at 1401 n.10; see also 
    id. at 1412
     (Breyer, J. con-
    curring). It refused, however, to adopt Justice Sotomayor’s
    view. 
    Id.
     at 1401 n.10.
    Ignoring the fact that unlike Justice Sotomayor’s hypotheti-
    cal prisoner Gonzales could, and should, have sought to file
    a new state petition,3 the court today snatches that suggestion
    and treats it as the law. Then, without analysis, the court con-
    cludes that rather than entering “new evidence [which] merely
    bolsters [his old] Brady claim,” 
    id. at 1418
    , Gonzales has
    presented an entirely new claim. Slip op. at 20701. Slip op.
    at 20737 (Fletcher, W., concurring) (“I agree with Judge Clif-
    ton, that we may treat [evidence that was not before the state
    court] in the same way we treat unexhausted claims.”). The
    lead opinion places no limits on this conclusion other than
    that the state court could reasonably find in Gonzales’s favor.
    I cannot ascribe to this view. Not only does it virtually
    ignore Pinholster, it is inconsistent with prior Supreme Court
    case law that has carefully distinguished between “the presen-
    tation of additional facts to the district court” and “the sub-
    stance of [a petitioner’s] claim.” Vasquez v. Hillery, 
    474 U.S. 254
    , 258 (1986). Until today, we have never treated new evi-
    dence to be an entirely new claim unless it “place[d] the case
    in a significantly different . . . evidentiary posture.” Aiken v.
    Spalding, 
    841 F.2d 881
    , 883 (9th Cir. 1988) (internal quota-
    tion marks omitted); see also 
    id. at 884
     (Poole, J., dissenting)
    (requiring that the new evidence “fundamentally alter[ ] the
    nature of [the] claim” for relief).
    3
    California has a general “policy . . . to deny a new application unless
    there has been a change in the facts or law,” but its Supreme Court has
    long held that “this policy is discretionary.” In re Bevill, 
    442 P.2d 679
    ,
    684 n.9 (Cal. 1968).
    20774                  GONZALEZ v. WONG
    Furthermore, the lead opinion’s conclusion severely under-
    mines “AEDPA’s goal of promoting . . . finality,” Pinholster,
    
    131 S. Ct. at 1401
     (internal quotation marks omitted) and of
    “ ‘reduc[ing] delays in the execution of state and federal crim-
    inal sentences, particularly in capital cases.’ ” Rhines v.
    Weber, 
    544 U.S. 269
    , 276 (2005) (quoting Woodford v. Gar-
    ceau, 
    538 U.S. 202
    , 206 (2003)).
    While the lead opinion appeals to comity and federalism as
    alternative purposes of AEDPA, its opinion does little, if any-
    thing to serve these important considerations. Its rule as to
    what constitutes a “new claim” arguably entitles state court
    prisoners to the opportunity to re-litigate any claim so long as
    they introduce some modicum of new evidence that, when
    aggregated with the existing evidence, would allow a reason-
    able state court to find in the petitioner’s favor. It is difficult
    to see how federalism and comity are served by requiring the
    state courts to reconsider so many “new claims” while a fed-
    eral habeas court looms in the background.
    IV
    Gonzales’s Brady and Strickland claims are not new. As in
    the state court, he alleges that the prosecutors violated their
    Brady obligation by failing to disclose impeachment evidence
    pertaining to Acker. While the specific items about which he
    complains are different, the claim relates to the same duty by
    the same prosecutor as it pertained to the same witness. Noth-
    ing in the new evidence “place[s] the case in a significantly
    different evidentiary posture” when compared to the appropri-
    ate standard. Aiken, 
    841 F.2d at 883-84
     (internal quotation
    marks omitted).
    Because this is an AEDPA case, we may grant habeas relief
    only if “the state court confronts a set of facts materially
    indistinguishable from those at issue in a decision of the
    Supreme Court and, nevertheless, arrives at a result different
    from its precedent.” Lambert v. Blodgett, 
    393 F.3d 943
    , 974
    GONZALEZ v. WONG                          20775
    (9th Cir. 2004) (citing inter alia Lockyer v. Andrade, 
    538 U.S. 63
    , 73(2003)). The lead opinion cites no such case. The
    Supreme Court case on which its analysis depends, Banks v.
    Dretke, 
    540 U.S. 668
     (2004), is easily distinguishable from
    Gonzales’s situation. There, the prosecutor concealed that the
    witness at the heart of his case was a paid informant. 
    Id. at 702
    . As a result, the defense was able to impeach this witness
    using only two other witnesses who were themselves
    impeached and evidence of drug use that the prosecutor was
    able to turn to his advantage. 
    Id.
     Under such circumstances,
    the Court concluded that the concealed evidence was not
    cumulative. 
    Id.
    By contrast, as the district court found here, Acker was “ex-
    tensively impeached” based on his own admissions of his
    willingness and motivation to lie. Second Reconsideration
    Order at 63. And such secondary evidence of his propensity
    to lie was, in fact, cumulative. His testimony was also “less
    central than the petitioner [and now the lead opinion and the
    concurrence] would have [us] believe.” 
    Id.
     As the lead opin-
    ion notes, to have the necessary special circumstance, Gon-
    zales need only have known that Williams was a peace officer
    in the performance of his duties when he pulled the trigger.
    Slip op. at 20730-31 & n.16. The testimony of several police
    officers regarding the implausibility of Gonzales’s story also
    went to that point. As such, the state court could reasonably
    deny Gonzales relief without violating Banks, and Gonzales
    is not in a fundamentally different evidentiary position.4
    That this newly discovered evidence does not present a new
    claim is even more apparent with Gonzales’s arguments based
    4
    In an AEDPA case, our prior case law may serve only as persuasive
    authority, Mejia v. Garcia, 
    534 F.3d 1036
    , 1042 (9th Cir. 2008). And sim-
    ilar considerations make the lead opinion’s analogy to cases such as Silva
    v. Brown unpersuasive. 
    416 F.3d 980
    , 984, 989 (9th Cir. 2005) (conclud-
    ing that impeachment evidence regarding a witnesses whose testimony
    “the district attorney . . . agreed. . . would be necessary to convict” the
    defendant was material).
    20776                  GONZALEZ v. WONG
    on Strickland. If Gonzales’s attorney did not violate profes-
    sional standards by not discovering Acker’s other criminal
    convictions, which were matters of public record, see Gon-
    zales, 800 P.3d at 1193 (declining to fault Gonzales’s attorney
    for failing to discover additional evidence to impeach Acker),
    he could not have committed such a violation by failing to
    discover the contents of Acker’s psychological reports, which
    were not similarly available. Second Reconsideration Order at
    49-50 (discussing this Strickland claim).
    V
    Even if the lead opinion and the concurrence were correct
    and the psychological reports fundamentally altered the nature
    of Gonzales’s claims, it still errs by ordering the district court
    to retain jurisdiction while Gonzales exhausts these claims. In
    Rhines, the Court concluded that a district court may in its
    discretion stay and abate a federal habeas petition, but “only
    in limited circumstances.” 
    544 U.S. at 277
    . The Court warned
    that “[s]tay and abeyance, if employed too frequently, has the
    potential to undermine the[ ] . . . purposes” of AEDPA. 
    Id.
     In
    particular, the Court instructed that the petition “should not be
    stayed indefinitely. . . . And if a petitioner engages in abusive
    litigation tactics or intentional delay, the district court should
    not grant him a stay at all.” 
    Id. at 277-78
    .
    Contrary to the lead opinion’s assertion, Gonzales has
    engaged in intentionally dilatory litigation tactics. He learned
    of the psychological reports in 2003. Second Reconsideration
    Order at 28. But, rather than requesting a stay so that he could
    present the supposedly new claims in the State courts, Gonza-
    lez pressed ahead with not one, but two motions for reconsid-
    eration. As a result, the State has been arguing lack of
    exhaustion for the better part of a decade, id. at 41 (discussing
    the State’s opposition to the First Motion for Reconsidera-
    tion), yet Gonzales never sought to stay the federal proceed-
    ings to go back to the state court.
    GONZALEZ v. WONG                  20777
    For the forgoing reasons, while I join most of the court’s
    lead opinion, I respectfully dissent from its decision to
    remand Gonzales’s claims.
    

Document Info

Docket Number: 08-99025

Citation Numbers: 667 F.3d 965

Judges: Clifton, Diarmuid, Fletcher, O'Scannlain, Richard, William

Filed Date: 12/7/2011

Precedential Status: Precedential

Modified Date: 8/5/2023

Authorities (58)

United States v. Herbert Alan Butt, A/K/A Alan Butt, United ... , 955 F.2d 77 ( 1992 )

David Ronald Chandler v. United States , 218 F.3d 1305 ( 2000 )

Maxwell v. Roe , 628 F.3d 486 ( 2010 )

James W. Chambers v. Michael Bowersox, Warden , 157 F.3d 560 ( 1998 )

Richard Boyde v. Jill Brown, Warden of California State ... , 404 F.3d 1159 ( 2005 )

United States v. Kohring , 637 F.3d 895 ( 2011 )

James F. Horton, II v. Deneice Mayle, Warden , 408 F.3d 570 ( 2005 )

Benjamin Wai Silva v. Jill Brown, Warden , 416 F.3d 980 ( 2005 )

Fred Berre Douglas v. Jeanne S. Woodford, Warden, of Rswl ... , 316 F.3d 1079 ( 2003 )

Arthur Nathaniel Aiken v. James Spalding, Superintendent, ... , 841 F.2d 881 ( 1988 )

Leonard James McSherry v. Sherman Block, Sheriff , 880 F.2d 1049 ( 1989 )

Jaturun SIRIPONGS, Petitioner-Appellant, v. Arthur CALDERON,... , 133 F.3d 732 ( 1998 )

Donald Eugene Lambert v. James Blodgett, Donald Eugene ... , 393 F.3d 943 ( 2004 )

Mejia v. Garcia , 534 F.3d 1036 ( 2008 )

People v. Curtis , 70 Cal. 2d 347 ( 1969 )

Woodford v. Garceau , 123 S. Ct. 1398 ( 2003 )

Burger v. Kemp , 107 S. Ct. 3114 ( 1987 )

United States v. Price , 566 F.3d 900 ( 2009 )

People v. Gonzalez , 51 Cal. 3d 1179 ( 1990 )

Gary Benn v. John Lambert, Superintendent of the Washington ... , 283 F.3d 1040 ( 2002 )

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