Cooper v. Brown ( 2007 )


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  •                                              Volume 1 of 4
    FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    KEVIN COOPER,                          
    Petitioner-Appellant,        No. 05-99004
    v.
          D.C. No.
    CV-04-00656-H
    JILL L. BROWN, Warden, California
    State Prison at San Quentin,                 OPINION
    Respondent-Appellee.
    
    Appeal from the United States District Court
    for the Southern District of California
    Marilyn L. Huff, District Judge, Presiding
    Argued and Submitted
    January 9, 2007—San Francisco, California
    Filed December 4, 2007
    Before: Pamela Ann Rymer, M. Margaret McKeown, and
    Ronald M. Gould, Circuit Judges.
    Opinion by Judge Rymer;
    Concurrence by Judge McKeown
    15663
    COOPER v. BROWN                     15667
    COUNSEL
    Norman C. Hile and Ali Kazemi, Orrick, Herrington & Sut-
    cliffe LLP, San Francisco, California, for the petitioner.
    Holly D. Wilkens, Deputy Attorney General, State of Califor-
    nia, San Diego, for the respondent.
    OPINION
    RYMER, Circuit Judge:
    Kevin Cooper appeals the district court’s denial of his third
    federal petition for a writ of habeas corpus. Sitting en banc,
    we held that Cooper made out a prima facie case that entitled
    him to file a second or successive application; authorized him
    to file it; and remanded for the district court to order that two
    tests be performed so that “the question of Mr. Cooper’s inno-
    cence can be answered once and for all.” Cooper v. Wood-
    ford, 
    358 F.3d 1117
    , 1124 (9th Cir. 2004). The two tests were
    a mitochondrial test of blond hairs found in one of the vic-
    tim’s hands, and a test for the presence of the preservative
    agent EDTA on a bloody T-shirt that was not part of the pros-
    ecution’s case at trial but that Cooper specifically asked, on
    appeal, to have tested. On remand, the district court conducted
    15668                  COOPER v. BROWN
    the mitochondrial DNA testing on the hairs and EDTA testing
    on the T-shirt. The results do not show Cooper’s innocence.
    The court also held extensive evidentiary hearings at which
    forty-two witnesses testified with respect to all issues encom-
    passed in Cooper’s third application. In a 159-page ruling that
    comprehensively addresses each of the claims, then-Chief
    United States District Judge Marilyn L. Huff denied the peti-
    tion on the merits and, alternatively, on the ground that Coo-
    per’s claims in the successive petition are procedurally barred.
    Order Denying Successive Petition for Writ of Habeas Corpus
    (May 27, 2005) (Order) (attached as Appendix A).
    Cooper sought, and we provisionally granted, a Certificate
    of Appealability (COA) on whether the district court abused
    its discretion by denying discovery, necessary forensic test-
    ing, evidentiary hearings, and a request to expand the record;
    whether he is entitled to relief on his claims of actual inno-
    cence, that the state contaminated or tampered with key evi-
    dence, that the state failed to disclose material exculpatory
    evidence in violation of Brady v. Maryland, 
    373 U.S. 83
    (1963), and that Josh Ryen’s testimony was unreliable; and
    whether he demonstrated multiple constitutional errors with-
    out which the jury would have returned a not guilty or non-
    capital verdict. We leave the COA in place, but we see no
    abuse of discretion in any respect and we agree with, and
    adopt, the district court’s analysis on each of the claims.
    Accordingly, we affirm.
    I
    Cooper was convicted of the first-degree murders of Frank-
    lyn Douglas Ryen, Peggy Ryen, his wife, Jessica Ryen, their
    10-year old daughter, and Christopher Hughes, an 11-year old
    neighborhood friend of Joshua Ryen, the Ryen’s 8-year old
    son who was brutally assaulted but lived. Following his con-
    viction, Cooper was sentenced to death.
    COOPER v. BROWN                   15669
    Cooper escaped from the California Institute for Men
    (CIM), a state prison, on Thursday, June 2, 1983, and hid out
    in a vacant house (the Lease house) next door to the Ryens’
    residence on Thursday night, all day Friday, and Friday night
    before the murders on Saturday night, June 4. Using a hatchet
    or axe and a knife that came from the Lease house, Cooper
    hacked to death Doug, who had 37 separate wounds, Peggy,
    who had 32 separate wounds, Jessica, who had 46 wounds
    that included carving on her chest, and Christopher, who had
    26 wounds. Cooper inflicted chopping wounds to the head,
    and stabbing wounds to the throat, of Joshua. Christopher’s
    father found the bodies late Sunday morning.
    The facts are set out in meticulous detail in the district
    court’s order. Order at 15703-32; 15796-810. Suffice it to
    summarize here that Cooper admitted staying in the Lease
    house; a blood-stained khaki green button identical to buttons
    on field jackets issued at the state prison from which Cooper
    escaped was found on the rug at the Lease house; tests
    revealed the presence of blood in the Leases’ shower and
    bathroom sink; hair found in the bathroom sink was consistent
    with that of Jessica and Doug Ryen; a hatchet covered with
    dried blood and human hair that was found near the Ryens’
    home was missing from the Lease house, and the sheath for
    the hatchet was found in the bedroom where Cooper had
    stayed; Cooper’s semen was found on a blanket in the closet
    of the Lease house; one drop of blood (A-41) that belongs to
    an African-American male, which Cooper is, was found on
    the wall of the Ryen hallway opposite where Jessica was
    found and post-trial DNA testing confirms that Cooper is the
    source of A-41; plant burrs found inside Jessica’s nightgown
    were similar to burrs from vegetation between the Lease
    house and the Ryen house, and to burrs found on a blanket
    inside the closet where Cooper slept at the Lease house, and
    in the Ryen station wagon, which was missing when the
    bodies were discovered but turned up, abandoned, in Long
    Beach; two partial shoe prints and one nearly complete one
    found in or near the Ryens’ house and in the Lease house
    15670                  COOPER v. BROWN
    were consistent both with Cooper’s shoe size and Pro-Keds
    Dude tennis shoes issued at CIM that Cooper did not deny
    having; a hand-rolled cigarette butt and “Role-Rite” tobacco
    provided to inmates at CIM was in the Ryens’ vehicle, and
    similar tobacco was in the bedroom of the Lease house; and
    a hair fragment found in the Ryen station wagon was consis-
    tent with Cooper’s pubic hair. Cooper checked into a hotel in
    Tijuana about 4 o’clock on Sunday afternoon.
    The district court’s order likewise recounts the procedural
    history from Cooper’s February 19, 1985 conviction. Order at
    15696-703. In sum: the judgment of conviction and sentence
    was affirmed by the California Supreme Court, which
    observed that the “sheer volume and consistency of the evi-
    dence is overwhelming,” People v. Cooper, 
    53 Cal.3d 771
    ,
    837, 
    281 Cal.Rptr. 90
    , 129 (1991), and the United States
    Supreme Court denied a petition for certiorari, Cooper v. Cal-
    ifornia, 
    502 U.S. 1016
     (1991). Cooper’s first federal petition,
    subsequently amended and supplemented, was filed August
    11, 1994, and denied August 25, 1997; we affirmed, Cooper
    v. Calderon, 
    255 F.3d 1104
     (9th Cir. 2001) (Cooper I); and
    his petition for a writ of certiorari was denied, 
    537 U.S. 861
    (2002). Cooper filed a second federal petition on April 20,
    1998, which we construed as an application for authorization
    to file a second or successive petition and denied. Cooper v.
    Calderon, 
    274 F.3d 1270
     (9th Cir. 2001) (Cooper II). He
    sought to file another successor petition that involved DNA
    testing and tampering, which we denied, Cooper v. Calderon,
    No. 99-71430 (9th Cir. Feb. 14, 2003, April 7, 2003) (orders).
    Meanwhile, Cooper filed seven petitions in the California
    Supreme Court together with a writ of mandate and various
    motions, a habeas petition in the San Diego County Superior
    Court, and six other petitions for a writ of certiorari in the
    United States Supreme Court as well as two petitions for
    habeas corpus, each of which was denied. Cooper’s February
    2, 2004 petition to the California Supreme Court raised simi-
    lar claims to those asserted in this application; that court
    denied all claims on the merits on February 5, 2004, and also
    COOPER v. BROWN                    15671
    denied as untimely those having to do with evidence tamper-
    ing, failure to disclose exculpatory evidence, submission of
    false testimony to the jury, and offering Joshua Ryen’s unreli-
    able testimony. On February 6, 2004, Cooper filed another
    application to file a successive application, which was ini-
    tially denied, Cooper v. Woodford, 
    357 F.3d 1019
     (9th Cir.
    2004), withdrawn, 
    357 F.3d 1054
     (Editor’s Note Feb. 8,
    2004), but was later granted after this court sua sponte
    decided to rehear the application en banc, Cooper v. Wood-
    ford, 
    357 F.3d 1054
     (9th Cir. 2004). En banc, we authorized
    Cooper’s third habeas petition to be filed, and stayed execu-
    tion pending resolution of this application. Cooper, 
    358 F.3d at 1124
     (Cooper III).
    The district court denied the petition and denied Cooper’s
    request for a COA. Judgment was entered on May 31, 2005.
    When Cooper then filed a request for a COA in this court, we
    allowed the appeal to go forward conditioned upon further
    consideration once briefing was completed. The state asks
    that we withdraw the COA, but we decline to do so. 
    28 U.S.C. § 2253
    (c); Miller-El v. Cockrell, 
    537 U.S. 322
    , 335-37
    (2003). This means that Cooper has leave to assert that even
    though the district court allowed the testing that we ordered,
    it abused its discretion in how the tests were conducted and
    in the scope of the evidentiary hearings that it held; and to
    appeal denial of claims one through four (actual innocence,
    contamination or tampering with evidence, Brady violations,
    and unreliability of Joshua Ryen testimony), and six through
    nine (unlawful destruction of bloody coveralls, ineffective
    assistance of counsel for failing to present evidence of another
    person’s confession, ineffective assistance of counsel in fail-
    ing to connect the bloody coveralls to Lee Furrow, ineffective
    assistance of counsel in failing to introduce evidence that vic-
    tims were clutching hair in their hands, and denial of constitu-
    tional rights by cumulative law enforcement errors and
    misconduct) of his third petition.
    15672                        COOPER v. BROWN
    II
    Standards of review under the Antiterrorism and Effective
    Death Penalty Act of 1996 (AEDPA) are well-known and are
    fully set out in the district court’s order. See Order at 15732-
    40. However, the framework for analyzing an actual inno-
    cence “gateway” claim under Schlup v. Delo, 
    513 U.S. 298
    (1995), remains unsettled. There is a question whether such a
    claim is governed by the Schlup standard itself, or by the
    AEDPA conditions for filing a second or successive applica-
    tion, 
    28 U.S.C. §§ 2244
    (b)(2)(B)(i) and (ii).1 Cf. House v.
    Bell, 
    126 S.Ct. 2064
    , 2078 (analyzing a first habeas petition
    seeking consideration of defaulted claims based on a showing
    of actual innocence under Schlup rather than AEDPA). How-
    ever, this need not detain us for Cooper fails to meet either
    standard.
    Beyond this, a district court’s decision to exclude expert
    testimony is reviewed for an abuse of discretion. Stilwell v.
    Smith & Nephew, Inc., 
    482 F.3d 1187
    , 1191 (9th Cir. 2007).
    “The trial court has wide discretion in determining whether
    1
    To make a successful claim under Schlup, “a petitioner must show that
    in light of all the evidence, including new evidence, ‘it is more likely than
    not that no reasonable juror would have found petitioner guilty beyond a
    reasonable doubt.’ ” Carriger v. Stewart, 
    132 F.3d 463
    , 478 (9th Cir.
    1997) (en banc).
    For authorization to file a second or successive application for habeas
    corpus under AEDPA, a petition must show that
    (B)(i) the factual predicate for the claim could not have been dis-
    covered previously through the exercise of due diligence; and
    (ii) the facts underlying the claim, if proven and viewed in light
    of the evidence a a whole, would be sufficient to establish by
    clear and convincing evidence that, but for constitutional error,
    no reasonable factfinder would have found the applicant guilty of
    the underlying offense.
    
    28 U.S.C. §§ 2244
    (b)(2)(B)(i) and (ii). See Cooper III, 
    358 F.3d at 1119
    (discussing the differences but finding it unnecessary to decide which
    standard applies).
    COOPER v. BROWN                         15673
    particular scientific tests are reliable enough to permit expert
    testimony based upon their results.” United States v. Gilles-
    pie, 
    852 F.2d 475
    , 480 (9th Cir. 1988) (citations omitted). The
    determination whether an expert witness has sufficient quali-
    fications to testify is reviewed for an abuse of discretion.
    United States v. Abonce-Barrera, 
    257 F.3d 959
    , 964 (9th Cir.
    2001).
    We also review a district court’s decision to permit or deny
    discovery in habeas proceedings for an abuse of discretion.
    Bittaker v. Woodford, 
    331 F.3d 715
    , 728 (9th Cir. 2003) (en
    banc). Such discovery is available only “for good cause.”2
    Hayes v. Woodford, 
    301 F.3d 1054
    , 1065 n.6 (9th Cir. 2002).
    “We review for an abuse of discretion the district court’s
    denial of an evidentiary hearing and the scope of an evidenti-
    ary hearing held.” Williams v. Woodford, 
    384 F.3d 567
    , 586
    (9th Cir. 2004).
    III
    We first consider issues that relate to whether the district
    court abused its discretion as Cooper contends it did in deny-
    ing discovery, failing to order forensic testing, limiting what
    he could show at evidentiary hearings, and refusing to expand
    the record on certain claims. Many of these issues are inter-
    woven with the merits of claims one through four and six
    through nine, but Cooper raises discrete procedural challenges
    that we treat separately as best we can because, if the district
    court did not abuse its discretion in these procedural rulings,
    we agree with its other determinations. Necessarily there is
    overlap; to the extent there is, and reference to the district
    court’s discussion on the merits is helpful to understanding its
    2
    Rule 6(a) of the Rules Governing Section 2254 Cases provides:
    (a) A judge may, for good cause, authorize a party to conduct dis-
    covery under the Federal Rules of Civil Procedure and may limit
    the extent of discovery.
    15674                       COOPER v. BROWN
    procedural rulings, we incorporate (without repeating) its
    analysis.
    A
    Cooper complains that the district court denied the bulk of
    his discovery requests, but focuses on only three of them:3 his
    request for photographs and documentation of the examina-
    tion and testing of the bloodstained T-shirt, blood drop A-41,
    and the cigarette butts V-12 and V-17; San Bernardino Sher-
    iffs Department (SBSD) files reviewed by Deputy Derek
    Pacifico after Cooper filed his third habeas petition as part of
    an investigation into whether CIM Warden Midge Carroll had
    or had not contacted SBSD before trial with Brady informa-
    tion regarding shoeprint evidence; and his request for test data
    of Dr. Gary Siuzdak, one of the EDTA testing experts
    selected by the court, when Siuzdak withdrew his results after
    discovering EDTA contamination in his laboratory. Cooper
    offers only a sketchy explanation why denying these requests,
    without prejudice, abused the court’s discretion. We discern
    no basis for concluding that it did.
    [1] The state produced materials relating to the post-
    conviction DNA testing in 2001 and these materials were also
    exhibits in the evidentiary hearing conducted by the district
    court. We cannot see how denying discovery as to these mate-
    rials mattered at all.
    [2] Warden Carroll’s January 30, 2004 declaration stated
    that she had learned before trial — and had communicated to
    3
    Cooper’s briefing mentions other requests, e.g., for discovery related
    to instructions to investigating authorities at the time of the murders to
    stop pursuing evidence pointing to someone other than Cooper, and of the
    notes of San Bernardino Sheriffs Department (SBSD) investigators who,
    after the third petition was filed, investigated employees and patrons of the
    Canyon Corral Bar on the night of the murders. However, he develops no
    argument with respect to them and we deem appeal as to these denials, and
    others, abandoned.
    COOPER v. BROWN                           15675
    one of the lead detectives on the Cooper case — that the shoes
    CIM carried were not specially designed prison-issue shoes
    and were common shoes available to the general public
    through Sears and other such retail stores.4 Because the en
    banc court was persuaded that a Brady violation appeared to
    be indicated, see Cooper III, 
    358 F.3d at 1120-21
    , the district
    court set an evidentiary hearing to address Cooper’s claim
    that the prosecution failed to disclose Carroll’s information. It
    heard testimony from Carroll; Lt. Donald Smith, a former
    investigator at CIM under Carroll; Don P. Luck, a former
    executive and sales manager for Stride Rite Corporation, the
    company that manufactured the Pro-Keds Dude tennis shoe;
    and Sandra Coke, the defense investigator who obtained dec-
    larations from Carroll, James Taylor, a CIM inmate who testi-
    fied at trial that he gave Pro-Keds Dude tennis shoes to
    Cooper, and Detective Derek Pacifico of SBSD.5 Carroll’s
    files about Cooper’s escape and the murder investigation were
    also in evidence. They are extremely detailed and include
    records of telephone conversations; however, they contain no
    indication that she spoke with the SBSD about tennis shoes
    worn by CIM inmates. In part for this reason, the court did not
    abuse its discretion in concluding that Cooper’s request for all
    4
    Although the district court cited a phone slip with the name of “Midge
    Carroll” dated 9/19/83 and two pages of notes from trial counsel David
    Negus’s files, its determination does not depend upon proof that Negus
    knew about Carroll’s investigation of the tennis shoes. There was, there-
    fore, no need for Cooper to have been allowed to expand the record to cor-
    rect this error, if any. For this reason, the court neither abused its
    discretion nor ignored the truth, as Cooper contends, in denying his
    Motion to Expand the Record Pursuant to Rule 7.
    5
    Carroll was, of course, known to Cooper from day one. She had con-
    tact with defense investigators before and after trial. Carroll’s availability
    to Cooper would not necessarily derogate the state’s affirmative Brady
    obligation to disclose material exculpatory information that it knew about,
    but her accessability does highlight the lack of any meaningful connection
    between the breadth of Cooper’s request and the possibility of adducing
    favorable, material information that would tend to exculpate him. It is
    unlikely that the SBSD would have thought itself capable of suppressing
    information that Carroll herself could easily have provided to Cooper.
    15676                  COOPER v. BROWN
    SBSD files reviewed by Pacifico was unjustified by the possi-
    bility that Pacifico’s review may have overlooked SBSD doc-
    uments reflecting a communication that Carroll’s own
    detailed files do not show. In addition, the prosecution’s the-
    ory was not that Pro-Keds Dude shoes were limited to prison
    inmates (the Stride Rite records introduced at trial showed
    distribution to other government institutions), but that there
    was a link between the imprints found at and near the Ryen
    house and in the Lease house to Cooper, who never denied
    having a pair of Pro-Keds Dude shoes. Contracts from Stride
    Rite that were in evidence at trial show that CIM purchased
    1,390 Pro-Keds Dude shoes. Carroll herself had no personal
    knowledge whatsoever about the availability of the tennis
    shoes at CIM or elsewhere. Thus, even if she had called
    SBSD as her declaration avers, all that she could have com-
    municated was her belief that Pro-Keds Dude shoes weren’t
    available at CIM but were available at places like Sears —
    which is both mistaken and immaterial. Consequently, her
    communication could not have had any appreciable bearing
    on a Brady claim. Cf. Pham v. Terhune, 
    400 F.3d 740
    , 743
    (9th Cir. 2005) (noting that discovery under Rule 6(a) should
    not be denied if it is essential to develop fully a petitioner’s
    claim).
    Finally, the court acted within its discretion in denying
    access to Dr. Siuzdak’s data. His EDTA test results did not
    reflect the expected results from the PBS buffer reagent blank
    control and so were unreliable. Contamination was not
    remarkable, as laboratories use EDTA in testing. As Suiz-
    dak’s results were unreliable, they could not be used to prove
    Cooper’s tampering claim.
    B
    Cooper contends that the district court’s testing protocol for
    the bloody T-shirt was flawed in five respects: (1) while the
    court facially complied with the en banc order allowing only
    Cooper to select a stain from the T-shirt for limited anti-
    COOPER v. BROWN                    15677
    clotting agent testing, it refused to allow presumptive blood
    testing to determine whether the stain tested was even a blood
    stain; (2) it did not allow his experts, Dr. Peter DeForest and
    Dr. Kevin Ballard, to view the T-shirt as a first step in design-
    ing the protocol; (3) it accepted at face value Dr. Gary Siuz-
    dak’s retraction of his EDTA testing results; (4) it denied
    testing for anti-clotting agent migration; and (5) it denied test-
    ing for other anti-clotting agents such as citric acid that were
    used to preserve Cooper’s blood. He also maintains that while
    the district court facially complied with this court’s order to
    perform mitochondrial DNA testing to determine whether
    hairs at the crime scene belonged to a third party perpetrator,
    the testing ignored the recommendation of Dr. Edward Blake
    to evaluate unexamined groups of hair. As a result, Cooper
    submits, a large group of hairs was never examined for ana-
    gen roots (roots that indicate the hair was pulled instead of
    having been cut or broken), and thus hairs in that group were
    never considered for testing. He also argues that the Cooper
    DNA against which the hairs were examined was contami-
    nated and therefore could not prove that he was a possible
    source of the hairs. We disagree that the district court abused
    its discretion in conducting either test.
    [3] The district court held a tutorial on mitochondrial DNA
    and EDTA testing at which experts for Cooper and the state
    testified. At the tutorial, Cooper’s expert, Dr. Terry Melton,
    explained that mitochondrial testing cannot be used effec-
    tively to identify the source of hairs, but rather is primarily an
    exclusionary method as it determines only whether a hair
    shares maternal DNA with a particular individual. The court
    developed a protocol and ordered that ten hairs suitable for
    testing from Jessica’s hands be tested for mitochondrial DNA
    and that two hairs (one found on Doug Ryen’s hand and one
    on Chris Hughes’s arm) identified in 2001 as having anagen
    roots also be tested. Dr. DeForest, Cooper’s criminalist,
    selected the hairs. Two proved to be animal hairs, and tests on
    the remaining hairs could not exclude Jessica, Peggy, Josh or
    their maternal relatives as donors. Therefore, the results of
    15678                  COOPER v. BROWN
    mitochondrial DNA tests did not indicate that these hairs were
    pulled out of the head of a third party perpetrator.
    With respect to testing the T-shirt for the purpose of deter-
    mining whether the blood, previously associated with Coo-
    per’s DNA, had been planted, the district court developed the
    EDTA protocol over a three-month period and after extensive
    input from counsel and the experts. Upon the parties’ recom-
    mendation, the court also adopted a “control” method of test-
    ing in which the amount of EDTA detected in a stain would
    be compared to the amounts of EDTA found in various con-
    trol swatches and from other non-stained portions of the T-
    shirt. Pursuant to the protocol, the stain was to be extracted
    by Dr. DeForest and shipped to Dr. Ballard and Dr. Suizdak
    for double-blind EDTA testing. After the test results were
    submitted, the parties proposed a protocol for DNA testing to
    determine whether the main stain fabric cut-out from the
    EDTA testing contained Cooper’s blood. From the results of
    that testing, Cooper could not be excluded as a contributor of
    the DNA extracted from the cut-out, while Peggy Ryen, Jes-
    sica Ryen, Josh Ryen, Doug Ryen and Chris Hughes were
    each eliminated as a possible contributor. The court ultimately
    concluded that EDTA testing lacks sufficient indicia of reli-
    ability to be admissible under Daubert v. Merrell Dow Phar-
    maceuticals, Inc., 
    509 U.S. 579
    , 589 (1993). However, the
    court alternatively found that Dr. Ballard’s results disprove
    Cooper’s theory of tampering because Cooper’s theory
    requires a high level of EDTA presence in the blood, but the
    EDTA level in the stain with blood was actually lower than
    that of most of the control areas. See Order at 15760-89
    (describing process and making EDTA findings).
    [4] Turning to Cooper’s contentions about testing of the T-
    shirt, we note at the outset that it is immaterial whether the
    EDTA tests were flawed or not because the district court had
    discretion to conclude that EDTA testing does not meet Dau-
    bert standards. “In Daubert, the Court set out four factors to
    be reviewed when applying Rule 702: (1) whether the theory
    COOPER v. BROWN                           15679
    or technique can be or has been tested, (2) whether the theory
    or technique has been subjected to peer review, (3) whether
    the error rate is known and standards exist controlling the
    operation of the technique, and (4) whether the theory or tech-
    nique has gained general acceptance.”6 United States v.
    Benavidez-Benavidez, 
    217 F.3d 720
    , 724 (9th Cir. 2000).
    There is no evidence in the record that application of mass
    spectrometry to forensic analysis of blood evidence to deter-
    mine EDTA levels can be or has been tested. The technique
    has been offered to courts only twice before; in one case,
    there was no challenge to the EDTA evidence and in the
    other, Dr. Ballard, as well as the EDTA testing that he was to
    perform, were rejected by the court. EDTA testing has not
    been subjected to peer review and there has been no discus-
    sion of forensic EDTA testing in scientific literature since a
    1997 article that headlines the need for a better analytical
    method. In short, for reasons explained in detail by the district
    court, Order at 15774-85, EDTA testing has not gained gen-
    eral acceptance in the scientific community.
    [5] Regardless, Cooper fails to explain why additional
    inspection of the T-shirt was necessary, for an appropriate
    stain and controls were selected after 6G, the stain that was
    initially selected, proved unavailable because it had already
    been consumed. Dr. DeForest did not participate in this selec-
    tion because he had removed himself, but Cellmark — a labo-
    ratory that Cooper agreed was highly qualified — replaced
    6
    Federal Rule of Evidence 702 governs admissibility of scientific evi-
    dence in federal district court. Clausen v. M/V NEW CARISSA, 
    339 F.3d 1049
    , 1055 (9th Cir. 2003). It provides:
    If scientific, technical, or other specialized knowledge will assist
    the trier of fact to understand the evidence or to determine a fact
    in issue, a witness qualified as an expert by knowledge, skill,
    experience, training, or education, may testify thereto in the form
    of an opinion or otherwise, if (1) the testimony is based upon suf-
    ficient facts or data, (2) the testimony is the product of reliable
    principles and methods, and (3) the witness has applied the prin-
    ciples and methods reliably to the facts of the case.
    15680                  COOPER v. BROWN
    him to conduct the extraction. No basis appears in the record
    to question selection of the stain that was used, and Cooper
    points to none on appeal. Dr. Maddox of Cellmark and the
    state’s expert, Steven Myers, selected an area between two
    stains designated “6J” and “6K,” each of which had earlier
    been found to be blood containing primarily Cooper’s DNA.
    Nor does any reason appear why Dr. Suizdak’s representa-
    tions should not have been accepted at face value; the testing
    he was to undertake was double-blind, he is a well respected
    scientist, and he had no interest in the outcome.
    [6] Cooper never asked for presumptive blood testing
    before the protocol was implemented, which is sufficient rea-
    son to reject his argument on appeal; in any event, as DNA
    analysis on the tested area later confirmed that Cooper could
    not be excluded as a contributor of the DNA extracted from
    the cut-out, there is no point to his complaining now about the
    lack of presumptive testing. Likewise, Cooper articulated no
    concern before the test results were in about the possibility
    that EDTA could have migrated from the selected stain.
    Regardless, if his post-hoc migration theory were correct, it
    would be theoretically impossible to achieve meaningful
    results from further testing as there is no way to determine
    whether the background EDTA levels throughout the shirt are
    higher than normal for there is no “normal” base level of
    EDTA.
    [7] Finally, Cooper’s suggestion that testing for other anti-
    clotting agents such as citric acid should have been allowed
    is misplaced as the only occasion where his blood was pre-
    served in a tube containing citric acid was when it was drawn
    by the San Quentin Prison, not by the SBSD, and the only
    blood sample of Cooper’s to which the SBSD had access was
    drawn into a tube containing EDTA as a preservative. Further
    testing on the T-shirt was, therefore, not required.
    [8] Neither was the mitochondrial DNA testing deficient as
    Cooper argues. By way of background, Cooper’s forensic
    COOPER v. BROWN                    15681
    expert (Dr. Blake) and Department of Justice criminalist Ste-
    ven Myers spent six days in 2001 jointly conducting visual
    and microscopic examination of approximately 1000 hairs
    recovered from the victims’ bodies in order to identify hairs
    that had properties of hair pulled from the skin. Only hairs
    with anagen roots can be used to identify an assailant because
    only they, as contrasted with a cut or broken hair, can indicate
    that the victim may have pulled the perpetrator’s hair in a
    struggle. Three hairs meeting the experts’ criteria were identi-
    fied, but nuclear DNA testing of these hairs yielded no human
    DNA. Responsive to the en banc ruling, the district court
    allowed Cooper’s criminalist to select up to 10 hairs from
    those removed from Jessica’s hands for mitochondrial DNA
    testing. No anagen hairs were identified and the 10 hairs
    selected were tested along with the two remaining hairs sub-
    jected to nuclear DNA testing in 2001. The results show that
    Jessica, Peggy, and Josh Ryen could not be excluded as the
    source of the hairs in Jessica’s hands.
    Cooper contends that the court turned its back on its “own
    expert’s” view that hair testing must be designed to ensure
    that it is complete and thorough, but the premise is faulty on
    two accounts. First, the expert referred to — Dr. Blake — was
    not the court’s expert, as Cooper characterizes him; he was
    Cooper’s expert in state court and has been throughout the
    federal proceedings, and did not become otherwise solely on
    account of his appointment by the court for the purpose of
    assuring adequate compensation. More importantly, Dr. Blake
    did not recommend that every hair be examined, as Cooper
    suggests. To the contrary, Blake testified that “[t]he only rea-
    son to go through this process one more time is simply to be
    much more rigorous and detailed in the survey, should that be
    deemed to be a useful thing to do.” He never opined that it
    would be useful or reasonable.
    [9] Cooper’s argument that his blood sample was contami-
    nated is beside the point. The hairs were never examined to
    see if they came from Cooper, and there has never been any
    15682                  COOPER v. BROWN
    evidence or suggestion to that effect. Rather, Cooper’s theory
    was that the hairs came from a third party, that is, from the
    real killer, and if this could be shown, then the presence of a
    third party at the scene would prove his innocence. That is
    why the en banc court ordered mitochondrial testing. See 
    358 F.3d at 1124
     (noting that mitochondrial testing of the blond
    or light brown hair in Jessica Ryen’s hand, if favorable to
    Cooper, could positively identify Lee Furrow or perhaps oth-
    ers as the killer or killers). Thus, even if Cooper’s sample
    were contaminated, it is irrelevant.
    C
    [10] Cooper maintains that the district court refused to
    allow him to present evidence related to the three suspicious
    men in the Canyon Corral Bar. This is belied by the record.
    See Order at 15811-23. He points to exclusion of Al Warren,
    a bartender who was not present on the night of the murders,
    for whom his only proffer was that Warren was “presumably”
    privy to discussion of the incident. Having heard from the
    bartender who was on duty (Edward Lelko), the manager, the
    waitress who served the three men drinks, two patrons who
    saw the three men, another waitress who was working that
    night, a bouncer, and others who frequented the Canyon Cor-
    ral, the court had discretion to decline to hear another bar
    employee who was not percipient. Cooper also points to lim-
    ited inquiry into witness tampering with Lance Stark. Stark
    testified that before the evidentiary hearing, he was
    approached by an individual wearing a white, short sleeve
    shirt and driving a white, unmarked Ford Crown Victoria with
    a computer extending out from the dashboard on an arm,
    whom he believed to be a member of law enforcement and
    who made it clear that it would be in Stark’s best interest not
    to talk about the Cooper case. However, the court had discre-
    tion to find that Cooper’s request for further inquiry would be
    a wild goose chase as Cooper had no license plate or other
    information that might lead to the driver, and to conclude that
    it would be unlikely to produce anything of probative value.
    COOPER v. BROWN                    15683
    Stark testified, so the incident did not inhibit him and even if
    it were law-enforcement related as he speculates, it would
    have no tendency to prove what happened at the Canyon Cor-
    ral Bar.
    [11] Cooper also submits that the court improperly refused
    to allow him to examine Daniel Gregonis, the SBSD criminal-
    ist responsible for examining and testing several items of evi-
    dence including the bloodstained T-shirt, blood drop A-41,
    and the cigarette butts V-12 and V-17. However, Cooper was
    given an evidentiary hearing in state court in 2003 to present
    evidence of his tampering claims, and Gregonis testified and
    was examined by Cooper’s counsel. He had an opportunity to
    develop a record, and the district court was not obliged to pro-
    vide another one.
    The same is true to the extent Cooper contends that further
    testing is needed in general to show that these items, blood
    spots identified as the “UU Series,” and a blood sample drawn
    from him at the time of his arrest (VV-2) were tampered with.
    Each claim is procedurally barred and, in addition, both the
    tampering with the UU Series claim and the planting of ciga-
    rette butts claim have been previously adjudicated. See, e.g.,
    Cooper v. Calderon, No. 92-CV-427H at 41, 50-51. As we
    have explained, it doesn’t matter to any of Cooper’s claims
    whether his blood sample (VV-2) was contaminated or not; it
    wasn’t used for anything material.
    Cooper also insists that the fact that the size of one of the
    cigarettes (V-12) changed by 3 millimeters after having been
    unrolled for testing demonstrates tampering, but his position
    was rejected by the San Diego County Superior Court after an
    evidentiary hearing and Cooper has not overcome the defer-
    ence due that determination under 
    28 U.S.C. § 2254
    (d). The
    first measurement (4 mm) was of a “butt,” whereas the second
    measurement (7 mm) is one of two dimensions given for
    “burned paper in box 7x7 mm.” It is clear that the second
    measurement is of unrolled paper, whereas the first measure-
    15684                   COOPER v. BROWN
    ment is of the rolled butt. That the dimensions would be dif-
    ferent is self-evident, and the difference in no way calls into
    question the state court’s finding or requires further inquiry at
    this stage.
    [12] Cooper continues to assert that the bloody T-shirt is
    connected to at least one of the perpetrators and that the dis-
    trict court limited the evidence he was allowed to develop and
    present to show tampering. This goes nowhere for reasons we
    have just explained. Nor did the district court abuse its discre-
    tion in not allowing Cooper to recall Dr. Ballard to clarify the
    reliability of his testing methods, to state that he could test for
    other anti-clotting agents, and to testify to the reliability of his
    laboratory; or to cross-examine experts with respect to anti-
    clotting agent testing; or to cross-examine Dr. Suizdak and
    Dr. Lewis Maddox, who prepared the stain solutions for test-
    ing. To the extent relevant and helpful, ample opportunity for
    expert input and consultation was afforded.
    [13] Cooper also faults the district court for refusing to per-
    mit him to pursue examination of informant Albert Anthony
    Ruiz, who testified at an evidentiary hearing on August 6,
    2004, about what he might have heard from sources other
    than law enforcement in San Bernardino County. The asserted
    relevance was to Cooper’s Brady claim that the prosecution
    failed to disclose evidence from Ruiz that law enforcement
    was ordered to plant evidence inculpating Cooper. We see no
    abuse of discretion, as Ruiz did not work for and had no deal-
    ings with SBSD and had no direct information about the
    investigation. All that he could possibly have learned was sec-
    ondhand public information recounted by Jim Parsons, a dep-
    uty with the Riverside County Sheriff’s Department who
    submitted a declaration himself and who, in any event, had no
    involvement in the Cooper case or knowledge of it beyond
    what he read in the papers or saw on television. In light of
    this, the court committed no error in excluding information
    that was hearsay and speculation as well as immaterial to
    SBSD’s Brady obligations.
    COOPER v. BROWN                    15685
    [14] Cooper’s contention that the district court improperly
    refused to allow him to uncover and present evidence regard-
    ing daily logs and a blue shirt listed on the log for June 6,
    1983, fails as no evidence contradicts the state’s submission
    that the log was available to Cooper before trial. Cooper’s
    counsel represented to the trial judge that he had the daily
    logs. The issue could, and should, have been pursued long
    before now. See Order at 14869-74.
    [15] Cooper argues that he was precluded from fully
    exploring his tennis shoe claims by the court’s refusal to
    allow him to review the records Pacifico reviewed and to send
    written questions to Michael Newberry, who worked for
    Stride Rite Corporation and testified at trial that Stride Rite
    had a contract with CIM for Pro-Keds Dude tennis shoes that
    were not available in retail stores. We have already explained
    why the court did not abuse its discretion in declining to order
    discovery into all the SBSD files reviewed by Pacifico, and
    Cooper makes no proffer why questions to Newberry would
    shed any light on the contracts which were, themselves, in
    evidence, or on distribution of the Pro-Keds Dude shoe as to
    which there is no substantial dispute — except for Carroll’s
    unfounded belief.
    [16] Cooper also complains that he was not allowed to
    cross-examine Josh Ryen in connection with Claim Four,
    which asserts that Josh’s testimony at trial was altered and
    unreliable. As the district court found, the facts and circum-
    stances surrounding Josh Ryen’s statements and how they
    were presented to the jury have been known for twenty years.
    The jury heard two taped statements pursuant to the parties’
    stipulation: a videotape of an interview on December 9, 1984
    when Cooper’s counsel and the prosecutor questioned Josh
    under oath, and an audiotape of a December 1, 1983 interview
    with Dr. Lorna Forbes, Josh’s treating psychiatrist. He did not
    identify an assailant in either one, but said on the one hand
    that three Hispanic workers visited the ranch the day of the
    murders, and on the other that he saw a single man with a
    15686                        COOPER v. BROWN
    “puff” of hair standing over his mother. On April 22, 2005,
    the district court allowed Josh Ryen, along with Christopher
    Hughes’s parents, to make a statement about their views of
    the matter as victims.7 Cooper argues that he should have
    been allowed an evidentiary hearing because the April 22,
    2005 statement (during which Josh Ryen recalled a man with
    “bushy” hair) was a “third version” that further proves the
    manipulation, and unreliability, of the trial version. We dis-
    agree that the court abused its discretion.8 Even accepting
    Cooper’s position that Josh Ryen’s April 22, 2005 statement
    satisfies the requirements for an evidentiary hearing in
    § 2254(e)(2) because the latest version could not have been
    discovered earlier, § 2254(e)(2)(B)9 nevertheless applies to
    bar relief as the jury knew that Josh Ryen had given some-
    what inconsistent accounts yet convicted Cooper anyway. We
    7
    This was after the close of evidence. The district court allowed Hughes
    and Josh Ryen an opportunity to make a statement consistent with Con-
    gress’s intent in The Justice For All Act, Pub. L. No. 108-405, § 102, 
    118 Stat. 2260
    , 2261-62 (2004), that victims be heard.
    8
    Aside from noting that the jury never heard Josh’s recollection of a
    man with bushy hair, the district court did not base its Claim Four determi-
    nation on anything that Josh said in his victim statement. Rather, it found
    that the defense was benefitted at trial by the taped presentations because
    Josh Ryen did not identify his assailant, the jury heard his earlier state-
    ment that three Hispanic workers had been at the ranch, and the stipulation
    avoided the sympathy factor of having Josh present on the stand. It con-
    cluded that deference was due to the state court’s determinations and, as
    Cooper has known about Josh’s somewhat inconsistent versions since the
    murder, he failed to exercise due diligence in developing the factual predi-
    cate for a new evidentiary hearing. See Order at 14878-79; 
    28 U.S.C. § 2254
    (e)(2).
    9
    In relevant part, 
    28 U.S.C. § 2254
    (e)(2)(B) provides that an evidentiary
    hearing shall not be held on a claim unless it relies on a factual predicate
    that could not have been previously discovered through the exercise of due
    diligence, and
    (B) the facts underlying the claim would be sufficient to establish
    by clear and convincing evidence that but for constitutional error,
    no reasonable factfinder would have found the applicant guilty of
    the underlying offense.
    COOPER v. BROWN                   15687
    cannot conclude that no reasonable juror would have con-
    victed Cooper knowing that Josh Ryen now recalls a man
    with bushy hair.
    Finally, Cooper maintains that the district court purported
    to make credibility determinations of witnesses based solely
    on documents. Even if this weren’t allowed (which it is, in
    appropriate circumstances), he points to no instances where
    this happened.
    [17] Accordingly, there is no basis to remand for examina-
    tion and more testing of the evidence, or additional evidenti-
    ary hearings, as Cooper urges.
    IV
    The district court denied Cooper’s claim of actual inno-
    cence after detailing the DNA evidence that shows he is the
    donor of the DNA extracted from the drop of blood found in
    the hallway outside the Ryen master bedroom (A-41), saliva
    from the hand-rolled and manufactured cigarette butts (as
    used at CIM) found inside the abandoned Ryen station wagon,
    and blood smears on the T-shirt found near the Canyon Corral
    Bar (even though it was not used to establish Cooper’s guilt
    at trial); explaining why Cooper’s challenge to the DNA evi-
    dence is unavailing; reviewing prior court findings that docu-
    ment overwhelming evidence of guilt; and considering the
    testimony from forty-two witnesses and numerous exhibits
    introduced at evidentiary hearings held after remand. Order at
    15789-853.
    Cooper argues the district court was incorrect in light of
    substantial evidence of third party perpetrators in the Canyon
    Corral Bar and Albert Anthony Ruiz’s testimony. That he
    didn’t do it, Cooper suggests, is bolstered by his showing of
    alternative suspects through the Kenneth Koon confession and
    information concerning Lee Furrow and his bloody coveralls.
    15688                      COOPER v. BROWN
    We disagree, for reasons stated by the district court. See Order
    at 15846-47; 15850-51.
    [18] We agree with the district court’s conclusion that all
    of Cooper’s challenges “have come back the same: there is
    overwhelming evidence that Petitioner is the person guilty of
    these murders.” Order at 15854. Considering all the evidence,
    new and old, Cooper has not shown that it is more likely than
    not that no reasonable juror would have found him guilty
    beyond a reasonable doubt. Schlup, 
    513 U.S. at 327
    ; see
    House, 1265 S.Ct. at 2076-78 (explaining the Schlup stan-
    dard). Thus, Cooper meets neither Schlup’s gateway nor
    AEDPA’s.10 It follows that Cooper has not met Herrera’s
    standard for actual innocence. Herrera v. Collins, 
    506 U.S. 390
     (1993).
    V
    [19] In discussing Cooper’s procedural challenges, we have
    already indicated why he is not entitled to relief on his claim
    that the state contaminated or tampered with the evidence
    with respect to examination and testing of the T-shirt and the
    blood spot (A-41). The T-shirt, of course, was not used as evi-
    dence against Cooper so it is difficult to see how it could have
    had any inculpatory effect. Post-conviction, however, it has
    become the center of attention. See, e.g., Cooper III, 
    358 F.3d at 1124
     (observing that this case centers on Cooper’s claim
    that he is innocent, and quoting his argument that with EDTA
    testing “ ‘the question of Mr. Cooper’s innocence can be
    10
    In addition to finding that most of Cooper’s allegations relate to evi-
    dence that was already presented at trial and previously rejected, and that
    the remainder rest on unreliable or incorrect information and source, the
    court concluded that Cooper did not meet his burden under 
    28 U.S.C. § 2244
    (b), which requires a factual claim not discoverable through due dil-
    igence that establishes by clear and convincing evidence that, but for con-
    stitutional error, no reasonable factfinder would have found him guilty, or
    under § 2254(d), which requires that the state court’s decision be contrary
    to or an unreasonable application of clearly established federal law.
    COOPER v. BROWN                    15689
    answered once and for all’ ”); id. (Silverman, CJ, concurring
    in part and dissenting in part) (noting that “[e]verything
    comes down to the bloody t-shirt”). The San Diego County
    Superior Court took evidence on the tampering claim and
    found none, and the California Supreme Court denied Coo-
    per’s petition for writ of mandate on the issue. EDTA testing
    turned up nothing to indicate tampering.
    There was neither visible blood remaining on the paint
    chips comprising A-41 nor control areas around the blood
    sample for purposes of determining if there is a significant
    difference between the amounts of EDTA in the stain com-
    pared with areas surrounding it. Accordingly, for reasons it
    explained that are well-founded in the record, the district
    court concluded that A-41 is not able to be reliably tested for
    the presence of EDTA. Order at 15786-89. This leaves in
    place the finding of the state court that no tampering occurred.
    Cooper offers no convincing evidence why that finding is not
    correct and entitled to deference.
    [20] To the extent his appeal extends beyond these items,
    we also agree with the district court’s analysis that Cooper’s
    claims of evidence tampering and withholding lack merit. See
    Order at 15874-78.
    VI
    [21] Cooper argues that the district court’s analysis of his
    Brady claims was contrary to clearly established federal law
    as set forth in Kyles v. Whitley, 
    514 U.S. 419
    , 435-36 & n. 10
    (1995), in that it analyzed each Brady claim individually with-
    out analyzing their cumulative effect. We agree with the dis-
    trict court’s analysis with regard to the state’s alleged
    withholding and manipulation of evidence related to shoe-
    prints found in the Ryen home and hideout house, the bloody
    coveralls, the blue shirt, and the Canyon Corral Bar. As there
    is no individual Brady violation, there are no violations to
    cumulate.
    15690                  COOPER v. BROWN
    [22] Apart from what we have already discussed, the dis-
    trict court held an evidentiary hearing to evaluate Cooper’s
    claim that he discovered in 1998 a disposition report initialed
    “KS” that contradicted Deputy Frederick Eckley’s trial testi-
    mony that on his own, he had destroyed the coveralls that
    Diana Roper gave him. After considering the testimony of
    Eckley and Deputy Ken Schreckengost (the “KS” of “KS”)
    and evaluating their credibility, the court found that Eckley
    did act on his own in destroying the coveralls without discuss-
    ing it with Schreckengost. So, as the district court held, the
    disposition report does not cast doubt on Eckley’s testimony
    or undermine the prior findings and conclusions of the Cali-
    fornia Supreme Court or the district court’s own determina-
    tion that the coveralls were not material exculpatory evidence
    in Cooper’s case. Order at 15857-59. We are not firmly con-
    vinced this finding is wrong.
    [23] The district court rejected Cooper’s contention that the
    prosecution failed to disclose that a police officer was present
    at the Canyon Corral Bar on the night of the murders based
    on extensive testimony about what actually happened that
    night and what it viewed as the more credible version of those
    events. Cooper’s argument on appeal is insubstantial and
    leaves us without a firm conviction that the district court
    erred. As there was no police presence at the bar on the night
    of the murders, there was no evidence for the prosecution to
    suppress.
    [24] Cooper additionally alludes to the fact that Detective
    Timothy Wilson had information that three suspicious men
    were seen in the bar, which he passed on to the sergeant in
    charge of the Ryen/Hughes investigation but which the prose-
    cution failed to disclose to Cooper. However, Cooper offers
    no suggestion why this information undermines confidence in
    the verdict. It was no secret that three strangers were at the
    bar. The district court found that the more credible version of
    events came from employees and patrons interviewed shortly
    after the murders who testified at trial. In any event, none of
    COOPER v. BROWN                      15691
    the witnesses casts doubt on the physical evidence of Coo-
    per’s guilt. As the court’s exhaustive recital of all the Canyon
    Corral evidence — both that adduced at trial and at the evi-
    dentiary hearing — shows, see Order at 15811-24, rumors
    that Wilson picked up from word on the streets could not have
    been exculpatory, impeaching or material.
    VII
    [25] The district court noted that the jury heard two taped
    statements of Joshua Ryen, pursuant to stipulation, that bene-
    fitted the defense because he did not identify his assailant, had
    earlier indicated that three Hispanic workers had been at the
    ranch, and was not on the stand to garner sympathy. The court
    deferred to denial of Cooper’s constitutional claim on the
    merits by the California Supreme Court pursuant to 
    28 U.S.C. § 2254
    (d), and found that Cooper had not demonstrated that,
    but for constitutional error, no reasonable juror would have
    found him guilty if Josh Ryen had been subjected to testifying
    at trial. Order at 15878-80. We agree.
    VIII
    Cooper’s initial briefing posits that he is entitled to relief on
    his claim that SBSD unlawfully destroyed the bloody cover-
    alls, and on his claims that trial counsel rendered ineffective
    assistance in failing to present evidence of another person’s
    confession to the murders, failing to connect the bloody cov-
    eralls to Lee Furrow, and failing to introduce evidence that
    victims were clutching hair in their hands. He pursues none
    of these claims in reply. Each has been adjudicated previously
    in one forum or another. And we are in accord with the dis-
    trict court’s treatment of all these claims. See Order at 15846-
    53.
    IX
    [26] Our conclusion that Cooper prevails on none of his
    claims moots his last submission, that his conviction and sen-
    15692                   COOPER v. BROWN
    tence were infected by multiple constitutional errors without
    which the jury would have returned a not guilty or non-capital
    verdict. As the district court, and all state courts, have repeat-
    edly found, evidence of Cooper’s guilt was overwhelming.
    The tests that he asked for to show his innocence “once and
    for all” show nothing of the sort.
    AFFIRMED.
    COOPER v. BROWN                15693
    APPENDIX A
    Order Denying Successive Petition for Writ of Habeas
    Corpus (May 27, 2005)
    United States District Court
    Southern District of California
    COOPER v. BROWN                     15887
    McKEOWN, Circuit Judge, concurring:
    I.
    I concur in the opinion but am troubled that we cannot, in
    Kevin Cooper’s words, resolve the question of his guilt “once
    and for all.” I do not fault the careful and extensive review by
    the district court or the multiple levels of appeal carried out
    under statutory and Supreme Court standards. Rather, the
    state bears considerable responsibility in making such resolu-
    tion unavailable. I separately concur to underscore the critical
    link between confidence in our justice system and integrity of
    the evidence.
    Significant evidence bearing on Cooper’s culpability has
    been lost, destroyed or left unpursued, including, for example,
    blood-covered coveralls belonging to a potential suspect who
    was a convicted murderer, and a bloody t-shirt, discovered
    alongside the road near the crime scene. The managing crimi-
    nologist in charge of the evidence used to establish Cooper’s
    guilt at trial was, as it turns out, a heroin addict, and was fired
    for stealing drugs seized by the police. Countless other
    alleged problems with the handling and disclosure of evidence
    and the integrity of the forensic testing and investigation
    undermine confidence in the evidence. As the Supreme Court
    observed in Kyles v. Whitley, “[w]hen, for example, the pro-
    bative force of evidence depends on the circumstances in
    which it was obtained and those circumstances raise a possi-
    bility of fraud, indications of conscientious police work will
    enhance probative force and slovenly work will diminish it.”
    
    514 U.S. 419
    , 446 n.15 (1995).
    The legitimacy of our criminal justice system depends on
    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 same principle extends to the police and
    their investigatory work in supporting the prosecution. Of
    15888                      COOPER v. BROWN
    course we don’t demand or expect perfection. But we expect
    full disclosure, competency in the investigation, and confi-
    dence in the evidence. To be sure, sometimes the prosecution
    is hampered by sloppy police work. And sometimes inept
    investigation and disclosure by the police colors the prosecu-
    tion. But, the obligation of the prosecutor to disclose evidence
    favorable to the defense serves to “justify trust in the prosecu-
    tor as ‘the representative . . . of a sovereignty . . . whose inter-
    est . . . in a criminal prosecution is not that it shall win a case,
    but that justice shall be done.” Kyles, 
    514 U.S. at 439
     (quoting
    Berger v. United States, 
    295 U.S. 78
    , 88 (1935)).
    Despite the presence of serious questions as to the integrity
    of the investigation and evidence supporting the conviction,
    we are constrained by the requirements of the Antiterrorism
    and Effective Death Penalty Act of 1996 (AEDPA), 
    28 U.S.C. § 2244
    (b)(2)(b). The only exception potentially applicable in
    Cooper’s case requires Cooper to present facts that “could not
    have been discovered previously through the exercise of due
    diligence,” and that, if proven, and “viewed in light of the evi-
    dence as a whole, would be sufficient to establish by clear
    and convincing evidence that, but for constitutional error, no
    reasonable factfinder would have found [Cooper] guilty of
    the underlying offense.” 
    28 U.S.C. § 2244
    (b)(2)(B) (empha-
    ses added).
    In light of this demanding statutory barrier, I agree that
    Cooper has failed to qualify for relief. Nonetheless, I write
    separately to draw attention to the illustrative troubling cir-
    cumstances involving the alleged state mishandling of evi-
    dence. The forensic evidence in this case is critical and yet
    was compromised.1 These facts are all the more troubling
    because Cooper’s life is at stake.
    1
    Other evidence, such as the eye witness testimony, was wide-ranging
    and contradictory. For example, following the murders, Josh initially sig-
    naled that three men were his attackers. He also signaled that they were
    not black or dark-skinned. Later, he saw Cooper on television and said that
    Cooper was not the attacker and that he had never seen Cooper, an obser-
    vation he also shared with his grandmother. A year and a half later, Josh
    testified that Cooper had done the killing.
    COOPER v. BROWN                    15889
    II.
    Following are illustrative examples of evidentiary gaps,
    mishandling of evidence and suspicious circumstances.
    DESTRUCTION OF BLOODY COVERALLS
    During the pre-trial investigation, a woman named Diana
    Roper phoned police to report a pair of bloody coveralls left
    at her house by her then-boyfriend, Lee Furrow. Roper told
    police that Furrow may have been involved in the Ryen-
    Hughes murders. Furrow’s hatchet was missing from his tool
    belt after the murders, and Roper also reported erratic behav-
    ior and remarks that aroused her suspicion.
    According to Roper and her sister, on the day after the mur-
    ders, Furrow showed up in a car that matched the description
    of the Ryens’ station wagon. Roper also explained that Fur-
    row bragged about his three rules “to follow anytime you do
    a crime:” “wear gloves, never wear your own shoes and never
    leave a witness alive.”
    In the face of this potential link between Furrow and the
    murders, and despite being a convicted murderer, Furrow was
    never pursued as a suspect. See, e.g., Allen v. Woodford, 
    395 F.3d 979
    , 986 (9th Cir. 2005) (“When Furrow and Kitts were
    finally left alone, Furrow began to strangle Kitts, only to be
    interrupted by a phone call . . . . Furrow then strangled Kitts
    to death . . . tie[d] stones to Kitt’s wrapped-up body and . . .
    [threw] it into a canal.”).
    The coveralls were turned over to a detective, but case
    investigators did not follow up. The homicide division did not
    return phone calls. Then, before completion of the preliminary
    hearing, the detective threw the coveralls away in a dumpster.
    Although the destruction of the coveralls was known at trial
    and was pursued during Cooper’s first federal habeas petition,
    the destruction of evidence was claimed to be the misguided
    15890                   COOPER v. BROWN
    act of a single officer. Only later, long after the trial, did the
    defense discover previously undisclosed documentary evi-
    dence to the contrary—a police department memorandum
    confirming destruction of the coveralls, signed by a higher
    ranking supervisory officer. Destruction of bloody coveralls
    from a potential suspect is not an inconsequential forensic
    gaffe.
    THE MISSING SHIRT
    Although two suspicious and potentially bloodied t-shirts
    were apparently turned over to the police and logged in as
    evidence during the murder investigation, only one of these—
    a yellow t- shirt—was disclosed to the defense. However, the
    police logged in a second, possibly blood-covered shirt and
    recorded it as a blue shirt. The blue shirt was not produced to
    the defense and reference to the shirt was only found when,
    post-conviction, defense counsel was combing through later-
    discovered police logs.
    In yet another investigative contradiction, the state now
    claims that the blue t-shirt was actually the yellow t-shirt that
    was properly disclosed. However, the woman who found the
    shirt on the side of the road not far from the crime scene and
    who reported the blue t-shirt remembers it as blue. The writ-
    ten log clearly reflects a blue t-shirt, and separately notes a
    yellow t-shirt.
    The district court concluded that the log reflecting the blue
    t-shirt was produced to the defense earlier, and hence the blue
    t-shirt did not constitute new evidence. Cooper claims the
    page in question is not stamped in the same format as the
    other police log pages produced in pre-trial discovery. No
    explanation is provided for this discrepancy. Even had the
    page been produced, the t-shirt itself was undeniably never
    produced. Has the t-shirt gone the way of the destroyed cover-
    alls? Is the blue t-shirt really the yellow t-shirt? How could a
    COOPER v. BROWN                    15891
    shirt described as blue become yellow? Once again, bungled
    records and bungled investigative work obscure the truth.
    BLOOD DROP A-41
    Blood drop A-41 is the most controversial and crucial
    aspect of the state’s case, yet it was handled carelessly from
    the time it was first acquired. To begin, no one actually
    remembers finding A-41; everyone claims that someone else
    pointed it out.
    When originally tested, Cooper’s blood type was identified
    as Type B, and subsequently A-41 was identified as Type B.
    Soon after, it came to light that Cooper’s blood type was actu-
    ally RB, and then A-41 was determined to be RB as well. One
    criminologist changed his testimony regarding the depletion
    of the sample. The criminologist originally thought he ran low
    on the blood stored inside a small pill box, but later more “ap-
    peared” to him that he claimed not to have seen initially. In
    1991, the Supreme Court of California determined that after
    the final pre-trial tests on A-41, the sample was “completely
    consumed.” People v. Cooper, 
    809 P.2d 865
    , 878 (Cal. 1991).
    Criminologist Daniel Gregonis, who tested Cooper’s blood,
    saliva and semen, is alleged to have repeatedly mishandled
    the biological evidence both pre- and post-trial. Evidence
    points to the fact that Gregonis broke the seal on A-41 in
    1999, potentially contaminating it, and conducted testing of
    unknown source evidence specimens by placing them along-
    side the samples drawn from Cooper. In state court, Gregonis
    testified that he did not open the glassine envelope containing
    A-41 during the time it was in his unsupervised custody.
    However, photographic evidence reveals that A-41 was
    opened and resealed with the initials DJG (Daniel John Gre-
    gonis) and the date “8/13/99,” which was during the period
    that the sample was checked out to Gregonis. After trial, Gre-
    gonis also allegedly checked out and mislaid a sample of Coo-
    per’s saliva. On several other occasions, Gregonis altered his
    15892                  COOPER v. BROWN
    laboratory notes and changed his testimony about laboratory
    testing. The chain of custody of the blood sample is also in
    question due to mishandling by Gregonis.
    To make matters worse, the manager of the San Bernadino
    Sheriff’s Crime Laboratory was a heroin addict during the
    time period in question and was later dismissed from his
    employment for allegedly stealing heroin from the police evi-
    dence cache. As in House v. Bell, “the evidentiary disarray”
    and the “limited rebuttal of it in the present record, would pre-
    vent reasonable jurors from placing significant reliance on the
    blood evidence.” 
    126 S. Ct. 2064
    , 2083 (2006). Resting Coo-
    per’s conviction on the DNA evidence, which was not before
    the jury, is particularly problematic because of the extensive
    evidence documenting the mishandling of the evidence.
    THE WIDE AVAILABILITY OF KEDS SHOES
    The Keds tennis shoes are perhaps the most damning evi-
    dence against Cooper. As the prosecution stated in its opening
    statement, the shoes “were supplied strictly for prison use
    within the state of California and unavailable through retail
    stores in California.” However, we now know that the Keds
    shoes believed at trial to be issued only to prison inmates
    were actually provided by various government entities,
    including the Forest Service, Navy, and state hospitals, and
    were available through retail catalogs.
    In district court, Cooper produced a catalog, not before the
    jury in 1985, that demonstrated that the shoes were available
    for retail sale. According to Cooper, the widespread availabil-
    ity of the shoes was known to the prosecution at the time of
    trial, as it had been reported by the warden of the minimum
    security prison from which Cooper escaped. But the prosecu-
    tion failed to disclose this evidence. Before trial, the warden
    reported to a lead investigator that the notion that the shoes
    were prison-issue only was inaccurate and that the shoes were
    commercially available to the public through Sears Roebuck
    COOPER v. BROWN                    15893
    and other retail outlets. Cooper’s trial attorney confirmed that
    at the time of trial he was “not aware the Pro Keds Dude ten-
    nis shoes were listed for sale in a retail catalogue” and that
    had he known this information he “would have featured that
    fact prominently in the defense at trial.”
    The habeas process does not account for lingering doubt or
    new evidence that cannot leap the clear and convincing hurdle
    of AEDPA. Instead, we are left with a situation in which con-
    fidence in the blood sample is murky at best, and lost,
    destroyed or tampered evidence cannot be factored into the
    final analysis of doubt. The result is wholly discomforting,
    but one that the law demands.