Rippo v. State , 2016 NV 11 ( 2016 )


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  •                                                    132 Nev., Advance Opinion 1 1
    IN THE SUPREME COURT OF THE STATE OF NEVADA
    MICHAEL DAMON RIPPO,                                   No. 53626
    Appellant,
    vs.
    THE STATE OF NEVADA,
    FILED
    Respondent.                                                  FEB 2 5 2016
    BY
    Appeal from the denial of a postconviction petition fdr a writ of
    habeas corpus in a death penalty case. Eighth Judicial District Court,
    Clark County; David Wall, Judge.
    Affirmed.
    Rene L. Valladares, Federal Public Defender, and David Anthony and
    Michael Pescetta, Assistant Public Defenders, Las Vegas,
    for Appellant.
    Adam Paul Laxalt, Attorney General, Carson City; Steven S. Owens, Chief
    Deputy District Attorney, Clark County,
    for Respondent.'
    'After this appeal was briefed, argued, and submitted for decision,
    attorney Steven Wolfson was appointed Clark County District Attorney.
    Mr. Wolfson was one of the attorneys who represented appellant Michael
    Damon Rippo at trial. He has not appeared as the district attorney in this
    appeal.
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    (0) I907A                                                                         k_o
    BEFORE PARRAGUIRRE, C.J., HARDESTY, DOUGLAS, CHERRY,
    SAITTA, GIBBONS and PICKERING, JJ.
    OPINION
    PER CURIAM:
    The bodies of Denise Lizzi and Lauri Jacobson were found in
    Jacobson's apartment on February 20, 1992. Both women had been
    strangled. A jury found appellant Michael Damon Rippo guilty of two
    counts of first-degree murder and related felonies in 1996 and sentenced
    him to death. His convictions and sentences were affirmed on appeal,
    Rippo v. State, 
    113 Nev. 1239
    , 
    946 P.2d 1017
     (1997), and he was denied
    relief in a postconviction habeas proceeding, Rippo v. State, 
    122 Nev. 1086
    ,
    
    146 P.3d 279
     (2006). Rippo then filed a second postconviction petition for
    a writ of habeas corpus in state court. The petition was both untimely and
    successive. The district court determined that Rippo failed to make the
    showing required to excuse those procedural bars and denied the petition.
    In this opinion, we focus on Rippo's claim that the ineffective
    assistance of the attorney who represented him in the first postconviction
    proceeding excused the procedural bars to claims raised in his second
    petition. This court has held that where a petitioner is entitled to the
    appointment of postconviction counsel pursuant to a statutory mandate,
    the ineffective assistance of that counsel may provide good cause for filing
    a second petition. Crump v. Warden, 
    113 Nev. 293
    , 
    934 P.2d 247
     (1997);
    McKague v. Warden, 
    112 Nev. 159
    , 
    912 P.2d 255
     (1996). But the
    ineffective-assistance claim must not itself be procedurally barred,
    Hathaway v. State, 
    119 Nev. 248
    , 252, 
    71 P.3d 503
    , 506 (2003), such as
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    being raised in an untimely fashion, see NRS 34.726; State v. Eighth
    Judicial Dist. Court (Riker), 
    121 Nev. 225
    , 235, 
    112 P.3d 1070
    , 1077
    (2005). We take this opportunity to provide guidance on two issues related
    to whether an ineffective-assistance-of-postconviction-counsel claim,
    asserted as good cause to excuse other defaulted claims, has been raised in
    a timely fashion: (1) when does a postconviction-counsel claim reasonably
    become available, and (2) what is a reasonable time thereafter in which
    the claim must be asserted. As to the first question, we hold that the
    factual basis for a claim of ineffective assistance of postconviction counsel
    is not reasonably available until the conclusion of the postconviction
    proceedings in which the ineffective assistance allegedly occurred. As to
    the second question, we hold that a petition asserting ineffective
    assistance of postconviction counsel to excuse the procedural default of
    other claims has been filed within a reasonable time after the
    postconviction-counsel claim became available so long as it is filed within
    one year after entry of the district court's order disposing of the prior
    petition or, if a timely appeal was taken from the district court's order,
    within one year after this court issues its remittitur. We also take this
    opportunity to explain the test for evaluating claims of ineffective
    assistance of postconviction counsel, adopting the two-prong test set forth
    in Strickland v. Washington, 
    466 U.S. 668
     (1984).
    Applying these holdings, we conclude that although Rippo
    filed his petition within a reasonable time after the postconviction-counsel
    claims became available, those claims lack merit and therefore he has not
    demonstrated good cause for an untimely petition or good cause and
    prejudice for a second petition. We also reject his other allegations of good
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    cause and prejudice. The district court properly denied the petition as
    procedurally barred. We therefore affirm.
    FACTS AND PROCEDURAL HISTORY
    Rippo and his girlfriend, Diana Hunt, were charged in the
    robbery and murder of Lizzi and Jacobson. 2 Hunt agreed to plead guilty to
    robbery and testify against Rippo. According to Hunt's testimony, Rippo
    hatched a plan to rob Lizzi that included Hunt subduing Jacobson by
    hitting her with a beer bottle. In carrying out the plan, Rippo used a stun
    gun to subdue both women, bound and gagged them, and strangled them; 3
    wiped down the apartment with a rag and removed Lizzi's boots and pants
    because he had bled on her pants; and took Lizzi's car and credit cards,
    later using the credit cards to make several purchases. Approximately one
    week later, Rippo confronted Hunt, who suggested that they turn
    themselves in to the police. Rippo refused, telling Hunt that he had
    returned to Jacobson's apartment, cut the women's throats, and jumped
    up and down on them. Other witnesses provided testimony linking Rippo
    to property taken from the women. And several witnesses testified to
    incriminating statements made by Rippo. The medical examiner testified
    that Lizzi's injuries were consistent with manual and ligature
    °The facts are set forth in greater detail in our opinion on direct
    appeal from the judgment of conviction. Rippo, 113 Nev. at 1244-47, 
    946 P.2d at 1021-23
    .
    3 Hunttestified that when she accused Rippo of choking the women,
    he told her that he had temporarily cut off their air supply and that he
    and Hunt needed to leave before the women regained consciousness.
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    strangulation and that Jacobson died from asphyxiation due to manual
    strangulation. But the medical examiner also testified that neither body
    revealed stun gun marks. A jury found Rippo guilty of two counts of first-
    degree murder and one count each of robbery and unauthorized use of a
    credit card.
    At the penalty hearing, the State alleged six aggravating
    circumstances: that the murders were committed (1) by a person who was
    under a sentence of imprisonment; (2) by a person who was previously
    convicted of a felony involving the use or threat of violence to the person of
    another; (3) during the commission of a burglary; (4) during the
    commission of a kidnapping; (5) during the commission of a robbery; and
    (6) that the murders involved torture, depravity of mind, or the mutilation
    of the victims In support of the first two aggravating circumstances, the
    State presented evidence that Rippo had a prior conviction for sexual
    assault and was on parole at the time of the murders. The remaining
    aggravating circumstances were supported by the guilt-phase evidence. In
    addition to the evidence supporting the aggravating circumstances, the
    State presented evidence that Rippo had a prior conviction for burglary
    and had confessed to committing numerous burglaries. The State also
    presented evidence about Rippo's conduct while in prison, that on one
    occasion he had been found with weapons in his cell, and on another
    occasion he threatened to kill a female prison guard. Finally, the State
    called five members of Jacobson's and Lizzi's families who provided victim-
    impact testimony.
    The defense presented three witnesses in mitigation: (1) a
    prison worker testified that Rippo had not presented any problems while
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    incarcerated; (2) Hippo's stepfather, Robert Duncan, testified regarding
    Hippo's friendly behavior when living with him while on parole and asked
    the jury to spare Hippo's life; and (3) Hippo's sister testified that their
    former stepfather, James Anzini, emotionally abused Hippo and had stolen
    his paychecks and gambled them away, and she urged the jury to show
    mercy. The defense also presented a letter from Hippo's mother, who was
    unable to testify in person because of medical issues. She described
    Hippo's upbringing and personality as a child (inquisitive, tender, and
    loving). She explained that Anzini made his living by gambling and that
    as a result, the family environment was not stable. She further described
    Hippo's relationship with Anzini in his teen years; the circumstances
    leading to Rippo's juvenile adjudication and commitment; the impact on
    the family environment and Hippo when Anzini was diagnosed with
    terminal cancer, eventually leading up to the sexual assault committed by
    Hippo in 1981; and Hippo's efforts to improve himself while incarcerated.
    At the conclusion of the penalty hearing, Rippo made a statement in
    allocution.
    The jury found all six aggravating circumstances, concluded
    that the mitigating circumstances did not outweigh the aggravating
    circumstances, and imposed a sentence of death for each murder. This
    court affirmed the convictions and sentences on direct appeal.      Rippo, 113
    Nev. at 1265, 
    946 P.2d at 1033
    . The remittitur issued on November 3,
    1998.
    Hippo filed a timely postconviction petition for a writ of habeas
    corpus in the district court on December 4, 1998, which was supplemented
    twice (on August 8, 2002, and February 10, 2004). As required by NHS
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    34.820, Hippo was represented by court-appointed counsel in the
    postconviction proceeding Following an evidentiary hearing, the district
    court denied the petition.   See Rippo, 122 Nev. at 1091, 146 P.3d at 282.
    On appeal, this court struck three of the six aggravating circumstances
    pursuant to McConnell v. State, 
    120 Nev. 1043
    , 
    102 P.3d 606
     (2004)—the
    circumstances alleging that the murders occurred during the commission
    of a burglary, a kidnapping, and a robbery—but affirmed the denial of
    Hippo's petition after concluding in a 4-3 decision that the jury's
    consideration of the invalid aggravating circumstances was harmless
    beyond a reasonable doubt. Rippo, 122 Nev. at 1094, 1098, 146 P.3d at
    284, 287. The remittitur issued on January 16, 2007.
    Hippo filed a second postconviction petition for a writ of
    habeas corpus on January 15, 2008, with the assistance of the Federal
    Public Defender's Office. The 193-page petition asserted 22 grounds for
    relief, some of which had been raised in prior proceedings and others that
    were new. 4 The State moved to dismiss the petition as procedurally
    barred, and Rippo sought leave to conduct discovery. After hearing
    argument on the petition and motions, the district court granted the
    State's motion to dismiss and denied Hippo's motion for discovery as moot.
    This appeal followed.
    4 The   petition was accompanied by approximately 17 volumes of
    exhibits.
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    DISCUSSION
    The petition at issue raised claims for relief based on trial
    error, prosecutorial misconduct and failure to disclose evidence, ineffective
    assistance of trial counsel, ineffective assistance of appellate counsel, and
    ineffective assistance of postconviction counsel. Rippo acknowledged that
    the petition was not filed within the time period provided by NRS
    34.726(1) and that most of the grounds in the petition were either waived,
    successive, or an abuse of the writ and therefore subject to various
    procedural defaults under NRS 34.810. He provided several explanations
    for his failure to file the petition within the time provided by MRS
    34.726(1) and for failing to raise the new claims in prior proceedings or
    raising the claims again. The district court dismissed the petition as
    procedurally defaulted, specifically mentioning NRS 34.726 and NRS
    34.810(2). In reviewing the district court's application of the procedural
    default rules, we will give deference to its factual findings but "will review
    the court's application of the law to those facts de novo." State v. Huebler,
    
    128 Nev. 192
    , 197, 
    275 P.3d 91
    , 95 (2012).
    Ineffective assistance of postconviction counsel as cause and prejudice to
    excuse a procedural default
    This opinion focuses on Rippo's allegations that counsel
    appointed to represent him in his first postconviction proceeding provided
    ineffective assistance (postconviction-counsel claim). We have recognized
    a right to effective assistance of postconviction counsel only where the
    appointment of postconviction counsel is statutorily mandated.             See
    Crump v. Warden, 
    113 Nev. 293
    , 303 & n.5, 
    934 P.2d 247
    , 253 & n.5
    (1997); McKague v. Warden, 
    112 Nev. 159
    , 165 n.5, 
    912 P.2d 255
    , 258 n.5
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    (1996). Under Nevada law, the appointment of postconviction counsel is
    statutorily mandated in one circumstance: where the "petitioner has been
    sentenced to death and the petition is the first one challenging the validity
    of the petitioner's conviction or sentence." NRS 34.820(1)(a). That is the
    case here—Hippo has been sentenced to death and his prior petition was
    the first one challenging the validity of his conviction and sentence. Hippo
    therefore was entitled to effective assistance of that counsel.
    Hippo's allegations regarding postconviction counsel arise in
    two contexts. First, Hippo asserted a postconviction-counsel claim as a
    free-standing claim for relief from his judgment of conviction and sentence
    (claim 20(A), (B)). 5 Second, Hippo asserted that postconviction counsel's
    ineffective assistance established "cause and prejudice" to excuse the
    procedural default of the other claims in his petition. In both contexts, we
    must address the allegations about postconviction counsel's performance
    within the prism of the three procedural bars that are implicated by the
    petition and the district court's decision: the second-or-successive-petition
    °The free-standing claim raises another issue that has not been
    adequately addressed by the parties and therefore is not addressed in this
    opinion: whether a free-standing claim of ineffective assistance of
    postconviction counsel is cognizable in a postconviction petition for a writ
    of habeas corpus given that there is no constitutional right to
    postconviction counsel. See NRS 34.724(1) ("Any person convicted of a
    crime and under sentence of death or imprisonment who claims that the
    conviction was obtained, or that the sentence was imposed, in violation of
    the Constitution of the United States or the Constitution or laws of this
    State . . . may. . . file a postconviction petition for a writ of habeas corpus
    to obtain relief from the conviction or sentence . . . ." (emphasis added)).
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    bar set forth in NRS 34.810(2), the waiver bar set forth in NRS
    34.810(1)(b), and the time bar set forth in NRS 34.726(1). 6
    Successive petitions and abuse of the writ
    We start with the statutory provision that limits second or
    successive habeas petitions that challenge a judgment of conviction or
    sentence. Under NRS 34.810(2), such a petition must be dismissed in
    either of two circumstances: (1) if "it fails to allege new or different
    grounds for relief and. . the prior determination was on the merits" or
    (2) "if new and different grounds are alleged" and the court finds that the
    petitioner's failure "to assert those grounds in a prior petition constituted
    an abuse of the writ." To avoid dismissal under this provision, the
    6 Rippo's   petition was subject to a fourth procedural bar, laches
    under NRS 34.800, because it was filed more than five years after our
    decision on direct appeal from the judgment of conviction.            See NRS
    34.800(2). Although the State pleaded laches below as required by MRS
    34.800(2), we decline to address it on appeal for two reasons. First, the
    district court did not mention laches in its order, and the State has not
    asserted it as an alternative basis on which to affirm the district court's
    decision aside from a summary statement on the final page of its brief that
    claim 21 is "subject to laches." Second, we need not consider whether the
    petition is procedurally defaulted under NRS 34.800 because it is
    procedurally defaulted under other provisions. See Riker, 121 Nev. at 239,
    
    112 P.3d at 1079
     ("A court need not discuss or decide every potential basis
    for its decision as long as one ground sufficient for the decision
    exists. . . . Thus, our conclusion in a case that one procedural bar precludes
    relief carries no implication regarding the potential applicability of other
    procedural bars." (footnote omitted)); see also Pellegrini v. State, 
    117 Nev. 860
    , 867 n.5, 
    34 P.3d 519
    , 524 n.5 (2001) (declining to address laches
    where claims were procedurally barred under other provisions and district
    court's order did not rely on laches).
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    petitioner must plead and prove specific facts that demonstrate both
    "[g]ood cause for the petitioner's failure to present the claim or for
    presenting the claim again" and "[a]ctual prejudice to the petitioner."
    NRS 34.810(3). Here, the prior petition was resolved on the merits and all
    of the grounds in the second petition had been raised in the prior petition
    or were new and different grounds for relief. The second petition therefore
    was subject to dismissal under NRS 34.810(2) absent a showing of cause
    and prejudice under NRS 34.810(3).
    Failure to raise claims in prior proceedings
    A petition also may be subject to dismissal under NRS
    34.810(1)(b) if it raises any grounds that could have been raised in a prior
    proceeding (whether at trial, on appeal, or in a prior postconviction
    proceeding). Like the procedural default for second and successive
    petitions under NRS 34.810(2), this procedural default may be excused by
    a showing of "cause for the failure to present the grounds and actual
    prejudice," NRS 34.810(1)(b), and the petitioner has "the burden of
    pleading and proving specific facts that demonstrate" cause and actual
    prejudice, NRS 34.810(3). Most of the grounds raised in Rippo's petition
    could have been raised in a prior proceeding, including those based on
    alleged errors that occurred at trial (claims 1, 2, 6-14), which could have
    been raised on direct appeal; ineffective assistance of trial and appellate
    counsel (claims 3-8, 10-12, 14, 16-19), which could have been raised in the
    prior postconviction habeas petition; errors on appellate review (claim 15),
    which could have been raised in a petition for rehearing; and errors or
    irregularities in the prior postconviction proceeding (claim 20(C)-(G)),
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    which could have been raised in the prior postconviction appeal. Those
    grounds therefore are subject to dismissal under NRS 34.810(1)(b)."
    Procedural default of cause-and-prejudice claim
    To demonstrate the cause required to excuse the procedural
    default of claims under NRS 34.810(1)(b) and (2), the petitioner must show
    that "an impediment external to the defense" prevented the petitioner
    from presenting the claims previously or warrants presenting them again.
    Clem v. State, 
    119 Nev. 615
    , 621, 
    81 P.3d 521
    , 525 (2003). In an effort to
    make the required showing, Rippo relies primarily on allegations that his
    first postconviction counsel provided ineffective assistance.
    This court has addressed ineffective assistance of
    postconviction counsel as cause to excuse a procedural default under NRS
    34.810(1)(b) in Crump. In that case, we held that where a petitioner has
    the statutory right to assistance of postconviction counsel, a meritorious
    claim that postconviction counsel provided ineffective assistance may
    establish cause under NRS 34.810(1)(b) for the failure to present claims
    for relief in a prior postconviction petition for a writ of habeas corpus. 8
    "The free-standing postconviction-counsel claim (claim 20(A), (B))
    could not have been raised in a prior proceeding; that ground therefore is
    not subject to NRS 34.810(1)(b) to the extent that it is cognizable, see
    supra n.5. See Riker, 121 Nev. at 235, 
    112 P.3d at 1077
    .
    8 We  have held that good cause cannot be shown based on a
    postconviction-counsel claim where there is no constitutional or statutory
    right to counsel. McKague, 112 Nev. at 164-65, 
    912 P.2d at 258
    ; see also
    Brown v. McDaniel, 130 Nev., Adv. Op. 60, 
    331 P.3d 867
    , 869 (2014)
    (holding that decision in Martinez v. Ryan, 566 U.S. , 
    132 S. Ct. 1309
    continued on next page . . .
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    113 Nev. 293
    , 304-05, 
    934 P.2d 247
    , 254 (1997). But we have also
    recognized that an ineffective-assistance-of-counsel claim cannot be
    asserted as cause to excuse the procedural default of another claim for
    relief if the ineffective-assistance claim is itself defaulted.   Hathaway v.
    State, 
    119 Nev. 248
    , 252, 
    71 P.3d 503
    , 506 (2003); accord Edwards v.
    Carpenter, 
    529 U.S. 446
    , 452-54 (2000) (holding that ineffective-assistance
    claim asserted in federal habeas petition as cause for procedural default of
    another claim may itself be subject to procedural default that can be
    excused only by satisfying cause-and-prejudice standard with respect to
    ineffective-assistance claim). That is the case here: Rippo's ineffective-
    assistance-of-postconviction-counsel claim is itself subject to procedural
    default under NRS 34.726(1). 9 Riker, 121 Nev. at 235, 
    112 P.3d at 1077
    ;
    see also Pellegrini, 
    117 Nev. at 869-70
    , 
    34 P.3d at 526
     (rejecting argument
    that NRS 34.726 does not apply to second or successive petitions).
    . . . continued
    (2012), does not address state procedural default rules and refusing to
    recognize ineffective assistance of postconviction counsel as good cause
    where petitioner did not have statutory or constitutional right to
    postconviction counsel).
    9 Thisprocedural default was not addressed in Crump because
    Crump filed his petition in 1989, before NRS 34.726 had been adopted.
    See 1991 Nev. Stat., ch. 44, § 5, at 75-76 (adopting NRS 34.726); id. § 33,
    at 92 (providing that amendments did not apply to postconviction
    proceedings commenced before January 1, 1993).
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    Availability of postconviction-counsel claim and time within
    which it must be raised
    Under NRS 34.726(1), a habeas petition challenging a
    judgment of conviction or sentence must be filed within one year after
    entry of the judgment of conviction, or if a timely appeal is taken from the
    judgment of conviction, within one year after this court issues its
    remittitur on direct appeal from the judgment of conviction.      Dickerson v.
    State, 
    114 Nev. 1084
    , 1087-88, 
    967 P.2d 1132
    , 1133-34 (1998) (construing
    NRS 34.726(1) to allow one year from remittitur on direct appeal only if
    direct appeal was timely). Hippo's petition was not filed within that time
    period. To excuse the delay in filing the petition, Hippo had to
    demonstrate good cause for the delay. NRS 34.726(1). A showing of good
    cause for the delay has two components: (1) that the delay was not the
    petitioner's fault and (2) that "dismissal of the petition as untimely will
    unduly prejudice the petitioner." 
    Id.
    The first component of the cause standard under NRS
    34.726(1) requires a showing that "an impediment external to the defense"
    prevented the petitioner from filing the petition within the time
    constraints provided by the statute.         Clem, 119 Nev. at 621, 
    81 P.3d at 525
    ; Hathaway, 119 Nev. at 252, 
    71 P.3d at 506
    . "A qualifying
    impediment might be shown where the factual or legal basis for a claim
    was not reasonably available at the time of any default." Clem, 119 Nev.
    at 621, 
    81 P.3d at 525
    ; see also Hathaway, 119 Nev. at 252, 
    71 P.3d at 506
    .
    Hippo argues that there was such an impediment. Specifically, he asserts
    that the delay in filing the petition was due to ineffective assistance of
    postconviction counsel and that his postconviction-counsel claim was not
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    available at the time of the procedural default under NRS 34.726(1). We
    agree.
    The availability of a postconviction-counsel claim is related to
    the showing that a petitioner must make to prove the claim. To make out
    a claim that postconviction counsel provided ineffective assistance, a
    petitioner must demonstrate that counsel's performance was deficient and
    that the deficient performance resulted in prejudice.   See discussion infra
    pp. 20-24. Although a petitioner knows during the course of the
    postconviction proceedings that postconviction counsel omitted claims or
    presented claims in a certain way, he cannot state a claim of ineffective
    assistance of postconviction counsel until he has suffered prejudice. The
    basis for the claim thus depends on the conclusion of the postconviction
    proceedings in which the ineffective assistance allegedly occurred. Paz v.
    State, 
    852 P.2d 1355
    , 1358 (Idaho 1993) (Bistline, J., dissenting); cf.
    K.J.B., Inc. v. Drakulich, 
    107 Nev. 367
    , 369-70, 
    811 P.2d 1305
    , 1306 (1991)
    (explaining that statute of limitations for attorney malpractice action does
    not begin to run until claimant sustains damages and "that damages for
    attorney malpractice are premature and speculative until the conclusion of
    the underlying lawsuit in which the professional negligence allegedly
    occurred"). In this case, as with most capital cases, the postconviction
    proceedings did not conclude within the time period provided in NRS
    34.726(1). Therefore, the claim that postconviction counsel provided
    ineffective assistance in litigating the prior petition was not reasonably
    available to Rippo at the time of the procedural default under NRS
    34.726(1).
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    The fact that the claim was not reasonably available within
    the one-year period does not end the inquiry because a petitioner does not
    have an indefinite period of time to raise a postconviction-counsel claim.
    As we have recognized, "[t]he necessity for a workable [criminal justice]
    system dictates that there must exist a time when a criminal conviction is
    final."   Groesbeck v. Warden, 
    100 Nev. 259
    , 261, 
    679 P.2d 1268
    , 1269
    (1984) (explaining consideration behind decision to restrict postconviction
    petition for writ of habeas corpus before enactment of specific statutory
    time limitations on such petitions). Consistent with that need for finality,
    we have held that when a petition raises a claim that was not available at
    the time of a procedural default under NRS 34.726(1), it must be filed
    within "a reasonable time" after the basis for the claim becomes available.
    Hathaway, 119 Nev. at 254-55, 
    71 P.3d at 507-08
     (discussing delay in
    filing petition alleging appeal-deprivation claim where petitioner believed
    that attorney had filed appeal and did not learn of attorney's failure to file
    appeal before procedural default under NRS 34.726(1)). To determine
    whether Hippo's petition was filed within a reasonable time, we must
    answer two questions: (1) when does a claim that postconviction counsel
    provided ineffective assistance become available, and (2) what is a
    reasonable time thereafter for filing a petition that raises the claim.
    The answer to the first question is related to the basis for a
    postconviction-counsel claim. We reasoned above that a necessary basis
    for a claim of ineffective assistance of postconviction counsel depends on
    the conclusion of the postconviction proceedings in which the ineffective
    assistance allegedly occurred. Consistent with that determination, we
    conclude that the postconviction-counsel claim becomes available at the
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    4i,
    conclusion of those proceedings. Although there is no mandatory appeal in
    the postconviction context and it is not clear that there is a statutory right
    to counsel to pursue an appeal from an order denying a postconviction
    habeas petition even when there was such a right to counsel in the district
    court, 1-0 we conclude that as a practical matter, if a timely appeal is taken,
    the postconviction proceeding concludes when this court issues its
    remittitur on appeal. Otherwise, there is the potential for piecemeal
    litigation that would further clog the criminal justice system.    If no timely
    appeal is filed, the postconviction proceeding concludes when the district
    court enters its judgment resolving the petition. In this case, the prior
    postconviction proceeding concluded when this court issued its remittitur
    in the postconviction appeal on January 16, 2007. Rippo's postconviction-
    counsel claim therefore became available on that date.
    The next question is whether Rippo's petition was filed within
    a reasonable time after the postconviction-counsel claim became available.
    Rippo asserts that a reasonable time for filing a petition that raises a
    wThe Supreme Court has indicated that there is no constitutional
    right to assistance of counsel on appeal from an "initial-review collateral
    proceeding." Coleman v. Thompson, 
    501 U.S. 722
    , 755 (1991); see also
    Martinez v. Ryan, 566 U.S. „ 
    132 S. Ct. 1309
    , 1320 (2012) ("The
    holding in this case does not concern attorney errors in other kinds of
    proceedings, including appeals from initial-review collateral proceedings,
    second or successive collateral proceedings, and petitions for discretionary
    review in a State's appellate courts."). And NRS 34.820(1)(a) does not
    clearly indicate whether the mandatory appointment of counsel pursuant
    to that statute carries over to an appeal.
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    postconviction-counsel claim would be within one year after the claim
    becomes available, similar to the time limit set forth in NRS 34.726(1).
    The State, on the other hand, suggests that a delay of even less than one
    year may be unreasonable depending on the circumstances, thus
    proposing more of a claim-by-claim approach. Both positions hold some
    appeal. Rippo's position provides a bright-line rule while providing
    sufficient time to investigate additional claims that may not appear from
    the record. The State's position acknowledges that most omitted claims
    will appear in the record and that a year is not required for all claims that
    may have been unavailable at the time of a default under NRS 34.726(1).
    We are reluctant, however, to take the State's approach because it would
    only add to the already endless litigation over the application of the
    procedural default rules, rules that are supposed to discourage the
    perpetual filing of habeas petitions, see Pellegrini, 
    117 Nev. at 875
    , 
    34 P.3d at 529
    . One needs only look to the California experience in applying its
    requirement that a habeas petition be filed without "substantial delay" to
    understand our reticence to use an imprecise standard in this arena.      See
    generally In re Gallego, 
    959 P.2d 290
     (Cal. 1998); In re Robbins, 
    959 P.2d 311
     (Cal. 1998); In re Clark, 
    855 P.2d 729
     (Cal. 1993); see also Carey v.
    Saffold, 
    536 U.S. 214
    , 223 (2002) (discussing California's timeliness
    standard in context of applying federal tolling provision and observing
    that he fact that California's timeliness standard is general rather than
    precise may make it more difficult for federal courts to determine just
    when a review application . . . comes too late").
    To provide clearer boundaries, we look to NRS 34.726 for
    guidance. With NRS 34.726(1), the Legislature has determined that one
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    year provides sufficient time within which to raise claims that trial and
    appellate counsel provided ineffective assistance. The same can be said
    with respect to raising a postconviction-counsel claim. Using a similar
    one-year boundary for what is a reasonable time within which to file a
    petition raising a postconviction-counsel claim that was not factually or
    legally available at the time of a procedural default under NRS 34.726 also
    provides some fairness and predictability. CI Pellegrini, 
    117 Nev. at
    874-
    75, 
    34 P.3d at 529
     (concluding that for purposes of determining timeliness
    of successive petitions filed by petitioners whose convictions were final
    before effective date of NRS 34.726, "it is both reasonable and fair to allow
    petitioners one year from the effective date of the amendment to file any
    successive habeas petitions"). We therefore conclude that a claim of
    ineffective assistance of postconviction counsel has been raised within a
    reasonable time after it became available so long as the postconviction
    petition is filed within one year after entry of the district court's order
    disposing of the prior postconviction petition or, if a timely appeal was
    taken from the district court's order, within one year after this court
    issues its remittitur. Because Rippo filed his petition within one year
    after we issued our remittitur on appeal from the order denying the prior
    petition, the second petition was filed within a reasonable time after the
    postconviction-counsel claim became available. Rippo thus met the first
    component of the good-cause showing required under NRS 34.726(1).
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    Undue prejudice to excuse untimely petition based on
    ineffective assistance of postconviction counsel and standard
    for evaluating postconviction counsel's effectiveness
    The second component of the good-cause showing under NRS
    34.726(1) requires the petitioner to demonstrate "What dismissal of the
    petition as untimely will unduly prejudice [him]." A showing of undue
    prejudice necessarily implicates the merits of the postconviction-counsel
    claim, otherwise this requirement would add nothing to the first
    component of the good-cause showing required under NRS 34.726(1) and
    the petitioner would be able to overcome the procedural default under that
    statute without establishing the merits of the postconviction-counsel
    claim.
    To determine whether the postconviction-counsel claim has
    any merit, we must address the standard for evaluating postconviction
    counsel's performance. We have held that the standard set forth in
    Strickland v. Washington, 
    466 U.S. 668
     (1984), applies to evaluate the
    effectiveness of trial counsel, Warden v. Lyons, 
    100 Nev. 430
    , 432-33, 
    683 P.2d 504
    , 505 (1984), and appellate counsel, Kirksey v. State, 
    112 Nev. 980
    ,
    998, 
    923 P.2d 1102
    , 1113 (1996). Similarly, we have indicated that
    Strickland should be used to evaluate the effectiveness of postconviction
    counsel where there is a statutory right to that counsel           Crump v.
    Warden, 
    113 Nev. 293
    , 304, 
    934 P.2d 247
    , 254 (1997) ("[We must remand
    this matter to the district court for an evidentiary hearing to determine
    whether [first postconviction counsel's] omissions constitute ineffective
    assistance of counsel as set forth in Strickland."). But unlike the rights to
    effective assistance of trial and appellate counsel, which are guaranteed by
    SUPREME COURT
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    the Sixth and Fourteenth Amendments to the United States Constitution,
    Evitts v. Lucey, 
    469 U.S. 387
    , 392, 396-97 (1985), there is no recognized
    constitutional right to effective assistance of postconviction counsel,"
    McKague v. Warden, 
    112 Nev. 159
    , 163, 
    912 P.2d 255
    , 257-58 (1996)
    (concluding that neither the United States nor Nevada Constitution
    provides for a right to counsel in postconviction proceedings). Given that
    distinction, we are not obligated to apply Strickland to evaluate
    postconviction counsel's effectiveness.   See People v. Perkins, 
    856 N.E.2d 1178
    , 1183 (Ill. App. Ct. 2006) (observing that with statutory right to
    postconviction counsel, "Strickland is not automatically applicable to
    claims of less-than-reasonable assistance of postconviction counsel").
    However, because Strickland provides a well-established standard that
    has been developed through caselaw and can be easily applied in the
    postconviction-counsel context, see Means v. State, 
    120 Nev. 1001
    , 1011,
    
    103 P.3d 25
    , 32 (2004) (describing Strickland as "a fair, workable and, as
    it turns out, durable standard"), we take this opportunity to explicitly
    adopt the Strickland standard to evaluate postconviction counsel's
    "In the absence of a Supreme Court decision recognizing a
    constitutional right, we reiterate that the limited right to effective
    assistance of postconviction counsel addressed in this opinion arises out of
    the statutory mandate to appoint counsel under NRS 34.820(1)(a), and we
    disavow any prior decisions suggesting that the right has a constitutional
    basis, see, e.g., Pellegrini, 
    117 Nev. at
    887-88 n.125, 
    34 P.3d at
    537 n.125
    (describing McKague as "holding that there is no constitutional right to
    effective assistance of counsel except where state law entitles one to the
    appointment of counsel"); Crump, 113 Nev. at 304-05, 
    934 P.2d at 254
    .
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    performance where there is a statutory right to effective assistance of that
    counsel. 12
    Strickland has two prongs. The petitioner must demonstrate
    (1) that counsel's performance was deficient and (2) that counsel's
    deficient performance prejudiced the defense. Strickland, 
    466 U.S. at 687
    .
    Both showings must be made before counsel can be deemed to have
    provided ineffective assistance, 
    id. at 687
    , but a court need not address the
    prongs in a particular order or even consider both prongs if the petitioner
    makes an insufficient showing on one, 
    id. at 697
    ; see also McNelton v.
    State, 
    115 Nev. 396
    , 403, 
    990 P.2d 1263
    , 1268 (1999). And when a
    petitioner presents a claim of ineffective assistance of postconviction
    counsel on the basis that postconviction counsel failed to prove the
    ineffectiveness of his trial or appellate attorney, the petitioner must prove
    the ineffectiveness of both attorneys.     State v. Jim, 
    747 N.W.2d 410
    , 418
    (Neb. 2008) (stating that layered claim of ineffective assistance requires
    evaluation at each level of counsel); see also Clabourne v. Ryan, 
    745 F.3d 12
     Not  all states guarantee postconviction petitioners a statutory
    right to the effective assistance of counsel, but in states that do, use of the
    Strickland standard is not uncommon. See, e.g., In re Clark, 
    855 P.2d 729
    ,
    748-49 (Cal. 1993); Silva v. People, 
    156 P.3d 1164
    , 1168-69 (Colo. 2007);
    Stovall v. State, 
    800 A.2d 31
    , 38 (Md. Ct. Spec. App. 2002); Johnson v.
    State, 
    681 N.W.2d 769
    , 776-77 (N.D. 2004); Commonwealth v. Priovolos,
    
    715 A.2d 420
    , 422 (Pa. 1998). The Supreme Court has also indicated that
    Strickland applies when a state prisoner seeks federal habeas relief and
    asserts the ineffective assistance of state habeas counsel as cause to
    excuse the procedural default of a trial-counsel claim. Martinez, 566 U.S.
    at , 
    132 S. Ct. at 1318
    .
    SUPREME COURT
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    362, 377 (9th Cir. 2014) (observing that prejudice showing required for
    ineffective assistance of postconviction counsel based on failure to raise
    ineffective-assistance-of-trial-counsel claim "is necessarily connected to
    the strength of the argument that trial counsel's assistance was
    ineffective"), overruled on other grounds by McKinney v. Ryan,           No,
    09-99018, 
    2015 WL 9466506
    , at *1647 (9th Cir. 2015).
    The showing required to satisfy the prejudice prong—a
    reasonable probability that the result of the proceeding would have been
    different—varies depending on the context, including the proceeding in
    which the allegedly deficient performance occurred and the nature of the
    deficient performance. See, e.g., Missouri v. Frye, 566 U.S. „ 
    132 S. Ct. 1399
    , 1409-10 (2012) (prejudice arising from deficient performance
    based on failure to communicate plea offer to defendant); Lat.ler v. Cooper,
    566 U.S. „ 
    132 S. Ct. 1376
    , 1384-85 (2012) (prejudice arising from
    deficient performance in advising defendant to reject favorable plea offer);
    Hill v. Lockhart, 
    474 U.S. 52
    , 59 (1985) (prejudice arising from deficient
    performance that led defendant to accept plea offer rather than proceed to
    trial); Strickland, 
    466 U.S. at 694
     (prejudice arising from deficient
    performance of counsel during trial); Kirksey, 112 Nev. at 998, 
    923 P.2d at 1114
     (prejudice arising from deficient performance on appeal from
    judgment of conviction). In the context of postconviction counsel, we
    conclude that the prejudice prong requires a showing that counsel's
    deficient performance prevented the petitioner from establishing "that the
    conviction was obtained, or that the sentence was imposed, in violation of
    the Constitution of the United States or the Constitution or laws of this
    State," NRS 34.724(1). As one state court has explained, the question is
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    more than whether "the first post-conviction relief proceeding should have
    gone differently":
    [11 he ultimate issue is the fairness of the
    defendant's conviction and sentence. It is not
    enough for the defendant to prove that the first
    post-conviction relief proceeding should have gone
    differently. The defendant must also prove that
    the flaw in the prior post-conviction relief
    proceeding prevented the defendant from
    establishing a demonstrable and prejudicial flaw
    in the original trial court proceedings.
    Grinols v. State, 
    10 P.3d 600
    , 620 (Alaska Ct. App. 2000), affd, 
    74 P.3d 889
     (Alaska 2003); see also Jackson v. Weber, 
    637 N.W.2d 19
    , 23 (S.D.
    2001) ("[I]neffective assistance of counsel at a prior habeas proceeding is
    not alone enough for relief in a later habeas action. Any new effort must
    eventually be directed to error in the original trial . .")." Thus, the
    Supreme Court's observation that "klurmounting Strickland's high bar is
    never an easy task," Padilla v. Kentucky, 
    559 U.S. 356
    , 371 (2010), is
    particularly apt when it comes to postconviction counsel's assistance. If a
    petitioner surmounts that high bar and proves that postconviction counsel
    provided ineffective assistance, then the postconviction-counsel claim is
    "The statutes in South Dakota have been amended since Jackson
    was decided to preclude relief based on the ineffectiveness of
    postconviction counsel. 
    S.D. Codified Laws § 21-27-4
     ("The ineffectiveness
    or incompetence of counsel, whether retained or appointed, during any
    collateral post-conviction proceeding is not grounds for relief under this
    chapter.").
    SUPREME COURT
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    (0) 1947A    452i21,
    sufficient to meet the undue-prejudice component of the good-cause
    showing required to excuse a procedural default under NRS 34.726(1).
    Actual prejudice to excuse procedural default under NRS 34.810
    based on ineffective assistance of postconviction counsel
    Similarly, a postconviction-counsel claim is sufficient to
    establish cause to excuse the procedural default of another claim under
    NRS 34.810(1)(b) or NRS 34.810(2) if the petitioner proves both prongs of
    the ineffective-assistance test. See Lynch v. Ficco, 
    438 F.3d 35
    , 49 (1st Cir.
    2006) ("In theory, Strickland attacks (including its own prejudice prong)
    go to the separate 'cause' as opposed to the 'prejudice' standards for
    overcoming default."); see also Clabourne, 745 F.3d at 377 (explaining that
    to establish "cause" to allow federal habeas review of trial-counsel claim
    that was defaulted in state court based on allegation of ineffective
    assistance of postconviction counsel, petitioner "must establish that his
    counsel in the state postconviction proceeding was ineffective" by
    establishing both prongs of the Strickland test). But to excuse the
    procedural default of another claim under NRS 34.810, the petitioner also
    must demonstrate actual prejudice. NRS 34.810(1)(b), (3).
    If a petitioner who seeks to excuse a procedural default based
    on ineffective assistance of counsel makes the showing of prejudice
    required by Strickland, he also has met the actual prejudice showing
    required to excuse the procedural default. 14 See, e.g., Joseph v. Coyle, 469
    14 0ther courts have suggested that actual prejudice requires a
    greater showing than that required for the prejudice prong of an
    ineffective-assistance claim, see, e.g., United States v. Dale, 
    140 F.3d 1054
    ,
    continued on next page . . .
    SUPREME COURT
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    (0) 1947A    (ce
    F.3d 441, 462-63 (6th Cr. 2006) (explaining that because the Supreme
    Court has held in Strickler v. Greene, 
    527 U.S. 263
     (1999), that the
    materiality prong of a Brady 15 violation parallels the prejudice showing
    required to excuse a procedural default, the prejudice prong of the
    ineffective-assistance test, which is similar to the Brady materiality prong,
    also parallels the prejudice showing required to excuse a procedural
    default); Lynch, 
    438 F.3d at 49-50
     (same); Mincey v. Head, 
    206 F.3d 1106
    ,
    1147 n.86 (11th Cir. 2000) (same); accord State u. Bennett, 
    119 Nev. 589
    ,
    599, 
    81 P.3d 1
    , 8 (2003) (following Strickler and equating Brady
    materiality with the prejudice required to excuse a procedural default
    under NRS 34.810). 16
    With this foundation in mind, we turn to Rippo's claims and
    whether he has met both prongs of the ineffective-assistance test with
    respect to postconviction counsel and therefore has demonstrated cause
    . continued
    1056 n.3 (D.C. Cir. 1998); see Armstrong v. Kemna, 
    590 F.3d 592
    , 606 (8th
    Cir. 2010) (citing inconsistent decisions on the issue by different Eighth
    Circuit panels), but we are not persuaded that there is a useful distinction
    to be made,
    i5Brady v. Maryland, 
    373 U.S. 83
     (1963).
    16 This
    court previously observed in Lozada v. State, 
    110 Nev. 349
    ,
    358, 
    871 P.2d 944
    , 949-50 (1994), that the two prejudice showings are
    "separate and distinct" but also suggested that when "both prejudice
    requirements happen to address the same concern," then the same
    showing will satisfy them. To the extent that these observations in
    Lozada are inconsistent with this decision, we disavow them.
    SUPREME COURT
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    1O) 1947A
    and prejudice to excuse the applicable procedural bars based on the
    ineffective assistance of postconviction counse1. 17 Applying the two-prong
    test set forth above, we conclude that Hippo failed to show that
    postconviction counsel was ineffective, and that he was not entitled to an
    evidentiary hearing on the allegations related to postconviction counsel
    because they either lack merit or were not supported by sufficient factual
    allegations, see Hargrove v. State, 
    100 Nev. 498
    , 502-03, 
    686 P.2d 222
    , 225
    (1984) (stating that postconviction petitioner is entitled to evidentiary
    hearing when he asserts specific factual allegations that, if true, would
    entitle him to relief). We therefore conclude that although Hippo raised
    his postconviction-counsel claims within a reasonable time after they
    became available, he failed to demonstrate undue prejudice to excuse the
    procedural default under NRS 34.726(1) or cause and actual prejudice to
    excuse the procedural defaults under NRS 34.810. 18
    17 Rippo's opening brief focuses primarily on the substantive merits
    of the grounds asserted in the petition, with limited attention paid to the
    threshold cause-and-prejudice inquiry based on the allegedly ineffective
    assistance provided by prior postconviction counsel. While the assertions
    of ineffective assistance of postconviction counsel in Rippo's briefs are not
    as detailed or focused as we would prefer, they also are not the kind of
    "pro forma, perfunctory" assertions of ineffective assistance that we
    discouraged in Evans v. State, 
    117 Nev. 609
    , 647, 
    28 P.3d 498
    , 523 (2001).
    18 Tothe extent that Rippo relies on arguments other than ineffective
    assistance of postconviction counsel to establish cause and prejudice as to
    any particular defaulted ground for habeas relief, those arguments are
    addressed in the discussion of each defaulted claim.
    SUPREME COURT
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    Judicial bias (claim 1)
    In claim 1 of his petition, Rippo alleged that his convictions
    and death sentences are invalid because the trial judge was biased and
    that trial and appellate counsel were ineffective because they failed to
    adequately challenge the trial judge's alleged bias He argues on appeal
    that the district court erred in applying the procedural default under NRS
    34.810(2) and the law-of-the-case doctrine to this claim.
    The judicial-bias claim is based on allegations that the trial
    judge (1) was the subject of a federal investigation at the time of trial,
    (2) knew that the Clark County District Attorney's Office and/or the Las
    Vegas Metropolitan Police Department (Metro) were involved in the
    investigation but failed to disclose that fact, and (3) was acquainted with a
    trial witness (Denny Mason) but failed to disclose that fact because it
    would have incriminated the judge in the federal investigation. This claim
    was raised on direct appeal and rejected by this court. Rippo v. State, 
    113 Nev. 1239
    , 1248-50, 
    946 P.2d 1017
    , 1023-24 (1997). Normally, the law-of-
    the-case doctrine would preclude further litigation of this issue.   See Hall
    v. State, 
    91 Nev. 314
    , 315, 
    535 P.2d 797
    , 798 (1975). Rippo argues,
    however, that the doctrine should not apply because the facts are
    substantially different than they were on direct appeal and because our
    prior decision was based on false representations by the State and the
    trial judge. See Hsu v. Cty. of Clark, 
    123 Nev. 625
    , 630, 
    173 P.3d 724
    , 729
    (2007) (observing that federal courts recognize exception to the doctrine
    when "subsequent proceedings produce substantially new or different
    evidence").
    SUPREME COURT
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    The first and third allegations above were raised in Rippo's
    opening brief on direct appeal. We rejected both. Rippo, 113 Nev. at 1248,
    
    946 P.2d at 1023
     (concluding that "[a] federal investigation of a judge does
    not by itself create an appearance of impropriety sufficient to warrant
    disqualification"); id. at 1249, 
    946 P.2d at 1024
     (observing that "no
    evidence exists, beyond the allegations set forth by the defense, that [the
    trial judge] knew either Denny Mason or his alleged business partner,"
    but that "[e]ven if a relationship existed, Rippo has not shown that the
    judge's alleged acquaintance with Mason's business partner would result
    in bias"). There are no substantially different facts alleged now that
    would warrant an exception from the law-of-the-case doctrine with respect
    to our prior decision regarding these allegations.
    The allegation that the trial judge failed to disclose that he
    knew that the prosecutor's office and/or Metro were involved in the federal
    investigation also was raised in Rippo's opening brief on direct appeal. We
    observed that there was no evidence "that the State was either involved in
    the federal investigation or conducting its own investigation of [the trial
    judge]."   Id. at 1248, 
    946 P.2d at 1023
    . Flippo now asserts that the
    prosecutors and the trial judge lied about the State's involvement in the
    federal investigation, relying on the federal government's trial
    memorandum and a defense motion that were filed in the trial judge's
    federal prosecution and testimony presented in the federal trial, which
    took place after Rippo's trial. The documents and testimony indicate that,
    as part of a sting operation, an unnamed chief or deputy district attorney
    worked with federal authorities to bring a fictitious case before the trial
    judge and that the judge saw a person wearing a Metro jacket when FBI
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    agents executed a search warrant at his home. It is not entirely clear that
    this new information establishes that the State was engaged in its own
    investigation of the trial judge or that there was a joint state/federal
    investigation as opposed to a federal investigation in which some state
    actors provided assistance to the federal authorities. But even if it does,
    the facts remain insufficient to establish judicial bias.
    Rippo's judicial-bias claim is not that the trial judge was
    biased against him specifically but more that the investigation and
    indictment created a "compensatory, camouflaging bias"—that the trial
    judge would be biased against criminal defendants at the time to curry
    favor with the agencies investigating him and prove that he was not soft
    on criminal defendants.      Bracy v. Gramley, 
    520 U.S. 899
    , 905 (1997)
    (describing similar claim of judicial bias). Taking Rippo's allegations as
    true, there remains "[n]o factual basis. . . for Rippo's argument that [the
    trial judge] was under pressure to accommodate the State or treat
    criminal defendants in state proceedings less favorably" or that he was
    biased against Rippo because of the investigation and indictment. Rippo,
    113 Nev. at 1248, 
    946 P.2d at 1023
    . Such speculative allegations simply
    are not sufficient to warrant discovery or an evidentiary hearing on this
    issue as they do not support the assertion that the trial judge was actually
    biased in this case.      Cf. Bracy, 
    520 U.S. at 905-09
     (holding that a
    petitioner had demonstrated good cause for discovery to prove a
    "compensatory, camouflaging bias" on the part of a trial judge who had
    been indicted (and later convicted) of taking bribes from criminal
    defendants to fix cases where petitioner "support[ed] his discovery request
    by pointing not only to [the trial judge's] conviction for bribe taking in
    SUPREME COURT
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    other cases, but also to additional evidence. . . that lend[ed] support to his
    claim that [the trial judge] was actually biased in petitioner's own case,"
    including "specific allegations' that [petitioner's] trial attorney, a former
    associate of [the trial judge's] in a law practice that was familiar and
    comfortable with corruption, may have agreed to take [petitioner's] capital
    case to trial quickly so that petitioner's conviction would deflect any
    suspicion [that] the rigged. . . cases might attract"). Hippo therefore has
    not demonstrated grounds to warrant reconsideration of our prior decision
    in the face of the law-of-the-case doctrine.ls
    19 Rippo'sreliance on United States v. Jaramillo, 
    745 F.2d 1245
     (9th
    Cir. 1984) is unavailing. In that case, a federal district court judge
    declared a mistrial in a criminal case upon learning that he had been
    indicted by a federal grand jury. 
    Id. at 1246
    . Rejecting a double-jeopardy
    claim, the appellate court determined that the trial judge "properly
    concluded that a reasonable person with knowledge of all the facts
    pertaining to the nature of the indictment would question the ability of a
    judge facing prosecution to remain impartial as the presiding jurist in a
    criminal proceeding." 
    Id. at 1248
    . The court noted the "historically
    unique problems [the trial judge] faced as a judge indicted on criminal
    charges which called into question his moral fitness to sit as a judge." 
    Id. at 1249
    . Here, in contrast, the trial judge was not indicted until after
    Hippo's trial. And on direct appeal, we rejected the idea that the
    investigation alone would have warranted his disqualification in all
    criminal trials. Rippo, 113 Nev. at 1248-49, 1249 & n.1, 
    946 P.2d at
    1023
    & n.1 ("We further note that [the trial judge's] disqualification in the
    instant case would lead to his disqualification in all criminal cases he
    heard while subject to the federal investigation. Such a result would be
    insupportable.").
    SUPREME COURT
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    Hippo also has not demonstrated good cause and actual
    prejudice to excuse his failure to re-raise the judicial-bias claim in the first
    habeas petition. He asserts that prior postconviction counsel provided
    ineffective assistance in failing to further investigate the facts
    surrounding the judicial-bias claim and failing to re-raise the claim in the
    first petition or to repackage it as a trial- or appellate-counsel claim. We
    are not convinced that prior postconviction counsel was incompetent for
    failing to repackage the judicial-bias claim as a trial- or appellate-counsel
    claim for two reasons. First, both trial and appellate counsel raised the
    judicial-bias issue, so any ineffective-assistance claim would have been
    belied by the record. Second, after evaluating trial and appellate counsel's
    performance based on "counsel's perspective at the time," Strickland, 
    466 U.S. at 689
    , it is not clear that trial and appellate counsel were deficient in
    failing to present the evidence that is now offered in support of the
    judicial-bias claim. The new information is based on documents filed in
    connection with and testimony at the federal trials in 1997 and 1998, after
    Hippo's trial. That evidence clearly was not available to trial counsel,
    making it difficult to fault trial counsel for failing to discover and present
    it. Even if some of the documents were filed in the federal case while the
    direct appeal was pending, appellate counsel could not have expanded the
    record before this court to include evidence that was not part of the trial
    record, see Carson Ready Mix, Inc. v. First Nat'l Bank of Nev., 
    97 Nev. 474
    ,
    476-77, 
    635 P.2d 276
    , 277-78 (1981), making it difficult to fault appellate
    counsel's performance. Granted, the new information could have been
    discovered in time for prior postconviction counsel to use it as grounds to
    reassert the judicial-bias claim in the first petition, but we are not
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    convinced that prior habeas counsel's failure to further investigate and re-
    assert this claim was objectively unreasonable. The mere omission of a
    claim that has been further developed by new counsel "'does not raise a
    presumption that prior habeas corpus counsel was incompetent.'           In re
    Reno, 
    283 P.3d 1181
    , 1210 (Cal. 2012) (quoting In re Clark, 
    855 P.2d 729
    ,
    749 (Cal. 1993)). Because this court had rejected the generic proposition
    that the trial judge had to be disqualified in all criminal cases while he
    was subject to the federal investigation, Rippo, 113 Nev. at 1248, 1249 &
    n.1, 
    946 P.2d 1023
     & n.1, and the new information still does not establish
    bias in this case, Hippo has not demonstrated that the judicial-bias claim
    is "one that any reasonably competent [habeas] counsel would have"
    reasserted or that the claim would have entitled him to relief, Reno, 283
    P.3d at 1211. Therefore, the postconviction-counsel claim lacks merit and
    is not adequate cause to excuse the procedural default of the judicial-bias
    claim under NRS 34.810(2).
    Prosecutorial misconduct (claims 2 and 9)
    Hippo raised numerous allegations of prosecutorial misconduct
    that appear in claims 2 and 9 in his second habeas petition. Those
    allegations are that the State violated Brady v. Maryland, 
    373 U.S. 83
    (1963) (claim 2); the State failed to correct false testimony by its witnesses
    (claim 2); the State failed to disclose and misrepresented its involvement
    in the federal investigation of the trial judge (claim 2); the prosecutors
    made improper arguments to the jury (claim 2); and the State intimidated
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    a defense witness (claim 9). 20 These claims were primarily raised as trial
    error, but claim 2 also included summary allegations that trial and
    appellate counsel were ineffective to the extent that they did not litigate or
    failed to fully litigate or uncover the misconduct alleged in that claim. The
    district court determined that both claims 2 and 9 were procedurally
    defaulted under NRS 34.810(2) and that claim 2 was also defaulted under
    NRS 34.810(1)(b). The court also observed that several of the misconduct
    allegations were subject to the law-of-the-case doctrine. See Hall v. State,
    
    91 Nev. 314
    , 315, 
    535 P.2d 797
    , 798 (1975).
    Brady allegations
    We first address the arguments in claim 2 that are based on
    Brady violations. "Brady and its progeny require a prosecutor to disclose
    evidence favorable to the defense when that evidence is material either to
    guilt or to punishment." State v. Bennett, 
    119 Nev. 589
    , 599, 
    81 P.3d 1
    , 8
    (2003) (quoting Mazzan v. Warden, 
    116 Nev. 48
    , 66, 
    993 P.2d 25
    , 36
    (2000)). To establish a Brady violation, the defendant must show (1) that
    the State withheld evidence, (2) which is favorable to the accused because
    20Included in his allegations of prosecutorial misconduct, Rippo
    claims that the State violated a discovery order (claim 2) as evidenced by a
    series of nondisclosures concerning the existence of a jailhouse informant,
    a forensic report, exculpatory statements a witness made to the
    prosecutor, and the State's release of "twelve inches of document discovery
    on the day of calendar call." Absent from Rippo's claim, however, is any
    allegation of prejudice even assuming his contentions are true.
    Accordingly, he has not demonstrated that postconviction counsel was
    ineffective in this regard.
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    it is exculpatory or impeaching, and (3) that prejudice resulted because the
    evidence was material, i.e., that there is a reasonable possibility of a
    different result had there been disclosure.   Id. at 599-600, 81 P.3d at 8.
    When a Brady claim is raised in an untimely or successive petition, the
    cause-and-prejudice showing can be met based on the second and third
    prongs required to establish a Brady violation. Id. at 599, 81 P.3d at 8.
    The Brady allegations here involve claims that the State withheld
    evidence that could have been used to impeach several of the State's
    witnesses: Thomas Sims, Thomas Christos, and Michael Beaudoin. 21
    The Brady allegations related to Sims and Christos focus on
    whether the State withheld evidence of cooperation agreements whereby
    these witnesses received favorable treatment in exchange for testifying. A
    promise made by the prosecution to a key witness in exchange for the
    witness's testimony constitutes impeachment evidence that must be
    disclosed under Brady. Giglio v. United States, 
    405 U.S. 150
    , 154-55
    (1972). As the district court observed, Sims and Christos were thoroughly
    21 Thepetition below made summary allegations (claim 2, II 13, 14)
    that the State failed to disclose exculpatory or impeachment evidence
    related to Donald Hill (aka William Burkett) and David Levine, but it
    included no specific allegations regarding the Brady violation related to
    Hill and made a summary allegation that Levine "expected to receive a
    favorable parole recommendation in exchange for his testimony." In his
    appellate briefs, Rippo argues that both witnesses testified falsely. The
    allegation as to Hill appears to involve a post-trial recantation, while the
    allegation as to Levine appears to involve a Giglio claim—that the
    prosecution knowingly used false testimony. See Giglio v. United States,
    
    405 U.S. 150
     (1972). Those arguments are addressed infra.
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    "cross-examined [during trial] regarding continuances, quashed bench
    warrants, and future benefits" with respect to other criminal charges.
    Both witnesses denied being promised, expecting, or receiving any benefits
    in exchange for their testimony. A prosecutor also testified that Sims was
    not promised anything in exchange for his testimony, and the jury was
    aware that Sims' pending felony case had been continued repeatedly over
    the course of several years, the extent to which the delay in that
    proceeding may have benefited him, and the prosecutor's reasons for
    agreeing to the continuances. 22 Hippo's allegations are based on records
    related to the disposition of various criminal cases involving Sims and
    Christos before and after they testified. But those favorable dispositions
    are a matter of public record that was not and could not be withheld by the
    State. They also do not suffice to establish either explicit or tacit
    agreements between the State and these witnesses in exchange for their
    testimony.    See Bell v. Bell,    
    512 F.3d 223
    , 233-34 (6th Cir. 2008)
    (concluding that handling of witness's case does not prove existence of an
    agreement between prosecution and witness); Middleton v. Roper, 
    455 F.3d 838
    , 854 (8th Cir. 2006) (concluding that speculation based on
    sequence of events in which witnesses obtained favorable dispositions of
    criminal charges after testifying against defendant was not sufficient to
    22 Rippo suggests that postconviction counsel was ineffective for
    failing to raise a trial-counsel claim based on trial counsel's failure to have
    the prosecutor's testimony read into the record to impeach Sims. The
    record, however, shows that the prosecutor testified before the jury at
    trial.
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    demonstrate that prosecution withheld evidence of deal offered to
    witnesses in exchange for their testimony); Shabazz v. Artuz, 
    336 F.3d 154
    , 165 (2d Cir. 2003) ("The government is free to reward witnesses for
    their cooperation with favorable treatment in pending criminal cases
    without disclosing to the defendant its intention to do so, provided that it
    does not promise anything to the witnesses prior to their
    testimony.... [The fact that a prosecutor afforded favorable treatment to
    a government witness, standing alone, does not establish the existence of
    an underlying promise of leniency in exchange for testimony."). Rippo
    therefore has not made sufficient factual allegations as to Sims and
    Christos to support a finding that the State violated Brady. Nor are the
    speculative allegations offered 12 years after trial based on public
    information that has long been available sufficient to warrant an
    evidentiary hearing.   See Hargrove v. State, 
    100 Nev. 498
    , 502-03, 
    686 P.2d 222
    , 225 (1984). For these reasons, the Brady claim as to these
    witnesses is not sufficient itself to establish cause and prejudice. 23 The
    deficiencies in Rippo's Brady claim as to these witnesses also undermine
    his effort to rely on the alleged ineffective assistance of postconviction
    23 As a separate but related subclaim, Rippo argues that the State
    violated Brady by allowing Sims and Christos to testify falsely that they
    received no promises of leniency or favorable treatment in exchange for
    their testimony. This argument fails, however, as Rippo has not alleged
    sufficient facts to support the allegation that Sims and Christos testified
    falsely.
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    counsel as cause to excuse his failure to raise the Brady claim in the first
    petition.
    The Brady allegation involving Beaudoin is similar to those
    involving Sims and Christos, but where Hippo failed to allege any
    additional facts sufficient to establish a Brady violation related to those
    witnesses, Hippo has offered additional specific allegations with respect to
    Beaudoin. With his petition, Hippo submitted a declaration dated May 18,
    2008, in which Beaudoin indicates that he was arrested on felony drug
    charges after he began cooperating with the prosecution in this case and
    that he contacted one of the attorneys prosecuting Hippo "at some point
    before [he] was scheduled to testify" and asked for help since he was
    helping the prosecution by testifying against Rippo. 24 According to the
    declaration, as a result of that call, the district attorney's office dropped
    one of the charges and reduced the other from a felony to a gross
    misdemeanor, and Beaudoin avoided going to prison on the charges. The
    declaration indicates that if "anyone had bothered to ask [him] about these
    matters, [he] would have provided them with all of the information that is
    contained in [the] declaration." 25 The latter representation seems
    questionable since Beaudoin was asked about inducements at trial and
    24 TheState does not acknowledge or address the declaration in its
    appellate brief, but we are not convinced that an evidentiary hearing is
    warranted on this claim based solely on that omission.
    25 Beaudoin also states in the declaration that he believes that Hippo
    "is responsible for the crime" but does not "believe that he should receive
    the death penalty because it's not going to bring Denise back."
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    testified that there had been none. It is entirely possible that his trial
    testimony was truthful because the declaration does not indicate that the
    prosecutor made any explicit or tacit promises to Beaudoin before he
    testified. As discussed with respect to the Brady claim involving Sims and
    Christos, absent such a promise by the prosecution, there was no Brady
    violation. Regardless, we also are not convinced that the information in
    the Beaudoin declaration is material as required to establish a Brady
    violation.
    Beaudoin had already testified before the grand jury and his
    trial testimony was consistent with that prior testimony, thus
    undermining the impeachment value of the information in the
    postconviction declaration, and Beaudoin was not such a key witness for
    the prosecution that additional impeachment of him beyond that
    presented at trial (his criminal record) would lead to a reasonable
    possibility of a different outcome at trial.   CI Harris v. Wier, 
    553 F.3d 1028
    , 1033-34 (6th Cir. 2009) (concluding that there was reasonable
    probability of different outcome at trial had prosecution disclosed promises
    of leniency or favorable treatment in exchange for witness's testimony
    where witness provided only eyewitness account of shooting and identified
    defendant as the shooter, providing only evidence that directly linked
    defendant to the shooting). Thus, even accepting the representations in
    the declaration as true and assuming that there was a promise of
    favorable treatment in exchange for Beaudoin's testimony shortly before
    he testified at trial, the failure to disclose that promise does not
    undermine our confidence in the jury's verdict.    See Kyles v. Whitley, 
    514 U.S. 419
    , 434-35 (1995) (explaining that materiality prong of Brady
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    involves whether the violation undermines confidence in the verdict). For
    these reasons, we conclude that this Brady claim lacks merit and cannot
    itself establish cause and prejudice and that Hippo has not demonstrated
    that postconviction counsel was ineffective in failing to raise this Brady
    claim.
    False testimony
    Hippo also alleges prosecutorial misconduct related to three
    jailhouse informants: David Levine, James Ison, and Donald Hill (aka
    William Burkett). These witnesses testified about admissions that Hippo
    made to them while he was incarcerated pending trial in this case. Each
    informant testified that he had known Hippo before the murders and that
    Hippo admitted his involvement in the murders. Based on handwritten
    declarations provided by Levine, Ison, and Hill in connection with the
    second postconviction petition, Rippo asserts that these witnesses gave
    false testimony. We first address the allegations involving Levine and
    Ison and then turn to those involving Hill.
    Hippo alleges that prosecutors or police officers provided
    Levine and Ison with information about the case that they then related at
    trial as information obtained from Rippo, making their testimony appear
    more credible. Hippo asserts that Levine and Ison could have been
    impeached with this information had it been disclosed to the defense.
    Although couched in terms of the State's alleged failure to disclose
    material exculpatory and impeachment information, Hippo's claim speaks
    more to the prosecution knowingly presenting false or misleading
    testimony. See Giglio v. United States, 
    405 U.S. 150
    , 153 (1972); see also
    Napue v. Illinois, 
    360 U.S. 264
    , 269 (1959) (requiring prosecutor to correct
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    testimony if he learns of its falsity after the testimony has been
    presented). Where the prosecution knowingly presents false or misleading
    testimony or fails to correct false testimony after learning of its falsity, a
    new trial is required if "the false testimony used by the State in securing
    the conviction. . . may have had an effect on the outcome of the trial."
    Napue, 
    360 U.S. at 272
    . The claim is procedurally barred under both NRS
    34.726 and NRS 34.810. Hippo appears to press two arguments on appeal
    to excuse the procedural bars.
    First, he relies on the alleged withholding of evidence by the
    State.   Cf. State v. Bennett,   
    119 Nev. 589
    , 599, 
    81 P.3d 1
    , 8 (2003)
    (explaining that withholding of favorable evidence may establish cause for
    raising Brady claim in an untimely and/or successive petition). This
    argument is insufficient because any falsity in Levine's and Ison's
    testimony about Hippo's admissions would have been known to Hippo at
    the time that the witnesses testified.     Cf. West v. Johnson, 
    92 F.3d 1385
    ,
    1398-99 (5th Cir. 1996) (rejecting Brady claim that prosecution withheld
    evidence suggesting that defendant fabricated his confession because
    defendant "knew whether or not he had taken the necklace"); United
    States v. Diaz, 
    922 F.2d 998
    , 1007 (2d Cir. 1990) (concluding that there
    was no improper suppression of evidence under Brady where evidence at
    issue involved defendant's whereabouts, which were within defendant's
    knowledge).
    Second, Rippo relies on the alleged ineffective assistance of
    postconviction counsel to excuse the procedural bars to consideration of
    the claim as to Levine and Ison. The district court apparently rejected
    this argument on the prejudice prong of the ineffective-assistance claim,
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    p7.
    concluding that the declarations offered by Rippo do not undermine
    confidence in the verdict because Levine and Ison have not recanted their
    testimony that Rippo admitted his involvement in the murders. We agree
    with the district court's reading of the declarations provided by Levine and
    Ison.
    Although the information in the declarations could have been
    used to impeach these witnesses had the defense been aware of it, we are
    not convinced that there is a reasonable likelihood that the allegedly false
    portions of Levine's or 'son's testimony could have affected the jury's
    verdict (GigliolNapue standard) or that there is a reasonable possibility of
    a different outcome had the information been disclosed (Brady standard).
    Both witnesses were impeached regarding discrepancies between their
    statements to police and their trial testimony. Their credibility was
    enhanced more by their long-term acquaintance with Rippo than by the
    details that their declarations bring into question. In light of those
    circumstances and the fact that neither witness has recanted his
    testimony that Hippo confessed to his involvement in the murders, we
    agree with the district court's assessment that Hippo cannot demonstrate
    prejudice based on postconviction counsel's failure to raise claims related
    to Levine's and Ison's testimony. 26 Accordingly, the postconviction-counsel
    26 Werecognize that some of the details brought into question by the
    declarations arguably corroborated Hunt's testimony and therefore lent
    credibility to her account of the murders, but we are not convinced that
    any of those corroborating elements in themselves were of such
    continued on next page . . .
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    claim lacks merit and therefore is not cause to excuse the procedural
    default of this claim.
    Rippo's allegations as to Hill are of a different nature in that
    they appear to involve a partial recantation rather than the prosecution
    withholding evidence or knowingly presenting false testimony. Hill's
    postconviction declaration states that, contrary to his testimony at trial,
    Rippo never suggested that he wanted to have Hunt killed and that as far
    as Hill knew at the time, Hunt was not going to testify against Rippo. 27
    The declaration does not suggest that the prosecution knew or had reason
    to know that this part of Hill's testimony was false, and although this
    claim is included in a section of Rippo's appellate brief that is focused on
    prosecutorial misconduct, Rippo does not argue that the prosecution was
    aware that Hill testified falsely or suppressed evidence that could have
    been used to impeach Hill. 28 Nor does the declaration call into question
    • . . continued
    significance that undermining them would also undermine our confidence
    in the jury's verdict.
    27 The declaration also states that Hill's girlfriend was not
    incarcerated at the women's prison in Carson City with Hunt during the
    relevant time period. Hill testified similarly at trial: when asked at trial
    whether his fiancée was still at the women's prison, he responded that she
    was not.
    28 Rippo'sappellate brief suggests that Hill revealed his status as a
    "career criminal informant" for the first time on cross-examination at trial.
    But in the trial testimony cited in the brief, Hill, who had been
    incarcerated for all but nine months between 1982 and 1996, testified that
    he had acted as an informant in two cases, including this one. The
    continued on next page . . .
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    Hill's trial testimony that Rippo admitted that he strangled the victims
    and put their bodies in a closet. Given these deficiencies, we cannot
    conclude that the district court erred in determining that Rippo had not
    demonstrated good cause and prejudice to excuse the procedural default of
    this claim.
    Prosecutorial misconduct in closing argument
    Rippo also asserts that the prosecutors committed misconduct
    during guilt- and penalty-phase argument. We first address the claims
    that had been raised before on direct appeal and then turn to the new
    claims.
    The allegations of prosecutorial misconduct that were raised
    and rejected on direct appeal, Rippo v. State, 
    113 Nev. 1239
    , 1253-55 &
    n.5, 
    946 P.2d 1017
    , 1026-28 & n.5 (1997), are subject to the law-of-the-case
    doctrine, which precludes further litigation of those claims.     See Hall v.
    State, 
    91 Nev. 314
    , 315, 
    535 P.2d 797
    , 798 (1975). Given that further
    litigation of those claims would have been barred by the law-of-the-case
    doctrine, we are not convinced that postconviction counsel's failure to raise
    them again fell outside the wide range of professionally competent
    assistance. Nor are we convinced by Rippo's suggestion that he has good
    cause to raise these claims again because they must be considered
    cumulatively. In particular, the assertion of "cumulative error" as cause
    . . . continued
    citation therefore does not appear to support the characterization of Hill
    as a "career criminal informant."
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    to raise these claims anew ignores our prior determination that there was
    no error with respect to the claims that previously were rejected on appeal
    on their merits. Rippo does not explain how argument by a prosecutor
    that has been found not to be error can now be aggregated to comprise a
    new claim that falls outside the law-of-the-case doctrine.   See In re Reno,
    
    283 P.3d 1181
    , 1223-24 (Cal. 2012) (rejecting "cumulative error"
    explanation for capital petitioner to raise a claim again that was rejected
    on its merits in a prior appeal and explaining that such a claim "cannot
    logically be used to support a cumulative error claim because [the
    appellate court has] already found there was no error to cumulate").
    One prosecutorial-misconduct claim that was raised on appeal
    (the characterization of Rippo as "evil" during penalty-phase argument)
    would not have been subject to the law-of-the-case doctrine because it was
    not preserved, and therefore this court chose not to consider it on the
    merits. 113 Nev. at 1260, 
    946 P.2d at 1030
    . But that claim and the other
    new claims of prosecutorial misconduct are procedurally barred under
    NRS 34.726 and NRS 34.810 because they were untimely and could have
    been raised before. Rippo generally asserts that postconviction counsel
    was ineffective for omitting trial- or appellate-counsel claims based on
    these alleged instances of prosecutorial misconduct. We conclude,
    however, that Hippo has not demonstrated any misconduct (i.e., error) as
    to the challenged comments by the prosecutor; therefore he has not met
    either prong of the omitted trial-counsel claim or the performance prong as
    to the omitted appellate counsel The postconviction-counsel claim
    therefore lacks merit and is not sufficient cause to excuse the procedural
    default of these trial-error and ineffective-assistance claims regarding
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    prosecutorial misconduct in argument at the guilt and penalty phases.
    And in the absence of any error, those claims also could not be cumulated
    with the instances of prosecutorial misconduct that were found to have
    merit on direct appeal (the reference to evidence not presented at trial and
    the comment on Rippo's failure to call a witness) but were detei mined to
    be harmless both individually and cumulatively, see Rippo, 113 Nev. at
    1253-55 & n.5, 
    946 P.2d at
    1026-28 & n.5. On that basis, Rippo also
    cannot rely on "cumulative error" as cause to raise the new claims of
    prosecutorial misconduct. See Reno, 283 P.3d at 1223-24.
    Witness intimidation
    The allegation of improper witness intimidation (claim 9) was
    rejected by this court on direct appeal. Rippo, 113 Nev. at 1251, 
    946 P.2d at 1025
    . Given that further litigation of the issue is precluded by the law-
    of-the-case doctrine, see Hall, 91 Nev. at 315, 
    535 P.2d at 798
    , we are not
    convinced that postconviction counsel's failure to re-raise this issue fell
    outside of the wide range of professionally competent assistance. We also
    reject the idea that the need to consider claims of prosecutorial misconduct
    cumulatively provides cause to raise this claim again where it was rejected
    previously on the merits. See Reno, 283 P.3d at 1223-24.
    Failure to investigate and present mitigating evidence (claim 3)
    Rippo argues that the district court erred in procedurally
    defaulting his claim that trial counsel were ineffective for failing to
    investigate and present mitigating evidence and submit a special verdict
    form listing possible mitigating circumstances. To excuse the procedural
    default, Rippo asserts that postconviction counsel was ineffective for
    failing to raise the trial-counsel claim. We conclude that this claim is not
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    sufficient to excuse the procedural default because Hippo fails to meet
    either prong of the Strickland test to support a viable trial-counsel claim
    and therefore cannot demonstrate that postconviction counsel was
    ineffective in failing to raise it.
    Hippo claims that postconviction counsel should have asserted
    an ineffective-assistance claim based on trial counsel's failure to present
    evidence that he suffered from a neuropsychological impairment. As
    support, he relies on a neuropsychological evaluation conducted 12 years
    after trial, which concluded that he had "mild neurocognitive dysfunction"
    and Attention Deficit Hyperactivity Disorder and Obsessive-Compulsive
    Disorder. But thefl reasonableness of counsel's performance is evaluated
    "from counsel's perspective at the time," without "the distorting effects of
    hindsight." Strickland v. Washington, 
    466 U.S. 668
    , 689 (1984). At the
    time of trial in this case, counsel had access to multiple psychological
    evaluations of Hippo from years before trial and just before trial, none of
    which revealed any psychoses, neuropsychological impairments, or major
    affective disorders. Considering the evaluations available to trial counsel,
    we cannot fault postconviction counsel for not asserting that trial counsel's
    failure to seek additional evaluations fell outside "the wide range of
    reasonable professional assistance." 
    Id.
    Hippo further claims that postconviction counsel should have
    asserted an ineffective-assistance claim based on trial counsel's failure to
    present testimony from a violence risk assessment expert and an
    institutionalization expert to establish that he would function well in a
    structured prison setting. Trial counsel did present some lay testimony to
    this effect from a prison vocational instructor who had interacted with
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    441,1
    Rippo. We are not convinced that trial counsel's failure to present an
    expert to provide similar testimony was unreasonable. Nor does the
    failure to present such testimony undermine our confidence in the
    outcome of the penalty hearing, see 
    id. at 694
     ("A reasonable probability is
    a probability sufficient to undermine confidence in the outcome."),
    particularly since any expert opinion would have been challenged on cross-
    examination with evidence that Rippo was found with weapons in his cell
    and had exposed himself to and threatened to kill a prison guard, the
    same as the witness who did testify at the penalty hearing. For these
    reasons, the ineffective-assistance-of-trial-counsel claim lacks merit, and
    we cannot fault postconviction counsel for failing to assert it. 29
    Rippo also claims that postconviction counsel should have
    asserted an ineffective-assistance claim based on trial counsel's failure to
    29 Rippo  also claims that postconviction counsel should have
    challenged trial counsel's failure to prepare a social history and provide it
    to a mental health expert for evaluation. As support, he provided a
    lengthy social history and an evaluation from psychologist Dr. Jonathan
    Mack, who opined that Rippo experienced "significant psychosocial trauma
    in the home of his mother and step-father, and possibly earlier in the
    home of his biological father and mother," which "caused a free floating
    anxiety" leading to obsessive-compulsive and drug-addictive tendencies,
    and that Rippo had a suppressed variant of post-traumatic stress disorder
    that was difficult to diagnosis perhaps due to "conscious and unconscious
    repression of family-of-origin trauma." This new mitigation evidence lacks
    sufficient persuasiveness to have altered the outcome of the penalty
    hearing had it been presented to the jury. We therefore are not convinced
    that postconviction counsel was ineffective in omitting this trial-counsel
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    present evidence that Hippo was sexually and physically abused by his
    stepfather James Anzini At the penalty phase, trial counsel presented
    one witness who testified about Hippo's childhood and upbringing, his
    sister Stacie. She described Hippo as the "family clown" and a "great
    brother" who was protective of and encouraging to his sisters. She also
    testified about their childhood, explaining that life with Anzini was
    difficult. He was a compulsive gambler and often took Hippo's allowance
    and paychecks to support his gambling habit. He frequently pushed Hippo
    around and told him that he would never amount to anything, and he
    degraded women in front of Hippo. So trial counsel did present some
    evidence at the penalty phase on the topic of Hippo's childhood and
    upbringing. Hippo argues, however, that the presentation fell short due to
    trial counsel's failure to adequately investigate and interview his family
    members and that reasonably competent counsel would have uncovered
    evidence of sexual and physical abuse.
    To support his claim, Hippo filed several declarations by
    various family members, including his sister Stacie; his father; his former
    stepmother; and Anzini's ex-wife, sister, brother-in-law, former sister-in-
    law, and sons (Hippo's stepbrothers). In her declaration, Stacie recalls
    that Anzini was abusive in that he was demeaning toward women; played
    games that frightened her, her sister, and Hippo; and was extremely
    aggressive when he played board games with the children, calling Hippo a
    "sissy" when he lost to his sisters. She states that Anzini enjoyed scaring
    and taunting the children and that their mother and Anzini had violent
    arguments. She describes Anzini as physically abusive to the children but
    that she was unaware of "what, if anything [Anzini] did to [Hippo] that
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    tvn
    may have had any sexual overtones." In the other declarations, Anzini is
    described as physically and verbally abusive. Most of the declarants never
    saw instances of physical abuse involving Hippo, but they suspected that
    Anzini had physically abused Hippo based on his general character for
    such abuse or because they saw bruises on Hippo or his sisters that they
    felt were not sufficiently explained. Many of the declarants also suggested
    that Hippo had been a happy, good boy and that being raised by Anzini
    must have changed him. None of the declarations suggest that Anzini
    sexually abused Hippo.
    We first address the performance prong on the omitted trial-
    counsel claim as it informs whether postconviction counsel's omission of
    that claim was ineffective. When it comes to preparing for the penalty
    phase of a capital case, trial counsel generally has a duty to conduct "a
    thorough investigation of the defendant's background."           Williams v.
    Taylor, 
    529 U.S. 362
    , 396 (2000). But Strickland does not require the
    same investigation in every case. Cullen v. Pinholster, 
    563 U.S. 170
    , 195
    (2011). "[A] particular decision not to investigate must be directly
    assessed for reasonableness in all the circumstances, applying a heavy
    measure of deference to counsel's judgments." Strickland, 
    466 U.S. at 691
    .
    The test "calls for an inquiry into the objective reasonableness of counsel's
    performance, not counsel's subjective state of mind."         Harrington V.
    Richter, 
    562 U.S. 86
    , 110 (2011).
    Here, Stacie's declaration indicates that trial counsel met with
    her and other unidentified members of Hippo's family before the penalty
    hearing to find out if any of them were willing to testify during the penalty
    hearing and Stacie agreed to do so. She suggests that her testimony
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    would have been more detailed about the abuse perpetrated by Anzini if
    trial counsel had better prepared her. But at the penalty hearing, trial
    counsel asked Stacie broad questions about how Anzini was around the
    house and how he was toward Hippo, and in response she never suggested
    significant physical abuse even though it is clear that she knew Rippo's
    upbringing was important when she observed at the end of her testimony
    that "a lot of your upbringing directs your life." Even assuming that trial
    counsel spent a limited amount of time with Stacie before she testified, we
    are not convinced that counsel's acts or omissions in this respect were
    outside the wide range of professionally competent assistance.
    We are not as confident addressing the performance prong
    with respect to the more general allegation that trial counsel failed to
    interview and present the testimony of other family members. Stacie's
    declaration does not identify the other family members who were present
    for the meeting with counsel before the penalty hearing, but the family
    members who provided declarations for the postconviction petition
    indicate that they were never contacted by trial counsel. Absent an
    evidentiary hearing, it is difficult to determine whether trial counsel
    considered contacting other family members or had any reason to believe
    such an investigation would be fruitful. In this respect, Stacie's testimony
    at the penalty phase and the letter that counsel read into the record from
    Rippo's mother suggest that no one led trial counsel to believe there was
    more significant physical abuse or any sexual abuse and therefore
    counsel's investigation and presentation may have been within the wide
    range of professionally competent assistance in this respect. In the same
    vein, Rippo has not specifically alleged that he informed trial counsel
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    about the abuse or identified any family members who could testify to the
    abuse. See Strickland, 
    466 U.S. at 691
     ("The reasonableness of counsel's
    actions may be determined or substantially influenced by the defendant's
    own statements or actions. Counsel's actions are usually based, quite
    properly, on informed strategic choices made by the defendant and on
    information supplied by the defendant"); see also Waldrop v. Thigpen, 
    857 F. Supp. 872
    , 915 (N.D. Ala. 1994) ("The attorney's duty under the Sixth
    Amendment is to conduct a reasonable investigation, not such an
    exhaustive investigation that all conceivable mitigating evidence is
    necessarily uncovered."). Although we believe that Rippo has not
    overcome the presumption that trial counsel's performance was within the
    wide range of professionally competent assistance, we also address the
    prejudice prong below.
    Considering all of the information in the declarations, we are
    not convinced that "there is a reasonable probability that at least one juror
    would have struck a different balance" between life and death.      Wiggins v.
    Smith, 
    539 U.S. 510
    , 537 (2003). In addition to Stacie's testimony and the
    letter from Rippo's mother, the defense presented testimony about Rippo's
    good behavior in prison and for a period of time while he was on parole
    and living with his mother and stepfather, Robert Duncan. The testimony
    at the penalty hearing and the postconviction declarations describe Rippo
    as a likeable and kind person who was skilled and intelligent. Hippo also
    made a statement in allocution and expressed remorse for the victims'
    deaths. Although some of the declarations include descriptions of
    instances where Anzini emotionally and verbally abused Hippo, aside from
    Stacie's declaration, the postconviction declarations detail little in the way
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    of specific instances of physical abuse involving Rippo; many of the
    declarants indicate that they suspected such abuse but had not witnessed
    it or were told by someone else that Anzini was abusive toward everyone
    in the house. Against this mitigating evidence, the State proved three
    valid aggravating circumstances: (1) that Rippo had a prior violent felony
    conviction for sexual assault, (2) that he was under a sentence of
    imprisonment at the time of the murders, and (3) that the murders
    involved torture. See Rippo v. State, 
    122 Nev. 1086
    , 1093, 1098, 
    146 P.3d 279
    , 284, 287 (2006) (holding that three aggravating circumstances were
    invalid under McConnell v. State, 
    120 Nev. 1043
    , 
    102 P.3d 606
     (2004), but
    that the jury's consideration of those aggravating circumstances was
    harmless beyond a reasonable doubt). We have characterized the
    mitigating evidence presented at trial in this case as "not particularly
    compelling," Rippo, 122 Nev. at 1094, 146 P.3d at 284, and the additional
    mitigating evidence does not add anything compelling enough for us to
    conclude that there is a reasonable probability that at least one juror
    would have struck a different balance—either in weighing the aggravating
    and mitigating circumstances or choosing between life and death.        See
    Cullen,   
    563 U.S. at 189
     (explaining that Strickland's          reasonable
    probability standard "requires a 'substantial,' not just 'conceivable,'
    likelihood of a different result" (quoting Harrington, 
    562 U.S. at 112
    )). On
    the latter point of the ultimate choice between life and death, it is
    significant that Rippo took two lives. Having determined that the omitted
    trial-counsel claim lacks merit, Hippo has not demonstrated cause to
    excuse the procedural default of that claim based on ineffective assistance
    of postconviction counsel.
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    Finally, Rippo claims that trial counsel should have argued
    specific mitigating circumstances and requested a special verdict form
    listing specific mitigating circumstances. Postconviction counsel raised
    this trial-counsel claim in the first petition. At the evidentiary hearing on
    that petition, trial counsel testified that they chose not to create a list of
    specific mitigating circumstances—other than the statutory mitigating
    circumstances—because they wanted the jury "to think of absolutely
    anything as a mitigating factor." We cannot fault postconviction counsel
    for not pursuing this claim further on appeal given that the testimony
    establishes that it was a strategic decision and there is no reasonable
    probability that this court would have granted some form of relief based on
    this claim. See Howard v. State, 
    106 Nev. 713
    , 722, 
    800 P.2d 175
    , 180
    (1990) ("Tactical decision are virtually unchallengeable absent
    extraordinary circumstances."), abrogated on other grounds by Harte v.
    State, 
    116 Nev. 1054
    , 1072 n.6, 
    13 P.3d 420
    , 432 n.6 (2000).
    Disclosure of records (claim 8)
    Rippo argues that the district court erred in dismissing his
    claim related to the trial court's decision to quash a subpoena for records
    that were in the possession of the Department of Parole and Probation.
    He argues that the trial court infringed on his constitutional right to
    present a defense and confront the witnesses against him, that trial
    counsel failed to "adequately litigate the disclosure of the records," and
    that appellate counsel should have raised the issueS on direct appeal. To
    excuse the procedural default of these claims under NRS 34.726(1) and
    NRS 34.810, Rippo asserts that prior postconviction counsel was
    ineffective for failing to raise them. We conclude that the postconviction-
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    counsel claim lacks merit and therefore the trial-error and ineffective-
    assistance claims are defaulted.
    The postconviction-counsel claim lacks merit as to the
    allegation of trial error because the alleged error was invited. When the
    trial court held a hearing on the State's motion to quash the subpoena,
    trial counsel represented that he and the prosecution had "worked
    something out informally" and he did not have an objection to the court
    granting the motion to quash. Under the circumstances, Rippo cannot
    complain that the trial court erred when his counsel participated in and
    invited the alleged error in granting the motion to quash.      See Carter v.
    State, 
    121 Nev. 759
    , 769, 
    121 P.3d 592
    , 599 (2005) ("A party who
    participates in an alleged error is estopped from raising any objection on
    appeal."). There similarly is no basis for concluding that postconviction
    counsel was deficient for not presenting a trial-error claim that was both
    procedurally defaulted (under NRS 34.810(1)(b) because it could have been
    raised on appeal) and without merit. Accordingly, the postconviction-
    counsel claim is not sufficient to excuse the procedural default of the trial-
    error claim.
    The postconviction-counsel claim also lacks merit as cause and
    prejudice with respect to the defaulted allegations of ineffective assistance
    of trial and appellate counsel. The appellate-counsel claim fails on the
    prejudice prong of Strickland because there is no reasonable probability
    that this omitted issue would have had success on appeal, see Kirksey v.
    State, 
    112 Nev. 980
    , 998, 
    923 P.2d 1102
    , 1113-14 (1996) (explaining
    Strickland prejudice in context of appellate-counsel claim), given trial
    counsel's representation that the issue had been resolved informally and
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    that there was no objection to granting the motion to quash, see Carter,
    121 Nev. at 769, 
    121 P.3d at 599
     ("A party who participates in an alleged
    error is estopped from raising any objection on appeal."). The trial-counsel
    claim fails on both prongs. As to the deficiency prong, the record indicates
    that trial counsel had come to a resolution on the issue with the
    prosecution and Hippo has not made any factual allegations to the
    contrary. As to the prejudice prong, Hippo has not substantiated his claim
    that the records would have given rise to expert testimony; even now, over
    a decade after trial, Rippo has not identified an expert willing to offer
    testimony about his future dangerousness and amenability to a structured
    living environment based on the records. He therefore has not established
    a reasonable probability of a different outcome at trial had counsel
    challenged the motion to quash the subpoena. Because the appellate- and
    trial-counsel claims fail, so does the postconviction-counsel claim as cause
    and prejudice to excuse the procedural default of the appellate- and trial-
    counsel claims.
    Rippo also argues that the district court erred in dismissing
    his claim that the trial court erred by preventing him from cross-
    examining Diana Hunt with the results of a pretrial psychiatric
    evaluation. To excuse the procedural default of this alleged trial error
    under NRS 34.726(1) and NRS 34.810, Hippo asserts that prior
    postconviction counsel was ineffective based on his failure to assert trial-
    and appellate-counsel claims related to this alleged trial error. We
    conclude that the postconviction-counsel claim lacks merit.
    First, because Hippo has not identified a discovery motion or
    other request for the evaluation that was denied by the trial court, he has
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    not demonstrated a viable issue that reasonably competent appellate
    counsel could have raised Second, because Rippo fails to allege that trial
    counsel knew about the evaluation or explain what additional
    investigation trial counsel should have conducted that would have
    uncovered the evaluation, assuming that counsel was not aware of it, he
    has not demonstrated that trial counsel's conduct did not fall within the
    range of reasonable professional assistance. It further appears that there
    was no viable prejudice argument to support a trial-counsel claim as trial
    counsel thoroughly cross-examined Hunt and challenged her credibility,
    and Hunt admitted her criminal history, involvement in the charged
    crimes, and agreement to testify against Rippo to avoid murder charges.
    Given the lack of any substantial basis on which to challenge trial or
    appellate counsel's performance, the postconviction-counsel claim lacks
    merit and cannot be sufficient cause to excuse the procedural default of
    the trial-error claim."
    30 Rippo  also challenges the district court's denial of the following
    claims related to (1) inadequate voir dire of potential jurors (claim 4),
    (2) admission of prior bad act evidence (claim 5), (3) guilt phase jury
    instructions (claims 6, 7, 11, and 19), (4) admission of victim-impact
    evidence (claim 12), (5) penalty phase jury instructions (claims 16 and 17),
    and (6) admission of gruesome photographs (claim 18). We conclude that
    Rippo failed to overcome the applicable procedural bars and/or the law-of-
    the-case doctrine and therefore the district court properly denied these
    claims. We further reject Rippo's claim that cumulative error requires
    reversal of the judgment of conviction. Any deficiencies in postconviction
    counsel's representation, considered individually or cumulatively, see
    McConnell, 125 Nev. at 259 n.17, 212 P.3d at 318 n.17, did not prejudice
    him Finally, we reject Rippo's claim that the lethal injection protocol is
    continued on next page. . .
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    OD) 1941A walir.
    Actual innocence
    Where, as here, a petitioner cannot demonstrate cause and
    prejudice, the district court may nevertheless excuse a procedural bar if
    the petitioner demonstrates that failing to consider the merits of any
    constitutional claims would result in a fundamental miscarriage of justice.
    Pellegrini v. State, 
    117 Nev. 860
    , 887, 
    34 P.3d 519
    , 537 (2001). Typically, a
    fundamental miscarriage of justice in this context requires "a colorable
    showing" of actual innocence.    
    Id.
       And we have allowed such gateway
    claims of actual innocence with respect to a capital petitioner's death
    eligibility. 
    Id.
     Rippo contends that he is ineligible for the death penalty
    because the three aggravating circumstances supporting his death
    sentence are invalid. 31
    Rippo argues that insufficient evidence supports the torture
    aggravating circumstance, a claim we rejected on direct appeal.    See Rippo
    v. State, 
    113 Nev. 1239
    , 1263-64, 
    946 P.2d 1017
    , 1032-33 (1997). He
    acknowledges our prior review but argues that we never determined
    whether the evidence showed that he "inflict[ed] pain beyond the killing
    . continued
    unconstitutional, as this claim is not cognizable in a postconviction
    petition for a writ of habeas corpus. See id. at 248-49, 212 P.3d at 311.
    31 Rippochallenged two of the aggravating circumstances in claims
    13 and 14 in his petition. Those claims were subject to the same
    procedural bars discussed in this opinion. The claims are addressed here
    only to the extent that they are the basis for Rippo's assertion of actual
    innocence as a gateway to consideration of his procedurally defaulted
    claims.
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    itself." Hernandez v. State, 
    124 Nev. 978
    , 984, 
    194 P.3d 1235
    , 1239 (2008),
    overruled on other grounds by Armenta-Carpio v. State, 129 Nev., Adv. Op.
    54, 
    306 P.3d 395
    , 396 (2013). His claim is patently without merit based on
    this court's observation regarding the evidence of torture inflicted on the
    victims, which comports with the requirement identified by Rippo. Rippo,
    113 Nev. at 1264, 
    946 P.2d at 1033
     ("There seems to be little doubt that
    when Rippo was shocking these victims with a stun gun, he was doing so
    for the purpose of causing them pain and terror and for no other purpose.
    Rippo was not shocking these women with a stun gun for the purpose of
    killing them but, rather, it would appear, with a purely 'sadistic
    purpose.'").
    Rippo complains that the other two aggravating circumstances
    are invalid for two reasons. First, he argues that the prior conviction
    related to both aggravating circumstances was the product of an invalid
    guilty plea. Based on our review of the record, we disagree that his guilty
    plea was involuntarily or unknowingly entered. Second, relying on Roper
    v. Simmons, 
    543 U.S. 551
     (2005), Rippo argues that the prior conviction
    could not be used as an aggravating circumstance for death-penalty
    eligibility because he was only 16 years old at the time of the prior offense.
    We reject this argument because Roper only addresses whether a
    defendant can be sentenced to death for a capital offense committed before
    age 18; it does not address whether a conviction for an offense that was
    committed before the defendant was 18 can be used to make the defendant
    death-eligible on another offense committed after the defendant turned 18.
    Here, the murders were committed a week before Rippo's 27th birthday.
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    The a ggravating circumstances are valid, and Rippo has not demonstrated
    that he is ineligible for the death penalty.32
    Having determined that Rippo is not entitled to relief, we
    affirm the order of the district court.
    CaC
    ■                TCt
    Parraguir:CS 1
    k-Lt ceatn            J.
    Hardesty
    J.
    Saitta
    Gibbo
    J.
    Pickering
    32Rippo ar gues that postconviction counsel was ineffective for not
    challenging the a ggravating circumstances as invalid. We conclude that
    his claim lacks merit and therefore the district court did not err by
    denying this claim.
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    CHERRY, J., concurring in part and dissenting in part:
    I concur in the majority's decision that when postconviction
    counsel is appointed pursuant to NRS 34.820, a challenge to that counsel's
    representation becomes available upon the conclusion of the first
    postconviction proceeding. I further agree with the majority's adoption of
    the two-prong test in Strickland v. Washington, 
    466 U.S. 668
     (1984), to
    evaluate claims of ineffective assistance of postconviction counsel.
    However, I disagree with the majority's decision that a petition raising a
    claim of ineffective assistance of first postconviction counsel is filed within
    a reasonable time if it is filed within one year after entry of the district
    court's order disposing of the prior petition or, if a timely appeal is taken
    from the district court's order, within one year after our issuance of
    remittitur. I would hold that the reasonableness of any delay should be
    assessed on a case-by-case basis considering the totality of the
    circumstances, which may justify a delay of more than one year. I further
    dissent from the majority's conclusion that Rippo failed to show that he is
    entitled to an evidentiary hearing on his claims that postconviction
    counsel was ineffective for not raising a claim of prosecutorial misconduct
    and an ineffective-assistance claim based on trial counsel's failure to
    present additional mitigation evidence. Therefore, I would reverse and
    remand this matter to the district court for an evidentiary hearing on
    these claims.
    Rippo complains that postconviction counsel was ineffective in
    failing to investigate and present evidence that the State knowingly
    presented perjured testimony at trial. Two of the State's witnesses, David
    Levine and James Ison, have provided declarations stating that the police
    provided details about the murders that Rippo had not disclosed to them.
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    The majority acknowledges that the statements in the declarations could
    have been used to impeach Levine and Ison but concludes that this was
    not enough to make a difference. In my view, an evidentiary hearing is
    necessary before that determination can be made. While Levine and Ison
    did not recant their testimony that Hippo admitted his involvement in the
    murders, their statements certainly impeached aspects of their testimony
    and, perhaps more importantly, raise serious concerns about prosecutorial
    misconduct. See People v. Savvides, 
    136 N.E.2d 853
    , 854 (N.Y. 1956) ("It is
    of no consequence that the falsehood bore upon the witnessIs] credibility
    rather than directly upon defendant's guilt. A lie is a lie, no matter what
    its subject, and, if it is in any way relevant to the case, the district
    attorney has the responsibility and duty to correct what he knows to be
    false and elicit the truth."). The implications of the matters raised in the
    declarations deserve closer examination that an evidentiary hearing will
    provide.
    Rippo also contends that postconviction counsel was
    ineffective for not challenging trial counsel's failure to present mitigating
    evidence of the abuse he suffered at the hands of his stepfather, James
    Anzini, and his neuropsychological impairment. The new evidence paints
    a picture of emotional and physical abuse to which the jury was not privy.
    Anzini played games with Rippo and his siblings for the sole purpose of
    belittling and harassing them Anzini scared the children by pretending
    that he was going to drive the car they were riding in over a cliff. He hit
    Rippo and his siblings with books and bamboo sticks. Anzini treated
    Rippo worse than any of his children or stepchildren. On one occasion,
    after Rippo suffered a beating from a neighbor boy, Anzini ordered him to
    "go back and finish the job." Rippo returned to fight the boy and was
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    badly hurt. In another incident, Anzini flew into a rage when Rippo
    accidently broke an inexpensive household item. Anzini punished Rippo
    for minor infractions by confining him to his room for hours without access
    to a bathroom and then beating him when he wet his pants. While the
    family was living in Moab, Utah, Anzini punished Rippo by making him
    stand outside when the temperature was over 100 degrees. Rippo's
    mother, Carole Anzini, also contributed to his troubled childhood. She
    was neglectful in her care of him, and when he was seven years old, she
    took Rippo and his siblings from their home in New York without
    permission from the children's father, Domiano Campanelli. Campanelli
    knew nothing about his children's whereabouts until ten years later. The
    new mitigation evidence strongly suggests that Campanelli was a kind
    and caring father who loved his children very much. Because of Carole's
    actions, Rippo was robbed of a loving relationship with his father for a
    decade.
    In addition, Rippo provided an evaluation from psychologist
    Jonathan Mack. Dr. Mack concluded that Rippo suffers from Attention
    Deficit Hyperactivity Disorder, which, along with his unstable upbringing,
    contributed to his early drug use. Further, Rippo sustained significant
    psychosocial trauma during his childhood, which caused "a chronic free
    floating anxiety which led to the development of his obsessive-compulsive
    and drug addictive tendencies" as a means of controlling his anxiety. Dr.
    Mack observed that Rippo's overall neurological and psychological
    assessment reveals that he has significant problems with attention,
    impulse control, and short-term memory that could have been identified
    by competent neurological testing prior to trial.
    The mitigation evidence presented at trial did little in the way
    of providing the jury any insight into Rippo's character, background, and
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    conduct. Had the new mitigation evidence been presented, it could have
    provided that insight and swayed the jury to choose imprisonment rather
    than death. See Penry v. Lynaugh, 
    492 U.S. 302
    , 328 (1989) ("Rather than
    creating the risk of an unguided emotional response, full consideration of
    evidence that mitigates against the death penalty is essential if the jury is
    to give a reasoned moral response to the defendant's background,
    character, and crime." (citations and internal quotation marks omitted)),
    abrogated on other grounds by Atkins v. Virginia, 
    536 U.S. 304
     (2002);
    Douglas v. Woodford, 
    316 F.3d 1079
    , 1090 (9th Cir. 2003) ("Evidence
    regarding social background and mental health is significant, as there is a
    'belief, long held by this society, that defendants who commit criminal acts
    that are attributable to a disadvantaged background or to emotional and
    mental problems, may be less culpable than defendants who have no such
    excuse." (quoting Boyde v. California, 
    494 U.S. 370
    , 382 (1990))); Jesse
    Chang, Frontloading Mitigation: The "Legal" and the "Human" in Death
    Penalty Cases, 
    35 Law & Soc. Inquiry 39
    , 46 (2010) ("The purpose of
    mitigating evidence is to provide the jury with a basis for sentencing the
    individual defendant to life imprisonment rather than to death .. . . The
    challenge facing defense counsel is to present mitigating evidence that
    explains the defendant's commission of the crime. This requires providing
    the jury with an empathy provoking way of understanding the defendant
    and his conduct."). While the majority casually dismisses this new
    mitigation evidence, concluding that it would not have made a difference,
    Rippo has produced sufficient support entitling him to an evidentiary
    hearing to prove his allegations that postconviction counsel provided
    ineffective assistance by failing to investigate and challenge trial counsel's
    performance in the presentation of mitigating circumstances. Should he
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    (0) 1947A (44
    be successful, he may secure a new penalty hearing. Justice demands that
    he receive that opportunity.
    J.
    Cherry
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