Bucklew v. Precythe , 203 L. Ed. 2d 521 ( 2019 )


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  • (Slip Opinion)              OCTOBER TERM, 2018                                       1
    Syllabus
    NOTE: Where it is feasible, a syllabus (headnote) will be released, as is
    being done in connection with this case, at the time the opinion is issued.
    The syllabus constitutes no part of the opinion of the Court but has been
    prepared by the Reporter of Decisions for the convenience of the reader.
    See United States v. Detroit Timber & Lumber Co., 
    200 U.S. 321
    , 337.
    SUPREME COURT OF THE UNITED STATES
    Syllabus
    BUCKLEW v. PRECYTHE, DIRECTOR, MISSOURI
    DEPARTMENT OF CORRECTIONS, ET AL.
    CERTIORARI TO THE UNITED STATES COURT OF APPEALS FOR
    THE EIGHTH CIRCUIT
    No. 17–8151. Argued November 6, 2018—Decided April 1, 2019
    In Baze v. Rees, 
    553 U.S. 35
    , a plurality of this Court concluded that a
    State’s refusal to alter its execution protocol could violate the Eighth
    Amendment only if an inmate first identified a “feasible, readily im-
    plemented” alternative procedure that would “significantly reduce a
    substantial risk of severe pain.” Id., at 52. A majority of the Court
    subsequently held Baze’s plurality opinion to be controlling. See
    Glossip v. Gross, 
    576 U.S.
    ___.
    Petitioner Russell Bucklew was convicted of murder and sentenced
    to death. The State of Missouri plans to execute him by lethal injec-
    tion using a single drug, pentobarbital. Mr. Bucklew presented an
    as-applied Eighth Amendment challenge to the State’s lethal injec-
    tion protocol, alleging that, regardless whether it would cause excru-
    ciating pain for all prisoners, it would cause him severe pain because
    of his particular medical condition.
    The District Court dismissed his challenge. The Eighth Circuit,
    applying the Baze-Glossip test, remanded the case to allow Mr. Buck-
    lew to identify a feasible, readily implemented alternative procedure
    that would significantly reduce his alleged risk of pain. Eventually,
    Mr. Bucklew identified nitrogen hypoxia, but the District Court found
    the proposal lacking and granted the State’s motion for summary
    judgment. The Eighth Circuit affirmed.
    Held:
    1. Baze and Glossip govern all Eighth Amendment challenges,
    whether facial or as-applied, alleging that a method of execution in-
    flicts unconstitutionally cruel pain. Pp. 8–20.
    (a) The Eighth Amendment forbids “cruel and unusual” methods
    of capital punishment but does not guarantee a prisoner a painless
    2                        BUCKLEW v. PRECYTHE
    Syllabus
    death. See Glossip, 576 U. S., at ___. As originally understood, the
    Eighth Amendment tolerated methods of execution, like hanging,
    that involved a significant risk of pain, while forbidding as cruel only
    those methods that intensified the death sentence by “superadding”
    terror, pain, or disgrace. To establish that a State’s chosen method
    cruelly “superadds” pain to the death sentence, a prisoner must show
    a feasible and readily implemented alternative method that would
    significantly reduce a substantial risk of severe pain and that the
    State has refused to adopt without a legitimate penological reason.
    Baze, 553 U. S., at 52; Glossip, 576 U. S., at ___. And Glossip left no
    doubt that this standard governs “all Eighth Amendment method-of-
    execution claims.” Id., at ___. Baze and Glossip recognized that the
    Constitution affords a “measure of deference to a State’s choice of ex-
    ecution procedures” and does not authorize courts to serve as “boards
    of inquiry charged with determining ‘best practices’ for executions.”
    Baze, 553 U. S., at 51–52. Nor do they suggest that traditionally ac-
    cepted methods of execution are necessarily rendered unconstitution-
    al as soon as an arguably more humane method becomes available.
    Pp. 8–14.
    (b) Precedent forecloses Mr. Bucklew’s argument that methods
    posing a “substantial and particular risk of grave suffering” when
    applied to a particular inmate due to his “unique medical condition”
    should be considered “categorically” cruel. Because distinguishing
    between constitutionally permissible and impermissible degrees of
    pain is a necessarily comparative exercise, the Court held in Glossip,
    identifying an available alternative is “a requirement of all Eighth
    Amendment method-of-execution claims” alleging cruel pain. 576
    U. S., at ___. Mr. Bucklew’s argument is also inconsistent with the
    original and historical understanding of the Eighth Amendment on
    which Baze and Glossip rest: When it comes to determining whether
    a punishment is unconstitutionally cruel because of the pain in-
    volved, the law has always asked whether the punishment superadds
    pain well beyond what’s needed to effectuate a death sentence. And
    answering that question has always involved a comparison with
    available alternatives, not an abstract exercise in “categorical” classi-
    fication. The substantive meaning of the Eighth Amendment does
    not change depending on how broad a remedy the plaintiff chooses to
    seek. Mr. Bucklew’s solution also invites pleading games, and there
    is little likelihood that an inmate facing a serious risk of pain will be
    unable to identify an available alternative. Pp. 14–20.
    2. Mr. Bucklew has failed to satisfy the Baze-Glossip test. Pp. 20–
    28.
    (a) He fails for two independent reasons to present a triable
    question on the viability of nitrogen hypoxia as an alternative to the
    Cite as: 587 U. S. ____ (2019)                     3
    Syllabus
    State’s lethal injection protocol. First, an inmate must show that his
    proposed alternative method is not just theoretically “feasible” but al-
    so “ ‘readily implemented,’ ” Glossip, 576 U. S., at ___–___. This
    means the inmate’s proposal must be sufficiently detailed to permit a
    finding that the State could carry it out relatively easily and reason-
    ably quickly. Mr. Bucklew’s proposal falls well short of that stand-
    ard. He presented no evidence on numerous questions essential to
    implementing his preferred method; instead, he merely pointed to re-
    ports from correctional authorities in other States indicating the need
    for additional study to develop a nitrogen hypoxia protocol. Second,
    the State had a “legitimate” reason for declining to switch from its
    current method of execution as a matter of law, Baze, 553 U. S., at
    52, namely, choosing not to be the first to experiment with a new,
    “untried and untested” method of execution. Id., at 41. Pp. 20–22.
    (b) Even if nitrogen hypoxia were a viable alternative, neither of
    Mr. Bucklew’s theories shows that nitrogen hypoxia would signifi-
    cantly reduce a substantial risk of severe pain. First, his contention
    that the State may use painful procedures to administer the lethal
    injection, including forcing him to lie flat on his back (which he
    claims could impair his breathing even before the pentobarbital is
    administered), rests on speculation unsupported, if not affirmatively
    contradicted, by the record. And to the extent the record is unclear,
    he had ample opportunity to conduct discovery and develop a factual
    record concerning the State’s planned procedures. Second, Mr. Buck-
    lew contends that while either method will cause him to experience
    feelings of suffocation for some period of time before he is rendered
    fully unconscious, the duration of that period will be shorter with ni-
    trogen than with pentobarbital. But nothing in the record suggests
    that he will be capable of experiencing pain for significantly more
    time after receiving pentobarbital than he would after receiving ni-
    trogen. His claim to the contrary rested on his expert’s testimony re-
    garding a study of euthanasia in horses that everyone now agrees the
    expert misunderstood or misremembered. Pp. 23–28.
    
    883 F.3d 1087
    , affirmed.
    GORSUCH, J., delivered the opinion of the Court, in which ROBERTS,
    C. J., and THOMAS, ALITO, and KAVANAUGH, JJ., joined. THOMAS, J., and
    KAVANAUGH, J., filed concurring opinions. BREYER, J., filed a dissenting
    opinion, in which GINSBURG, SOTOMAYOR, and KAGAN, JJ., joined as to
    all but Part III. SOTOMAYOR, J., filed a dissenting opinion.
    Cite as: 587 U. S. ____ (2019)                              1
    Opinion of the Court
    NOTICE: This opinion is subject to formal revision before publication in the
    preliminary print of the United States Reports. Readers are requested to
    notify the Reporter of Decisions, Supreme Court of the United States, Wash-
    ington, D. C. 20543, of any typographical or other formal errors, in order
    that corrections may be made before the preliminary print goes to press.
    SUPREME COURT OF THE UNITED STATES
    _________________
    No. 17–8151
    _________________
    RUSSELL BUCKLEW, PETITIONER v. ANNE L.
    PRECYTHE, DIRECTOR, MISSOURI DEPARTMENT
    OF CORRECTIONS, ET AL.
    ON WRIT OF CERTIORARI TO THE UNITED STATES COURT OF
    APPEALS FOR THE EIGHTH CIRCUIT
    [April 1, 2019]
    JUSTICE GORSUCH delivered the opinion of the Court.
    Russell Bucklew concedes that the State of Missouri
    lawfully convicted him of murder and a variety of other
    crimes. He acknowledges that the U. S. Constitution
    permits a sentence of execution for his crimes. He accepts,
    too, that the State’s lethal injection protocol is constitu-
    tional in most applications. But because of his unusual
    medical condition, he contends the protocol is unconstitu-
    tional as applied to him. Mr. Bucklew raised this claim for
    the first time less than two weeks before his scheduled
    execution. He received a stay of execution and five years
    to pursue the argument, but in the end neither the district
    court nor the Eighth Circuit found it supported by the law
    or evidence. Now, Mr. Bucklew asks us to overturn those
    judgments. We can discern no lawful basis for doing so.
    I
    A
    In 1996, when Stephanie Ray announced that she wanted
    to end their relationship, Mr. Bucklew grew violent. He
    cut her jaw, punched her in the face, and threatened her
    2                  BUCKLEW v. PRECYTHE
    Opinion of the Court
    with a knife. Frightened to remain in the home they had
    shared, Ms. Ray sought refuge with her children in Mi-
    chael Sanders’ nearby residence. But then one night Mr.
    Bucklew invaded that home. Bearing a pistol in each
    hand, he shot Mr. Sanders in the chest; fired at Mr. Sand-
    ers’ 6-year-old son (thankfully, he missed); and pistol-
    whipped Ms. Ray, this time breaking her jaw. Then Mr.
    Bucklew handcuffed Ms. Ray, drove her to a secluded spot,
    and raped her at gunpoint. After a trooper spotted Mr.
    Bucklew, a shootout followed and he was finally arrested.
    While all this played out, Mr. Sanders bled to death. As a
    coda, Mr. Bucklew escaped from jail while awaiting trial
    and attacked Ms. Ray’s mother with a hammer before he
    could be recaptured.
    After a decade of litigation, Mr. Bucklew was seemingly
    out of legal options. A jury had convicted him of murder
    and other crimes and recommended a death sentence,
    which the court had imposed. His direct appeal had
    proved unsuccessful. State v. Bucklew, 
    973 S.W.2d 83
    (Mo. 1998), cert. denied, 
    525 U.S. 1082
     (1999). Separate
    rounds of state and federal post-conviction proceedings
    also had failed to yield relief. Bucklew v. State, 
    38 S.W. 3d
     395 (Mo.), cert. denied, 
    534 U.S. 964
     (2001); Bucklew v.
    Luebbers, 
    436 F.3d 1010
     (CA8), cert. denied, 
    549 U.S. 1079
     (2006).
    B
    As it turned out, though, Mr. Bucklew’s case soon be-
    came caught up in a wave of litigation over lethal injection
    procedures. Like many States, Missouri has periodically
    sought to improve its administration of the death penalty.
    Early in the 20th century, the State replaced hanging with
    the gas chamber. Later in the century, it authorized the
    use of lethal injection as an alternative to lethal gas. By
    the time Mr. Bucklew’s post-conviction proceedings ended,
    Missouri’s protocol called for lethal injections to be carried
    Cite as: 587 U. S. ____ (2019)            3
    Opinion of the Court
    out using three drugs: sodium thiopental, pancuronium
    bromide, and potassium chloride. And by that time, too,
    various inmates were in the process of challenging the
    constitutionality of the State’s protocol and others like it
    around the country. See Taylor v. Crawford, 
    457 F.3d 902
     (CA8 2006); Note, A New Test for Evaluating Eighth
    Amendment Challenges to Lethal Injections, 120 Harv.
    L. Rev. 1301, 1304 (2007) (describing flood of lethal injec-
    tion lawsuits around 2006 that “severely constrained
    states’ ability to carry out executions”); Denno, The Lethal
    Injection Quandary: How Medicine Has Dismantled the
    Death Penalty, 76 Ford. L. Rev. 49, 102–116 (2007).
    Ultimately, this Court answered these legal challenges
    in Baze v. Rees, 
    553 U.S. 35
     (2008). Addressing Ken-
    tucky’s similar three-drug protocol, THE CHIEF JUSTICE,
    joined by JUSTICE ALITO and Justice Kennedy, concluded
    that a State’s refusal to alter its lethal injection protocol
    could violate the Eighth Amendment only if an inmate
    first identified a “feasible, readily implemented” alterna-
    tive procedure that would “significantly reduce a substan-
    tial risk of severe pain.” Id., at 52. JUSTICE THOMAS,
    joined by Justice Scalia, thought the protocol passed mus-
    ter because it was not intended “to add elements of terror,
    pain, or disgrace to the death penalty.” Id., at 107.
    JUSTICE BREYER reached the same result because he saw
    no evidence that the protocol created “a significant risk of
    unnecessary suffering.” Id., at 113. And though Justice
    Stevens objected to the continued use of the death penalty,
    he agreed that petitioners’ evidence was insufficient. Id.,
    at 87. After this Court decided Baze, it denied review in a
    case seeking to challenge Missouri’s similar lethal injec-
    tion protocol. Taylor v. Crawford, 
    487 F.3d 1072
     (2007),
    cert. denied, 
    553 U.S. 1004
     (2008).
    But that still was not the end of it. Next, Mr. Bucklew
    and other inmates unsuccessfully challenged Missouri’s
    protocol in state court, alleging that it had been adopted in
    4                  BUCKLEW v. PRECYTHE
    Opinion of the Court
    contravention of Missouri’s Administrative Procedure Act.
    Middleton v. Missouri Dept. of Corrections, 
    278 S.W.3d 193
     (Mo.), cert. denied, 
    556 U.S. 1255
     (2009). They also
    unsuccessfully challenged the protocol in federal court,
    this time alleging it was pre-empted by various federal
    statutes. Ringo v. Lombardi, 
    677 F.3d 793
     (CA8 2012).
    And Mr. Bucklew sought to intervene in yet another law-
    suit alleging that Missouri’s protocol violated the Eighth
    Amendment because unqualified personnel might botch its
    administration. That lawsuit failed too. Clemons v. Craw-
    ford, 
    585 F.3d 1119
     (CA8 2009), cert. denied, 
    561 U.S. 1026
     (2010).
    While all this played out, pressure from anti-death-
    penalty advocates induced the company that manufac-
    tured sodium thiopental to stop supplying it for use in
    executions. As a result, the State was unable to proceed
    with executions until it could change its lethal injection
    protocol again. This it did in 2012, prescribing the use of a
    single drug, the sedative propofol. Soon after that, Mr.
    Bucklew and other inmates sued to invalidate this new
    protocol as well, alleging that it would produce excruciat-
    ing pain and violate the Eighth Amendment on its face.
    After the State revised the protocol in 2013 to use the
    sedative pentobarbital instead of propofol, the inmates
    amended their complaint to allege that pentobarbital
    would likewise violate the Constitution.
    C
    Things came to a head in 2014. With its new protocol in
    place and the necessary drugs now available, the State
    scheduled Mr. Bucklew’s execution for May 21. But 12
    days before the execution Mr. Bucklew filed yet another
    lawsuit, the one now before us. In this case, he presented
    an as-applied Eighth Amendment challenge to the State’s
    new protocol. Whether or not it would cause excruciating
    pain for all prisoners, as his previous lawsuit alleged, Mr.
    Cite as: 587 U. S. ____ (2019)           5
    Opinion of the Court
    Bucklew now contended that the State’s protocol would
    cause him severe pain because of his particular medical
    condition. Mr. Bucklew suffers from a disease called
    cavernous hemangioma, which causes vascular tumors—
    clumps of blood vessels—to grow in his head, neck, and
    throat. His complaint alleged that this condition could
    prevent the pentobarbital from circulating properly in his
    body; that the use of a chemical dye to flush the intrave-
    nous line could cause his blood pressure to spike and his
    tumors to rupture; and that pentobarbital could interact
    adversely with his other medications.
    These latest protocol challenges yielded mixed results.
    The district court dismissed both the inmates’ facial chal-
    lenge and Mr. Bucklew’s as-applied challenge. But, at Mr.
    Bucklew’s request, this Court agreed to stay his execution
    until the Eighth Circuit could hear his appeal. Bucklew v.
    Lombardi, 
    572 U.S. 1131
     (2014). Ultimately, the Eighth
    Circuit affirmed the dismissal of the facial challenge. Zink
    v. Lombardi, 
    783 F.3d 1089
     (en banc) (per curiam), cert.
    denied, 
    576 U.S.
    ___ (2015). Then, turning to the as-
    applied challenge and seeking to apply the test set forth
    by the Baze plurality, the court held that Mr. Bucklew’s
    complaint failed as a matter of law to identify an alterna-
    tive procedure that would significantly reduce the risks he
    alleged would flow from the State’s lethal injection proto-
    col. Yet, despite this dispositive shortcoming, the court of
    appeals decided to give Mr. Bucklew another chance to
    plead his case. The court stressed that, on remand before
    the district court, Mr. Bucklew had to identify “at the
    earliest possible time” a feasible, readily implemented
    alternative procedure that would address those risks.
    Bucklew v. Lombardi, 
    783 F.3d 1120
    , 1127–1128 (2015)
    (en banc).
    Shortly after the Eighth Circuit issued its judgment,
    this Court decided Glossip v. Gross, 
    576 U.S.
    ___ (2015),
    rejecting a challenge to Oklahoma’s lethal injection proto-
    6                  BUCKLEW v. PRECYTHE
    Opinion of the Court
    col. There, the Court clarified that THE CHIEF JUSTICE’s
    plurality opinion in Baze was controlling under Marks v.
    United States, 
    430 U.S. 188
     (1977). In doing so, it reaf-
    firmed that an inmate cannot successfully challenge a
    method of execution under the Eighth Amendment unless
    he identifies “an alternative that is ‘feasible, readily im-
    plemented, and in fact significantly reduces a substantial
    risk of severe pain.’ ” 576 U. S., at ___–___ (slip op., at 12–
    13). JUSTICE THOMAS, joined by Justice Scalia, reiterated
    his view that the Eighth Amendment “prohibits only those
    methods of execution that are deliberately designed to
    inflict pain,” but he joined the Court’s opinion because it
    correctly explained why petitioners’ claim failed even
    under the controlling opinion in Baze. Glossip, 576 U. S.,
    at ___ (concurring opinion) (slip op., at 1) (internal quota-
    tion marks and alterations omitted).
    D
    Despite the Eighth Circuit’s express instructions, when
    Mr. Bucklew returned to the district court in 2015 he still
    refused to identify an alternative procedure that would
    significantly reduce his alleged risk of pain. Instead, he
    insisted that inmates should have to carry this burden
    only in facial, not as-applied, challenges. Finally, after the
    district court gave him “one last opportunity,” App. 30, Mr.
    Bucklew filed a fourth amended complaint in which he
    claimed that execution by “lethal gas” was a feasible and
    available alternative method that would significantly
    reduce his risk of pain. Id., at 42. Mr. Bucklew later
    clarified that the lethal gas he had in mind was nitrogen,
    which neither Missouri nor any other State had ever used
    to carry out an execution.
    The district court allowed Mr. Bucklew “extensive dis-
    covery” on his new proposal. 
    883 F.3d 1087
    , 1094 (CA8
    2018). But even at the close of discovery in 2017, the
    district court still found the proposal lacking and granted
    Cite as: 587 U. S. ____ (2019)           7
    Opinion of the Court
    the State’s motion for summary judgment. By this point
    in the proceedings, Mr. Bucklew’s contentions about the
    pain he might suffer had evolved considerably. He no
    longer complained about circulation of the drug, the use of
    dye, or adverse drug interactions. Instead, his main claim
    now was that he would experience pain during the period
    after the pentobarbital started to take effect but before it
    rendered him fully unconscious. According to his expert,
    Dr. Joel Zivot, while in this semiconscious “twilight stage”
    Mr. Bucklew would be unable to prevent his tumors from
    obstructing his breathing, which would make him feel like
    he was suffocating. Dr. Zivot declined to say how long this
    twilight stage would last. When pressed, however, he
    referenced a study on euthanasia in horses. He claimed
    that the horses in the study had displayed some amount of
    brain activity, as measured with an electroencephalogram
    (or EEG), for up to four minutes after they were given a
    large dose of pentobarbital. Based on Dr. Zivot’s testi-
    mony, the district court found a triable issue as to whether
    there was a “substantial risk” that Mr. Bucklew would
    “experience choking and an inability to breathe for up to
    four minutes” if he were executed by lethal injection. App.
    827. Even so, the court held, Mr. Bucklew’s claim failed
    because he had produced no evidence that his proposed
    alternative, execution by nitrogen hypoxia, would signifi-
    cantly reduce that risk.
    This time, a panel of the Eighth Circuit affirmed. The
    panel held that Mr. Bucklew had produced no evidence
    that the risk of pain he alleged “would be substantially
    reduced by use of nitrogen hypoxia instead of lethal injec-
    tion as the method of execution.” 
    883 F. 3d
    , at 1096.
    Judge Colloton dissented, arguing that the evidence raised
    a triable issue as to whether nitrogen gas would “render
    Bucklew insensate more quickly than pentobarbital.” Id.,
    at 1099. The full court denied rehearing en banc over a
    dissent by Judge Kelly, who maintained that, while pris-
    8                  BUCKLEW v. PRECYTHE
    Opinion of the Court
    oners pursuing facial challenges to a state execution pro-
    tocol must plead and prove an alternative method of exe-
    cution under Baze and Glossip, prisoners like Mr. Bucklew
    who pursue as-applied challenges should not have to bear
    that burden. 
    885 F.3d 527
    , 528 (2018).
    On the same day Mr. Bucklew was scheduled to be
    executed, this Court granted him a second stay of execu-
    tion. 583 U. S. ___ (2018). We then agreed to hear his
    case to clarify the legal standards that govern an as-
    applied Eighth Amendment challenge to a State’s method
    of carrying out a death sentence. 584 U. S. ___ (2018).
    II
    We begin with Mr. Bucklew’s suggestion that the test
    for lethal injection protocol challenges announced in Baze
    and Glossip should govern only facial challenges, not as-
    applied challenges like his. In evaluating this argument,
    we first examine the original and historical understanding
    of the Eighth Amendment and our precedent in Baze and
    Glossip. We then address whether, in light of those au-
    thorities, it would be appropriate to adopt a different
    constitutional test for as-applied claims.
    A
    The Constitution allows capital punishment. See Glos-
    sip, 576 U. S., at ___–___ (slip op., at 2–4); Baze, 553 U. S.,
    at 47. In fact, death was “the standard penalty for all
    serious crimes” at the time of the founding. S. Banner,
    The Death Penalty: An American History 23 (2002) (Ban-
    ner). Nor did the later addition of the Eighth Amendment
    outlaw the practice. On the contrary—the Fifth Amend-
    ment, added to the Constitution at the same time as the
    Eighth, expressly contemplates that a defendant may be
    tried for a “capital” crime and “deprived of life” as a pen-
    alty, so long as proper procedures are followed. And the
    First Congress, which proposed both Amendments, made a
    Cite as: 587 U. S. ____ (2019)           9
    Opinion of the Court
    number of crimes punishable by death. See Act of Apr. 30,
    1790, 1 Stat. 112. Of course, that doesn’t mean the Ameri-
    can people must continue to use the death penalty. The
    same Constitution that permits States to authorize capital
    punishment also allows them to outlaw it. But it does
    mean that the judiciary bears no license to end a debate
    reserved for the people and their representatives.
    While the Eighth Amendment doesn’t forbid capital
    punishment, it does speak to how States may carry out
    that punishment, prohibiting methods that are “cruel and
    unusual.” What does this term mean? At the time of the
    framing, English law still formally tolerated certain pun-
    ishments even though they had largely fallen into disuse—
    punishments in which “terror, pain, or disgrace [were]
    superadded” to the penalty of death. 4 W. Blackstone,
    Commentaries on the Laws of England 370 (1769). These
    included such “[d]isgusting” practices as dragging the
    prisoner to the place of execution, disemboweling, quarter-
    ing, public dissection, and burning alive, all of which
    Blackstone observed “savor[ed] of torture or cruelty.” Ibid.
    Methods of execution like these readily qualified as
    “cruel and unusual,” as a reader at the time of the Eighth
    Amendment’s adoption would have understood those
    words. They were undoubtedly “cruel,” a term often de-
    fined to mean “[p]leased with hurting others; inhuman;
    hard-hearted; void of pity; wanting compassion; savage;
    barbarous; unrelenting,” 1 S. Johnson, A Dictionary of the
    English Language (4th ed. 1773), or “[d]isposed to give
    pain to others, in body or mind; willing or pleased to tor-
    ment, vex or afflict; inhuman; destitute of pity, compassion
    or kindness,” 1 N. Webster, An American Dictionary of the
    English Language (1828). And by the time of the found-
    ing, these methods had long fallen out of use and so had
    become “unusual.” 4 Blackstone, supra, at 370; Banner
    76; Baze, 553 U. S., at 97 (THOMAS, J., concurring in
    judgment); see also Stinneford, The Original Meaning of
    10                 BUCKLEW v. PRECYTHE
    Opinion of the Court
    “Unusual”: The Eighth Amendment as a Bar to Cruel
    Innovation, 102 Nw. U. L. Rev. 1739, 1770–1771, 1814
    (2008) (observing that Americans in the late 18th and
    early 19th centuries described as “unusual” governmental
    actions that had “fall[en] completely out of usage for a long
    period of time”).
    Contemporary evidence confirms that the people who
    ratified the Eighth Amendment would have understood it
    in just this way. Patrick Henry, for one, warned that
    unless the Constitution was amended to prohibit “cruel
    and unusual punishments,” Congress would be free to
    inflict “tortures” and “barbarous” punishments. 3 Debates
    on the Federal Constitution 447–448 (J. Elliot 2d ed.
    1891). Many early commentators likewise described the
    Eighth Amendment as ruling out “the use of the rack or
    the stake, or any of those horrid modes of torture devised
    by human ingenuity for the gratification of fiendish pas-
    sion.” J. Bayard, A Brief Exposition of the Constitution of
    the United States 140 (1833); see B. Oliver, The Rights of
    an American Citizen 186 (1832) (the Eighth Amendment
    prohibits such “barbarous and cruel punishments” as
    “[b]reaking on the wheel, flaying alive, rending asunder
    with horses, . . . maiming, mutilating and scourging to
    death”). Justice Story even remarked that he thought the
    prohibition of cruel and unusual punishments likely “un-
    necessary” because no “free government” would ever au-
    thorize “atrocious” methods of execution like these. 3 J.
    Story, Commentaries on the Constitution of the United
    States §1896, p. 750 (1833).
    Consistent with the Constitution’s original understand-
    ing, this Court in Wilkerson v. Utah, 
    99 U.S. 130
     (1879),
    permitted an execution by firing squad while observing
    that the Eighth Amendment forbade the gruesome meth-
    ods of execution described by Blackstone “and all others in
    the same line of unnecessary cruelty.” Id., at 135–136. A
    few years later, the Court upheld a sentence of death by
    Cite as: 587 U. S. ____ (2019)           11
    Opinion of the Court
    electrocution while observing that, though electrocution
    was a new mode of punishment and therefore perhaps
    could be considered “unusual,” it was not “cruel” in the
    constitutional sense: “[T]he punishment of death is not
    cruel, within the meaning of that word as used in the
    Constitution. [Cruelty] implies . . . something inhuman
    and barbarous, something more than the mere extin-
    guishment of life.” In re Kemmler, 
    136 U.S. 436
    , 447
    (1890).
    It’s instructive, too, to contrast the modes of execution
    the Eighth Amendment was understood to forbid with
    those it was understood to permit. At the time of the
    Amendment’s adoption, the predominant method of execu-
    tion in this country was hanging. Glossip, 576 U. S., at
    ___ (slip op., at 2). While hanging was considered more
    humane than some of the punishments of the Old World,
    it was no guarantee of a quick and painless death. “Many
    and perhaps most hangings were evidently painful for the
    condemned person because they caused death slowly,” and
    “[w]hether a hanging was painless or painful seems to
    have been largely a matter of chance.” Banner 48, 170.
    The force of the drop could break the neck and sever the
    spinal cord, making death almost instantaneous. But that
    was hardly assured given the techniques that prevailed at
    the time. More often it seems the prisoner would die from
    loss of blood flow to the brain, which could produce uncon-
    sciousness usually within seconds, or suffocation, which
    could take several minutes. Id., at 46–47; J. Laurence,
    The History of Capital Punishment 44–46 (1960); Gard-
    ner, Executions and Indignities: An Eighth Amendment
    Assessment of Methods of Inflicting Capital Punishment,
    
    39 Ohio St. L
    . J. 96, 120 (1978). But while hanging could
    and often did result in significant pain, its use “was virtu-
    ally never questioned.” Banner 170. Presumably that was
    because, in contrast to punishments like burning and
    disemboweling, hanging wasn’t “intended to be painful”
    12                  BUCKLEW v. PRECYTHE
    Opinion of the Court
    and the risk of pain involved was considered “unfortunate
    but inevitable.” Ibid.; see also id., at 48.
    What does all this tell us about how the Eighth
    Amendment applies to methods of execution? For one
    thing, it tells us that the Eighth Amendment does not
    guarantee a prisoner a painless death—something that, of
    course, isn’t guaranteed to many people, including most
    victims of capital crimes. Glossip, 576 U. S., at ___ (slip
    op., at 4). Instead, what unites the punishments the
    Eighth Amendment was understood to forbid, and distin-
    guishes them from those it was understood to allow, is
    that the former were long disused (unusual) forms of
    punishment that intensified the sentence of death with a
    (cruel) “ ‘superadd[ition]’ ” of “ ‘terror, pain, or disgrace.’ ”
    Baze, 553 U. S., at 48; accord, id., at 96 (THOMAS, J., con-
    curring in judgment).
    This Court has yet to hold that a State’s method of
    execution qualifies as cruel and unusual, and perhaps
    understandably so. Far from seeking to superadd terror,
    pain, or disgrace to their executions, the States have often
    sought more nearly the opposite, exactly as Justice Story
    predicted. Through much of the 19th century, States
    experimented with technological innovations aimed at
    making hanging less painful. See Banner 170–177. In the
    1880s, following the recommendation of a commission
    tasked with finding “ ‘the most humane and practical
    method known to modern science of carrying into effect
    the sentence of death,’ ” the State of New York replaced
    hanging with electrocution. Glossip, 576 U. S., at ___ (slip
    op., at 2). Several States followed suit in the “ ‘ “belief that
    electrocution is less painful and more humane than hang-
    ing.” ’ ” Ibid. Other States adopted lethal gas after con-
    cluding it was “ ‘the most humane [method of execution]
    known to modern science.’ ” Ibid. And beginning in the
    1970s, the search for less painful modes of execution led
    many States to switch to lethal injection. Id., at ___ (slip
    Cite as: 587 U. S. ____ (2019)           13
    Opinion of the Court
    op., at 3); Baze, 553 U. S., at 42, 62; see also Banner 178–
    181, 196–197, 297. Notably, all of these innovations oc-
    curred not through this Court’s intervention, but through
    the initiative of the people and their representatives.
    Still, accepting the possibility that a State might try to
    carry out an execution in an impermissibly cruel and
    unusual manner, how can a court determine when a State
    has crossed the line? THE CHIEF JUSTICE’s opinion in
    Baze, which a majority of the Court held to be controlling
    in Glossip, supplies critical guidance. It teaches that
    where (as here) the question in dispute is whether the
    State’s chosen method of execution cruelly superadds pain
    to the death sentence, a prisoner must show a feasible and
    readily implemented alternative method of execution that
    would significantly reduce a substantial risk of severe
    pain and that the State has refused to adopt without a
    legitimate penological reason. See Glossip, 576 U. S., at
    ___–___ (slip op., at 12–13); Baze, 553 U. S., at 52. Glossip
    left no doubt that this standard governs “all Eighth
    Amendment method-of-execution claims.” 576 U. S., at
    ___ (slip op., at 1).
    In reaching this conclusion, Baze and Glossip recognized
    that the Eighth Amendment “does not demand the avoid-
    ance of all risk of pain in carrying out executions.” Baze,
    553 U. S., at 47. To the contrary, the Constitution affords
    a “measure of deference to a State’s choice of execution
    procedures” and does not authorize courts to serve as
    “boards of inquiry charged with determining ‘best practices’
    for executions.” Id., at 51–52, and nn. 2–3. The Eighth
    Amendment does not come into play unless the risk of
    pain associated with the State’s method is “substantial
    when compared to a known and available alternative.”
    Glossip, 576 U. S., at ___ (slip op., at 13); see Baze, 553
    U. S., at 61. Nor do Baze and Glossip suggest that tradi-
    tionally accepted methods of execution—such as hanging,
    the firing squad, electrocution, and lethal injection—are
    14                 BUCKLEW v. PRECYTHE
    Opinion of the Court
    necessarily rendered unconstitutional as soon as an argu-
    ably more humane method like lethal injection becomes
    available. There are, the Court recognized, many legiti-
    mate reasons why a State might choose, consistent with
    the Eighth Amendment, not to adopt a prisoner’s pre-
    ferred method of execution. See, e.g., Glossip, 576 U. S., at
    ___–___ (slip op., at 13–14) (a State can’t be faulted for
    failing to use lethal injection drugs that it’s unable to
    procure through good-faith efforts); Baze, 553 U. S., at 57
    (a State has a legitimate interest in selecting a method it
    regards as “preserving the dignity of the procedure”); id.,
    at 66 (ALITO, J., concurring) (a State isn’t required to
    modify its protocol in ways that would require the in-
    volvement of “persons whose professional ethics rules or
    traditions impede their participation”).
    As we’ve seen, two Members of the Court whose votes
    were essential to the judgment in Glossip argued that
    establishing cruelty consistent with the Eighth Amend-
    ment’s original meaning demands slightly more than the
    majority opinion there (or the Baze plurality opinion it
    followed) suggested. Instead of requiring an inmate to
    establish that a State has unreasonably refused to alter its
    method of execution to avoid a risk of unnecessary pain,
    JUSTICE THOMAS and Justice Scalia contended that an
    inmate must show that the State intended its method to
    inflict such pain. See Glossip, 576 U. S., at ___ (THOMAS,
    J., concurring) (slip op., at 1); Baze, 553 U. S., at 94–107
    (THOMAS, J., concurring in judgment). But revisiting that
    debate isn’t necessary here because, as we’ll see, the State
    was entitled to summary judgment in this case even under
    the more forgiving Baze-Glossip test. See Part III, infra.
    B
    Before turning to the application of Baze and Glossip,
    however, we must confront Mr. Bucklew’s argument that a
    different standard entirely should govern as-applied chal-
    Cite as: 587 U. S. ____ (2019)           15
    Opinion of the Court
    lenges like his. He admits that Baze and Glossip supply
    the controlling test in facial challenges to a State’s chosen
    method of execution. But he suggests that he should not
    have to prove an alternative method of execution in his as-
    applied challenge because “certain categories” of punish-
    ment are “manifestly cruel . . . without reference to any
    alternative methods.” Brief for Petitioner 41–42 (internal
    quotation marks omitted). He points to “ ‘burning at the
    stake, crucifixion, [and] breaking on the wheel’ ” as exam-
    ples of “categorically” cruel methods. Ibid. And, he says,
    we should use this case to add to the list of “categorically”
    cruel methods any method that, as applied to a particular
    inmate, will pose a “substantial and particular risk of
    grave suffering” due to the inmate’s “unique medical
    condition.” Id., at 44.
    The first problem with this argument is that it’s fore-
    closed by precedent. Glossip expressly held that identify-
    ing an available alternative is “a requirement of all Eighth
    Amendment method-of-execution claims” alleging cruel
    pain. 576 U. S., at ___ (slip op., at 1) (emphasis added).
    And just as binding as this holding is the reasoning under-
    lying it. Distinguishing between constitutionally permis-
    sible and impermissible degrees of pain, Baze and Glossip
    explained, is a necessarily comparative exercise. To decide
    whether the State has cruelly “superadded” pain to the
    punishment of death isn’t something that can be accom-
    plished by examining the State’s proposed method in a
    vacuum, but only by “compar[ing]” that method with a
    viable alternative. Glossip, 576 U. S., at ___ (slip op., at
    13); see Baze, 553 U. S., at 61. As Mr. Bucklew acknowl-
    edges when speaking of facial challenges, this comparison
    “provides the needed metric” to measure whether the
    State is lawfully carrying out an execution or inflicting
    “gratuitous” pain. Brief for Petitioner 42–43. Yet it is
    that very comparison and needed metric Mr. Bucklew
    would now have us discard. Nor does he offer some per-
    16                BUCKLEW v. PRECYTHE
    Opinion of the Court
    suasive reason for overturning our precedent. To the
    contrary, Mr. Bucklew simply repeats the same argument
    the principal dissent offered and the Court expressly and
    thoughtfully rejected in Glossip. Just as Mr. Bucklew
    argues here, the dissent there argued that “certain meth-
    ods of execution” like “burning at the stake” should be
    declared “categorically off-limits.” And just as Mr. Buck-
    lew submits here, the dissent there argued that any other
    “intolerably painful” method of execution should be added
    to this list. 576 U. S., at ___–___ (SOTOMAYOR, J., dissent-
    ing) (slip op., at 23–24). Mr. Bucklew’s submission, thus,
    amounts to no more than a headlong attack on precedent.
    Mr. Bucklew’s argument fails for another independent
    reason: It is inconsistent with the original and historical
    understanding of the Eighth Amendment on which Baze
    and Glossip rest. As we’ve seen, when it comes to deter-
    mining whether a punishment is unconstitutionally cruel
    because of the pain involved, the law has always asked
    whether the punishment “superadds” pain well beyond
    what’s needed to effectuate a death sentence. And an-
    swering that question has always involved a comparison
    with available alternatives, not some abstract exercise in
    “categorical” classification. At common law, the ancient
    and barbaric methods of execution Mr. Bucklew cites were
    understood to be cruel precisely because—by comparison
    to other available methods—they went so far beyond what
    was needed to carry out a death sentence that they could
    only be explained as reflecting the infliction of pain for
    pain’s sake. Meanwhile, hanging carried with it an
    acknowledged and substantial risk of pain but was not
    considered cruel because that risk was thought—by com-
    parison to other known methods—to involve no more pain
    than was reasonably necessary to impose a lawful death
    sentence. See supra, at 9–12.
    What does the principal dissent have to say about all
    this? It acknowledges that Glossip’s comparative re-
    Cite as: 587 U. S. ____ (2019)          17
    Opinion of the Court
    quirement helps prevent facial method-of-execution claims
    from becoming a “backdoor means to abolish” the death
    penalty. Post, at 8 (opinion of BREYER, J.). But, the dis-
    sent assures us, there’s no reason to worry that as-applied
    method-of-execution challenges might be used that way.
    This assurance misses the point. As we’ve explained, the
    alternative-method requirement is compelled by our un-
    derstanding of the Constitution, not by mere policy
    concerns.
    With that, the dissent is left only to rehash the same
    argument that Mr. Bucklew offers. The dissent insists
    that some forms of execution are just categorically cruel.
    Post, at 10–11. At first and like others who have made
    this argument, the dissent offers little more than intuition
    to support its conclusion. Ultimately, though, even it bows
    to the necessity of something firmer. If a “comparator is
    needed” to assess whether an execution is cruel, the dis-
    sent tells us, we should compare the pain likely to follow
    from the use of a lethal injection in this case with the
    pain-free use of lethal injections in mine-run cases. Post,
    at 10. But that’s just another way of saying executions
    must always be carried out painlessly because they can be
    carried out painlessly most of the time, a standard the
    Constitution has never required and this Court has re-
    jected time and time again. Supra, at 12. To determine
    whether the State is cruelly superadding pain, our prece-
    dents and history require asking whether the State had
    some other feasible and readily available method to carry
    out its lawful sentence that would have significantly re-
    duced a substantial risk of pain.
    That Mr. Bucklew and the dissent fail to respect the
    force of our precedents—or to grapple with the under-
    standing of the Constitution on which our precedents
    rest—is more than enough reason to reject their view that
    as-applied and facial challenges should be treated differ-
    ently. But it turns out their position on this score suffers
    18                 BUCKLEW v. PRECYTHE
    Opinion of the Court
    from further problems too—problems that neither Mr.
    Bucklew nor the dissent even attempts to address.
    Take this one. A facial challenge is really just a claim
    that the law or policy at issue is unconstitutional in all its
    applications. So classifying a lawsuit as facial or as-
    applied affects the extent to which the invalidity of the
    challenged law must be demonstrated and the correspond-
    ing “breadth of the remedy,” but it does not speak at all to
    the substantive rule of law necessary to establish a consti-
    tutional violation. Citizens United v. Federal Election
    Comm’n, 
    558 U.S. 310
    , 331 (2010). Surely it would be
    strange for the same words of the Constitution to bear
    entirely different meanings depending only on how broad
    a remedy the plaintiff chooses to seek. See Gross v. United
    States, 
    771 F.3d 10
    , 14–15 (CADC 2014) (“ ‘[T]he substan-
    tive rule of law is the same for both [facial and as-applied]
    challenges’ ”); Brooklyn Legal Servs. Corp. v. Legal Servs.
    Corp., 
    462 F.3d 219
    , 228 (CA2 2006) (the facial/as-applied
    distinction affects “the extent to which the invalidity of a
    statute need be demonstrated,” not “the substantive rule of
    law to be used”). And surely, too, it must count for some-
    thing that we have found not a single court decision in
    over 200 years suggesting that the Eighth Amendment’s
    meaning shifts in this way. To the contrary, our precedent
    suggests just the opposite. In the related context of an
    Eighth Amendment challenge to conditions of confine-
    ment, we have seen “no basis whatever” for applying a
    different legal standard to “deprivations inflicted upon all
    prisoners” and those “inflicted upon particular prisoners.”
    Wilson v. Seiter, 
    501 U.S. 294
    , 299, n. 1 (1991).
    Here’s yet another problem with Mr. Bucklew’s argu-
    ment: It invites pleading games. The line between facial
    and as-applied challenges can sometimes prove “amor-
    phous,” Elgin v. Department of Treasury, 
    567 U.S. 1
    , 15
    (2012), and “not so well defined,” Citizens United, 558
    U. S., at 331. Consider an example. Suppose an inmate
    Cite as: 587 U. S. ____ (2019)           19
    Opinion of the Court
    claims that the State’s lethal injection protocol violates the
    Eighth Amendment when used to execute anyone with a
    very common but not quite universal health condition.
    Should such a claim be regarded as facial or as-applied?
    In another context, we sidestepped a debate over how to
    categorize a comparable claim—one that neither sought
    “to strike [the challenged law] in all its applications” nor
    was “limited to plaintiff ’s particular case”—by concluding
    that “[t]he label is not what matters.” Doe v. Reed, 
    561 U.S. 186
    , 194 (2010). To hold now, for the first time, that
    choosing a label changes the meaning of the Constitution
    would only guarantee a good deal of litigation over labels,
    with lawyers on each side seeking to classify cases to
    maximize their tactical advantage. Unless increasing the
    delay and cost involved in carrying out executions is the
    point of the exercise, it’s hard to see the benefit in placing
    so much weight on what can be an abstruse exercise.
    Finally, the burden Mr. Bucklew must shoulder under
    the Baze-Glossip test can be overstated. An inmate seek-
    ing to identify an alternative method of execution is not
    limited to choosing among those presently authorized by a
    particular State’s law.         Missouri itself seemed to
    acknowledge as much at oral argument. Tr. of Oral Arg.
    65. So, for example, a prisoner may point to a well-
    established protocol in another State as a potentially
    viable option. Of course, in a case like that a court would
    have to inquire into the possibility that one State pos-
    sessed a legitimate reason for declining to adopt the proto-
    col of another. See supra, at 13–14. And existing state
    law might be relevant to determining the proper proce-
    dural vehicle for the inmate’s claim.           See Hill v.
    McDonough, 
    547 U.S. 573
    , 582–583 (2006) (if the relief
    sought in a 
    42 U.S. C
    . §1983 action would “foreclose the
    State from implementing the [inmate’s] sentence under
    present law,” then “recharacterizing a complaint as an
    action for habeas corpus might be proper”). But the
    20                 BUCKLEW v. PRECYTHE
    Opinion of the Court
    Eighth Amendment is the supreme law of the land, and
    the comparative assessment it requires can’t be controlled
    by the State’s choice of which methods to authorize in its
    statutes. In light of this, we see little likelihood that an
    inmate facing a serious risk of pain will be unable to iden-
    tify an available alternative—assuming, of course, that
    the inmate is more interested in avoiding unnecessary
    pain than in delaying his execution.
    III
    Having (re)confirmed that anyone bringing a method of
    execution claim alleging the infliction of unconstitution-
    ally cruel pain must meet the Baze-Glossip test, we can now
    turn to the question whether Mr. Bucklew is able to sat-
    isfy that test. Has he identified a feasible and readily im-
    plemented alternative method of execution the State
    refused to adopt without a legitimate reason, even though
    it would significantly reduce a substantial risk of severe
    pain? Because the case comes to us after the entry of
    summary judgment, this appeal turns on whether Mr.
    Bucklew has shown a genuine issue of material fact war-
    ranting a trial.
    A
    We begin with the question of a proposed alternative
    method. Through much of this case and despite many
    opportunities, Mr. Bucklew refused to identify any alter-
    native method of execution, choosing instead to stand on
    his argument that Baze and Glossip’s legal standard
    doesn’t govern as-applied challenges like his (even after
    the Eighth Circuit rejected that argument). Only when
    the district court warned that his continued refusal to
    abide this Court’s precedents would result in immediate
    dismissal did Mr. Bucklew finally point to nitrogen hy-
    poxia. The district court then afforded Mr. Bucklew “exten-
    sive discovery” to explore the viability of that alternative.
    Cite as: 587 U. S. ____ (2019)           21
    Opinion of the Court
    
    883 F. 3d
    , at 1094. But even after all that, we conclude
    Mr. Bucklew has failed for two independent reasons to
    present a triable question on the viability of nitrogen
    hypoxia as an alternative to the State’s lethal injection
    protocol.
    First, an inmate must show that his proposed alterna-
    tive method is not just theoretically “ ‘feasible’ ” but also
    “ ‘readily implemented.’ ” Glossip, 576 U. S., at ___–___
    (slip op., at 12–13). This means the inmate’s proposal
    must be sufficiently detailed to permit a finding that the
    State could carry it out “relatively easily and reasonably
    quickly.” McGehee v. Hutchinson, 
    854 F.3d 488
    , 493 (CA8
    2017); Arthur v. Commissioner, Ala. Dept. of Corrections,
    
    840 F.3d 1268
    , 1300 (CA11 2016). Mr. Bucklew’s bare-
    bones proposal falls well short of that standard. He has
    presented no evidence on essential questions like how
    nitrogen gas should be administered (using a gas chamber,
    a tent, a hood, a mask, or some other delivery device); in
    what concentration (pure nitrogen or some mixture of
    gases); how quickly and for how long it should be intro-
    duced; or how the State might ensure the safety of the
    execution team, including protecting them against the risk
    of gas leaks. Instead of presenting the State with a read-
    ily implemented alternative method, Mr. Bucklew (and the
    principal dissent) point to reports from correctional au-
    thorities in other States indicating that additional study is
    needed to develop a protocol for execution by nitrogen
    hypoxia. See App. 697 (Oklahoma grand jury report rec-
    ommending that the State “retain experts” and conduct
    “further research” to “determine how to carry out the
    sentence of death by this method”); id., at 736 (report of
    Louisiana Dept. of Public Safety & Corrections stating
    that “[r]esearch . . . is ongoing” to develop a nitrogen hy-
    poxia protocol). That is a proposal for more research, not
    the readily implemented alternative that Baze and Glossip
    require.
    22                     BUCKLEW v. PRECYTHE
    Opinion of the Court
    Second, and relatedly, the State had a “legitimate”
    reason for declining to switch from its current method of
    execution as a matter of law. Baze, 553 U. S., at 52.
    Rather than point to a proven alternative method, Mr.
    Bucklew sought the adoption of an entirely new method—
    one that had “never been used to carry out an execution”
    and had “no track record of successful use.” McGehee, 
    854 F. 3d
    , at 493. But choosing not to be the first to experi-
    ment with a new method of execution is a legitimate rea-
    son to reject it. In Baze we observed that “no other State
    ha[d] adopted” the one-drug protocol the inmates sought
    and they had “proffered no study showing” their one-drug
    protocol would be as effective and humane as the State’s
    existing three-drug protocol. 553 U. S., at 57. Under
    those circumstances, we held as a matter of law that
    Kentucky’s refusal to adopt the inmates’ proffered protocol
    could not “constitute a violation of the Eighth Amend-
    ment.” Ibid. The Eighth Amendment prohibits States
    from dredging up archaic cruel punishments or perhaps
    inventing new ones, but it does not compel a State to
    adopt “untried and untested” (and thus unusual in the
    constitutional sense) methods of execution. Id., at 41.1
    ——————
    1 While   this case has been pending, a few States have authorized
    nitrogen hypoxia as a method of execution. See 2018 Ala. Acts no.
    2018–353 (allowing condemned inmates to elect execution by nitrogen
    hypoxia); 2017 Miss. Laws ch. 406, p. 905 (authorizing execution by
    nitrogen hypoxia only if lethal injection is held unconstitutional or is
    otherwise unavailable); 2015 Okla. Sess. Laws ch. 75, p. 244 (same). In
    March 2018, officials in Oklahoma announced that, due to the unavail-
    ability of lethal injection drugs, the State would use nitrogen gas for its
    executions going forward. See Williams, Oklahoma Proposes To Use
    Nitrogen Gas for Executions by Asphyxiation, N. Y. Times, Mar. 15,
    2018, p. A22. But Oklahoma has so far been unable to find a manufac-
    turer willing to sell it a gas delivery device for use in executions. See
    Clay, State Not Ready for Executions, The Oklahoman, Jan. 27, 2019,
    p. A1. To date, no one in this case has pointed us to an execution in
    this country using nitrogen gas.
    Cite as: 587 U. S. ____ (2019)           23
    Opinion of the Court
    B
    Even if a prisoner can carry his burden of showing a
    readily available alternative, he must still show that it
    would significantly reduce a substantial risk of severe
    pain. Glossip, 576 U. S., at ___ (slip op., at 13); Baze, 553
    U. S., at 52. A minor reduction in risk is insufficient; the
    difference must be clear and considerable. Over the
    course of this litigation, Mr. Bucklew’s explanation why
    nitrogen hypoxia meets this standard has evolved signifi-
    cantly. But neither of the two theories he has advanced in
    this Court turns out to be supported by record evidence.
    First, Mr. Bucklew points to several risks that he alleges
    could result from use of the State’s lethal injection protocol
    that would not be present if the State used nitrogen gas.
    For example, he says the execution team might try to insert
    an IV into one of his peripheral veins, which could cause
    the vein to rupture; or the team might instead use an
    allegedly painful “cut-down” procedure to access his femo-
    ral vein. He also says that he might be forced to lie flat on
    his back during the execution, which could impair his
    breathing even before the pentobarbital is administered.
    And he says the stress from all this could cause his tumors
    to bleed, further impairing his breathing. These risks, we
    may assume, would not exist if Mr. Bucklew were exe-
    cuted by his preferred method of nitrogen hypoxia.
    The problem with all of these contentions is that they
    rest on speculation unsupported, if not affirmatively con-
    tradicted, by the evidence in this case. Nor does the prin-
    cipal dissent contend otherwise. So, for example, uncon-
    troverted record evidence indicates that the execution
    team will have discretion to adjust the gurney to whatever
    position is in Mr. Bucklew’s best medical interests. 
    883 F. 3d
    , at 1092, n. 3; App. 531. Moreover, the State agreed
    in the district court that it would not try to place an IV in
    Mr. Bucklew’s compromised peripheral veins. Id., at 820;
    see Brief for Appellant in No. 17–3052 (CA8), p. 7. And,
    24                    BUCKLEW v. PRECYTHE
    Opinion of the Court
    assuming without granting that using a cut-down would
    raise issues under the Eighth Amendment—but see Noon-
    er v. Norris, 
    594 F.3d 592
    , 604 (CA8 2010) (holding oth-
    erwise)—the State’s expert, Dr. Michael Antognini, testi-
    fied without contradiction that it should be possible to
    place an IV in Mr. Bucklew’s femoral vein without using a
    cut-down procedure, App. 350. Mr. Bucklew responds by
    pointing to the warden’s testimony that he once saw medi-
    cal staff perform a cut-down as part of an execution; but
    there’s no evidence that what the warden saw was an
    attempt to access a femoral vein, as opposed to some other
    vein.
    Moreover, to the extent the record is unclear on any of
    these issues, Mr. Bucklew had ample opportunity to con-
    duct discovery and develop a factual record concerning
    exactly what procedures the State planned to use. He
    failed to do so—presumably because the thrust of his
    constitutional claim was that any attempt to execute him
    via lethal injection would be unconstitutional, regardless
    of the specific procedures the State might use. As the
    court of appeals explained: “Having taken the position
    that any lethal injection procedure would violate the
    Eighth Amendment,” Mr. Bucklew “made no effort to
    determine what changes, if any, the [State] would make in
    applying its lethal injection protocol” to him, and he “never
    urged the district court to establish a suitable fact-finding
    procedure . . . to define the as-applied lethal injection
    protocol [the State] intends to use.” 
    883 F. 3d
    , at 1095–
    1096.2
    ——————
    2 While the district court allowed discovery on many other matters,
    Mr. Bucklew protests that it did not permit him to learn the identities
    of the lethal injection execution team members, to depose them, or to
    inquire into their qualifications, training, and experience. Like the
    Eighth Circuit, we see no abuse of discretion in the district court’s
    discovery rulings. As the district court explained, Mr. Bucklew argues
    that there is no way he may be constitutionally executed by lethal
    Cite as: 587 U. S. ____ (2019)                   25
    Opinion of the Court
    Second, Mr. Bucklew contends that the lethal injection
    itself will expose him to a substantial risk of severe pain
    that could be eliminated by adopting his preferred method.
    He claims that once the sedative pentobarbital is injected
    he will “lose the ability to manage” the tumors in his
    airway and, as a result, will experience a “sense of suffoca-
    tion” for some period of time before the State’s sedative
    renders him fully unconscious. Brief for Petitioner 12–13.
    “It is during this in-between twilight stage,” according to
    his expert, Dr. Zivot, “that Mr. Bucklew is likely to experi-
    ence prolonged feelings of suffocation and excruciating
    pain.” App. 234. Mr. Bucklew admits that similar feelings
    of suffocation could occur with nitrogen, the only differ-
    ence being the potential duration of the so-called “twilight
    stage.” He contends that with nitrogen the stage would
    last at most 20 to 30 seconds, while with pentobarbital it
    could last up to several minutes.
    But here again the record contains insufficient evidence
    to permit Mr. Bucklew to avoid summary judgment. For
    starters, in the courts below Mr. Bucklew maintained he
    would have trouble managing his airway only if he were
    forced to lie supine, which (as we’ve explained) the evi-
    dence shows he won’t be. (The dissenters don’t address
    this point.) But even indulging his new claim that he will
    have this difficulty regardless of position, he still has
    failed to present colorable evidence that nitrogen would
    significantly reduce his risk of pain. We can assume for
    argument’s sake that Mr. Bucklew is correct that with
    nitrogen the twilight stage would last 20 to 30 seconds.
    The critical question, then, is how long that period might
    last with pentobarbital. The State’s expert, Dr. Antognini,
    testified that pentobarbital, too, would render Mr. Buck-
    ——————
    injection, even with modifications to the State’s lethal injection proto-
    col. And in a case like that, discovery into such granular matters as
    who administers the protocol simply is not relevant.
    26                 BUCKLEW v. PRECYTHE
    Opinion of the Court
    lew fully unconscious and incapable of experiencing pain
    within 20 to 30 seconds. Id., at 299–301, 432–433. Dr.
    Zivot disagreed; but when he was asked how long he
    thought the twilight stage would last with pentobarbital,
    his testimony was evasive. Eventually, he said his “num-
    ber would be longer than” 20 to 30 seconds, but he de-
    clined to say how much longer. Id., at 195. Instead, he
    referenced a 2015 study on euthanasia in horses. He said
    the study found that when horses were given a large dose
    of pentobarbital (along with other drugs), they exhibited
    “isoelectric EEG”—a complete absence of detectable brain
    activity—after 52 to 240 seconds. Id., at 194–196. The
    district court assumed Dr. Zivot meant that “pain might
    be felt until measurable brain activity ceases” and that,
    extrapolating from the horse study, it might take up to
    four minutes for pentobarbital to “induc[e] a state in
    which [Mr. Bucklew] could no longer sense that he is
    choking or unable to breathe.” The district court acknowl-
    edged, however, that this might be “a generous interpreta-
    tion of Dr. Zivot’s testimony.” Id., at 822, and n. 5.
    In fact, there’s nothing in the record to suggest that Mr.
    Bucklew will be capable of experiencing pain for signifi-
    cantly more than 20 to 30 seconds after being injected
    with pentobarbital. For one thing, Mr. Bucklew’s lawyer
    now admits that Dr. Zivot “crossed up the numbers” from
    the horse study. Tr. of Oral Arg. 7–8, 11–12. The study
    actually reported that the horses displayed isoelectric
    EEG between 2 and 52 seconds after infusion of pentobar-
    bital was completed, with an average time of less than 24
    seconds. App. 267. So if anything, the horse study ap-
    pears to bolster Dr. Antognini’s time estimate. For another
    thing, everyone now also seems to acknowledge that
    isoelectric EEG is the wrong measure. Dr. Zivot never
    claimed the horses were capable of experiencing pain until
    they reached isoelectric EEG. And Mr. Bucklew’s lawyer
    now concedes that doctors perform major surgery on hu-
    Cite as: 587 U. S. ____ (2019)           27
    Opinion of the Court
    man patients with measurable EEG readings, which
    strongly suggests that Mr. Bucklew will be insensible to
    pain before reaching isoelectric EEG. Tr. of Oral Arg. 9.
    Finally, the record evidence even allows the possibility
    that nitrogen could increase the risk of pain. Because Dr.
    Zivot declined to testify about the likely effects of nitrogen
    gas, Mr. Bucklew must rely on Dr. Antognini’s testimony.
    And while Dr. Antognini did say he thought nitrogen’s
    “onset of action” could be “relatively fast,” App. 458, he
    added that the effects of nitrogen could vary depending on
    exactly how it would be administered—information Mr.
    Bucklew hadn’t provided. Indeed, he stated that “depend-
    ing on . . . how it’s used, you might get more suffering from
    nitrogen gas than you would have” from the State’s cur-
    rent protocol. Id., at 460–461.
    Of course, the principal dissent maintains that Dr.
    Zivot’s testimony supports an inference that pentobarbital
    might cause Mr. Bucklew to suffer for a prolonged period.
    But its argument rests on a number of mistakes about the
    record. For example, the dissent points to Dr. Zivot’s
    remark that, with pentobarbital, “ ‘the period of time
    between receiving the injection and death could range over
    a few minutes to many minutes.’ ” Post, at 4, 6 (quoting
    App. 222). From this, the dissent concludes that Mr.
    Bucklew may suffer for “up to several minutes.” Post, at 1,
    6, 9. But everyone agrees that the relevant question isn’t
    how long it will take for Mr. Bucklew to die, but how long
    he will be capable of feeling pain. Seeking to address the
    problem, the dissent next points to another part of Dr.
    Zivot’s testimony and says it means Mr. Bucklew could
    experience pain during the entire time between injection
    and death. Post, at 6, 13 (quoting App. 222). But the
    dissent clips the relevant quotation. As the full quotation
    makes clear, Dr. Zivot claimed that Mr. Bucklew might be
    unable to “maintain the integrity of his airway” until he
    died—but he carefully avoided claiming that Mr. Bucklew
    28                    BUCKLEW v. PRECYTHE
    Opinion of the Court
    would be capable of feeling pain until he died.3 To avoid
    this problem, the dissent quotes Dr. Zivot’s assertions that
    pentobarbital might not produce “ ‘rapid unconsciousness’ ”
    and that Mr. Bucklew’s suffering with pentobarbital could
    be “ ‘prolonged.’ ” Post, at 4–6, 13 (quoting App. 233–234).
    But Dr. Zivot’s statements here, too, fail to specify how
    long Mr. Bucklew is likely to be able to feel pain. The
    hard fact is that, when Dr. Zivot was finally compelled to
    offer a view on this question, his only response was to
    refer to the horse study. Id., at 195–196. The dissent’s
    effort to suggest that Dr. Zivot “did not rely exclusively or
    even heavily on that study,” post, at 7, is belied by (among
    other things) Mr. Bucklew’s own brief in this Court, which
    asserted that the twilight stage during which he might
    feel pain could last “between 52 and 240 seconds,” based
    entirely on a citation of Dr. Zivot’s incorrect testimony
    about the horse study. Brief for Petitioner 13.
    In sum, even if execution by nitrogen hypoxia were a
    feasible and readily implemented alternative to the State’s
    chosen method, Mr. Bucklew has still failed to present any
    evidence suggesting that it would significantly reduce his
    risk of pain. For that reason as well, the State was enti-
    tled to summary judgment on Mr. Bucklew’s Eighth
    Amendment claim.4
    ——————
    3 Here’s the full quotation, with the portion quoted by the dissent
    underlined:
    “As a result of his inability to maintain the integrity of his airway
    for the period of time beginning with the injection of the Pento-
    barbital solution and ending with Mr. Bucklew’s death several
    minutes to as long as many minutes later, Mr. Bucklew would be
    highly likely to experience feelings of ‘air hunger’ and the excruci-
    ating pain of prolonged suffocation resulting from the complete
    obstruction of his airway by the large vascular tumor.” App. 222.
    4 The State contends that Mr. Bucklew’s claim should fail for yet an-
    other reason: because, in the State’s view, the evidence does not show
    that he is very likely to suffer “ ‘severe pain’ ” cognizable under the
    Cite as: 587 U. S. ____ (2019)                  29
    Opinion of the Court
    IV
    “Both the State and the victims of crime have an im-
    portant interest in the timely enforcement of a sentence.”
    Hill, 547 U. S., at 584. Those interests have been frus-
    trated in this case. Mr. Bucklew committed his crimes
    more than two decades ago. He exhausted his appeal and
    separate state and federal habeas challenges more than a
    decade ago. Yet since then he has managed to secure
    delay through lawsuit after lawsuit. He filed his current
    challenge just days before his scheduled execution. That
    suit has now carried on for five years and yielded two
    appeals to the Eighth Circuit, two 11th-hour stays of
    execution, and plenary consideration in this Court. And
    despite all this, his suit in the end amounts to little more
    than an attack on settled precedent, lacking enough evi-
    dence even to survive summary judgment—and on not just
    one but many essential legal elements set forth in our case
    law and required by the Constitution’s original meaning.
    The people of Missouri, the surviving victims of Mr.
    Bucklew’s crimes, and others like them deserve better.
    Even the principal dissent acknowledges that “the long
    delays that now typically occur between the time an of-
    fender is sentenced to death and his execution” are “exces-
    sive.” Post, at 16. The answer is not, as the dissent incon-
    gruously suggests, to reward those who interpose delay
    with a decree ending capital punishment by judicial fiat.
    Post, at 18. Under our Constitution, the question of capi-
    tal punishment belongs to the people and their represent-
    atives, not the courts, to resolve. The proper role of courts
    is to ensure that method-of-execution challenges to law-
    ——————
    Eighth Amendment. Glossip v. Gross, 
    576 U.S.
    ___, ___ (2015) (slip
    op., at 13) (quoting Baze v. Rees, 
    553 U.S. 35
    , 52 (2008); emphasis
    added). We have no need, however, to address that argument because
    (as explained above) Mr. Bucklew fails even to show that a feasible and
    readily available alternative could significantly reduce the pain he
    alleges.
    30                     BUCKLEW v. PRECYTHE
    Opinion of the Court
    fully issued sentences are resolved fairly and expeditiously.
    Courts should police carefully against attempts to use
    such challenges as tools to interpose unjustified delay.
    Last-minute stays should be the extreme exception, not
    the norm, and “the last-minute nature of an application”
    that “could have been brought” earlier, or “an applicant’s
    attempt at manipulation,” “may be grounds for denial of a
    stay.” Hill, 547 U. S., at 584 (internal quotation marks
    omitted). So, for example, we have vacated a stay entered
    by a lower court as an abuse of discretion where the in-
    mate waited to bring an available claim until just 10 days
    before his scheduled execution for a murder he had com-
    mitted 24 years earlier. See Dunn v. Ray, 
    586 U.S.
    ___
    (2019).5 If litigation is allowed to proceed, federal courts
    “can and should” protect settled state judgments from
    “undue interference” by invoking their “equitable powers”
    to dismiss or curtail suits that are pursued in a “dilatory”
    ——————
    5 Seeking to relitigate Dunn v. Ray, the principal dissent asserts that
    that case involved no undue delay because the inmate “brought his
    claim only five days after he was notified” that the State would not
    allow his spiritual adviser to be present with him in the execution
    chamber itself, although it would allow the adviser to be present on the
    other side of a glass partition. Post, at 17. But a state statute listed
    “[t]he spiritual adviser of the condemned” as one of numerous individ-
    uals who would be allowed to “be present at an execution,” many of
    whom—such as “newspaper reporters,” “relatives or friends of the
    condemned person,” and “the victim’s immediate family members”—
    obviously would not be allowed into the chamber itself. Ala. Code §15–
    18–83 (2018). The inmate thus had long been on notice that there was
    a question whether his adviser would be allowed into the chamber or
    required to remain on the other side of the glass. Yet although he had
    been on death row since 1999, and the State had set a date for his
    execution on November 6, 2018, he waited until January 23, 2019—just
    15 days before the execution—to ask for clarification. He then brought
    a claim 10 days before the execution and sought an indefinite stay.
    This delay implicated the “strong equitable presumption” that no stay
    should be granted “where a claim could have been brought at such a
    time as to allow consideration of the merits without requiring entry of a
    stay.” Hill v. McDonough, 
    547 U.S. 573
    , 584 (2006).
    Cite as: 587 U. S. ____ (2019)          31
    Opinion of the Court
    fashion or based on “speculative” theories. Id., at 584–
    585.
    *
    The judgment of the court of appeals is
    Affirmed.
    Cite as: 587 U. S. ____ (2019)            1
    THOMAS, J., concurring
    SUPREME COURT OF THE UNITED STATES
    _________________
    No. 17–8151
    _________________
    RUSSELL BUCKLEW, PETITIONER v. ANNE L.
    PRECYTHE, DIRECTOR, MISSOURI DEPARTMENT
    OF CORRECTIONS, ET AL.
    ON WRIT OF CERTIORARI TO THE UNITED STATES COURT OF
    APPEALS FOR THE EIGHTH CIRCUIT
    [April 1, 2019]
    JUSTICE THOMAS, concurring.
    I adhere to my view that “a method of execution violates
    the Eighth Amendment only if it is deliberately designed
    to inflict pain.” Baze v. Rees, 
    553 U.S. 35
    , 94 (2008) (opin-
    ion concurring in judgment); ante, at 14. Because there is
    no evidence that Missouri designed its protocol to inflict
    pain on anyone, let alone Russell Bucklew, I would end the
    inquiry there. Nonetheless, I join the Court’s opinion in
    full because it correctly explains why Bucklew’s claim fails
    even under the Court’s precedents.
    I write separately to explain why JUSTICE BREYER’s
    dissenting opinion does not cast doubt on this standard.
    Post, at 15–16. As I explained in Baze, “the evil the
    Eighth Amendment targets is intentional infliction of
    gratuitous pain.” 553 U. S., at 102 (opinion concurring in
    judgment). The historical evidence shows that the Fram-
    ers sought to disable Congress from imposing various
    kinds of torturous punishments, such as “ ‘gibbeting,’ ”
    “burning at the stake,” and “ ‘embowelling alive, behead-
    ing, and quartering.’ ” Id., at 95–98 (quoting 4 W. Black-
    stone, Commentaries *376 (Blackstone), and S. Banner,
    The Death Penalty: An American History 71–72 (2002)).
    In England, these aggravated forms of capital punishment
    were “ ‘superadded’ ” to increase terror and disgrace for
    2                  BUCKLEW v. PRECYTHE
    THOMAS, J., concurring
    “ ‘very atrocious crimes,’ ” such as treason and murder.
    See Baze, supra, at 96–97 (quoting 4 Blackstone *376).
    The founding generation ratified the Eighth Amendment
    to reject that practice, contemplating that capital punish-
    ment would continue, but without those punishments
    deliberately designed to superadd pain. See Baze, 553
    U. S., at 97–98. Under this view, the constitutionality of a
    particular execution thus turns on whether the Govern-
    ment “deliberately designed” the method of execution “to
    inflict pain,” id., at 94, without regard to the subjective
    intent of the executioner.
    Contrary to JUSTICE BREYER’s suggestion, my view does
    not render the Eighth Amendment “a static prohibition”
    proscribing only “the same things that it proscribed in the
    18th century.” Post, at 15–16. A method of execution not
    specifically contemplated at the founding could today be
    imposed to “superad[d]” “terror, pain, or disgrace.” 4
    Blackstone *376. Thankfully—and consistent with Justice
    Story’s view that the Eighth Amendment is “wholly un-
    necessary in a free government,” 3 J. Story, Commentaries
    on the Constitution of the United States 750 (1833)—
    States do not attempt to devise such diabolical punish-
    ments. E.g., Baze, supra, at 107 (“Kentucky adopted its
    lethal injection protocol in an effort to make capital pun-
    ishment more humane”). It is therefore unsurprising that,
    despite JUSTICE BREYER’s qualms about the death pen-
    alty, e.g., post, at 18, this Court has never held a method of
    execution unconstitutional. Because the Court correctly
    declines to do so again today, I join in full.
    Cite as: 587 U. S. ____ (2019)           1
    KAVANAUGH, J., concurring
    SUPREME COURT OF THE UNITED STATES
    _________________
    No. 17–8151
    _________________
    RUSSELL BUCKLEW, PETITIONER v. ANNE L.
    PRECYTHE, DIRECTOR, MISSOURI DEPARTMENT
    OF CORRECTIONS, ET AL.
    ON WRIT OF CERTIORARI TO THE UNITED STATES COURT OF
    APPEALS FOR THE EIGHTH CIRCUIT
    [April 1, 2019]
    JUSTICE KAVANAUGH, concurring.
    When an inmate raises an as-applied constitutional
    challenge to a particular method of execution—that is, a
    challenge to a method of execution that is constitutional in
    general but that the inmate says is very likely to cause
    him severe pain—one question is whether the inmate
    must identify an available alternative method of execution
    that would significantly reduce the risk of severe pain.
    Applying our recent decisions in Glossip v. Gross, 
    576 U.S.
    ___ (2015), and Baze v. Rees, 
    553 U.S. 35
     (2008)
    (plurality opinion), the Court’s answer to that question is
    yes. Under those precedents, I agree with the Court’s
    holding and join the Court’s opinion.
    I write to underscore the Court’s additional holding that
    the alternative method of execution need not be author-
    ized under current state law—a legal issue that had been
    uncertain before today’s decision. See Arthur v. Dunn, 
    580 U.S.
    ___, ___–___ (2017) (slip op., at 9–11) (SOTOMAYOR,
    J., dissenting from denial of certiorari). Importantly, all
    nine Justices today agree on that point. Ante, at 19; post,
    at 14 (BREYER, J., dissenting).
    As the Court notes, it follows from that additional hold-
    ing that the burden of the alternative-method requirement
    “can be overstated.” Ante, at 19. Indeed,      the    Court
    2                  BUCKLEW v. PRECYTHE
    KAVANAUGH, J., concurring
    states: “[W]e see little likelihood that an inmate facing a
    serious risk of pain will be unable to identify an available
    alternative.” Ante, at 20.
    In other words, an inmate who contends that a particu-
    lar method of execution is very likely to cause him severe
    pain should ordinarily be able to plead some alternative
    method of execution that would significantly reduce the
    risk of severe pain. At oral argument in this Court, the
    State suggested that the firing squad would be such an
    available alternative, if adequately pleaded. Tr. of Oral
    Arg. 63–64 (“He can plead firing squad. . . . Of course, if he
    had . . . pleaded firing squad, it’s possible that Missouri
    could have executed him by firing squad”). JUSTICE
    SOTOMAYOR has likewise explained that the firing squad
    is an alternative method of execution that generally causes
    an immediate and certain death, with close to zero risk
    of a botched execution. See Arthur, 580 U. S., at ___–___
    (slip op., at 17–18). I do not here prejudge the question
    whether the firing squad, or any other alternative method
    of execution, would be a feasible and readily implemented
    alternative for every State. See McGehee v. Hutchinson,
    
    854 F.3d 488
    , 493–494 (CA8 2017). Rather, I simply
    emphasize the Court’s statement that “we see little likeli-
    hood that an inmate facing a serious risk of pain will be
    unable to identify an available alternative.” Ante, at 20.
    Cite as: 587 U. S. ____ (2019)           1
    BREYER, J., dissenting
    SUPREME COURT OF THE UNITED STATES
    _________________
    No. 17–8151
    _________________
    RUSSELL BUCKLEW, PETITIONER v. ANNE L.
    PRECYTHE, DIRECTOR, MISSOURI DEPARTMENT
    OF CORRECTIONS, ET AL.
    ON WRIT OF CERTIORARI TO THE UNITED STATES COURT OF
    APPEALS FOR THE EIGHTH CIRCUIT
    [April 1, 2019]
    JUSTICE BREYER, with whom JUSTICE GINSBURG,
    JUSTICE SOTOMAYOR, and JUSTICE KAGAN join as to all
    but Part III, dissenting.
    The Court’s decision in this case raises three questions.
    The first is primarily a factual question, namely, whether
    Bucklew has established genuine issues of material fact
    concerning whether executing him by lethal injection
    would cause him excessive suffering. The second is pri-
    marily a legal question, namely, whether a prisoner like
    Bucklew with a rare medical condition must identify an
    alternative method by which the State may execute him.
    And the third is a more general question, namely, how to
    minimize delays in executing offenders who have been
    condemned to death.
    I disagree with the majority’s answers to all three ques-
    tions. Bucklew cites evidence that executing him by lethal
    injection will cause the tumors that grow in his throat to
    rupture during his execution, causing him to sputter,
    choke, and suffocate on his own blood for up to several
    minutes before he dies. That evidence establishes at this
    stage of the proceedings that executing Bucklew by lethal
    injection risks subjecting him to constitutionally imper-
    missible suffering. The majority holds that the State may
    execute him anyway. In my view, that holding violates
    2                  BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    the clear command of the Eighth Amendment.
    I
    I begin with a factual question: whether Bucklew has
    established that, because of his rare medical condition, the
    State’s current method of execution risks subjecting him to
    excessive suffering. See Glossip v. Gross, 
    576 U.S.
    ___,
    ___ (2015) (slip op., at 13) (requiring “a demonstrated risk
    of severe pain”); see also Baze v. Rees, 
    553 U.S. 35
    , 50
    (2008) (plurality opinion) (requiring “a substantial risk of
    serious harm” (internal quotation marks omitted)).
    There is no dispute as to the applicable summary judg-
    ment standard. Because the State moved for summary
    judgment, it can prevail if, but only if, it “shows that there
    is no genuine dispute as to any material fact.” Fed. Rule
    Civ. Proc. 56(a); see also Anderson v. Liberty Lobby, Inc.,
    
    477 U.S. 242
    , 248 (1986). On review, we examine the
    record as a whole, which includes “depositions, documents,
    [and] affidavits or declarations.” Rule 56(c). And we must
    construe the evidence in the light most favorable to Buck-
    lew and draw every justifiable inference in his favor. See
    Tolan v. Cotton, 
    572 U.S. 650
    , 651 (2014) (per curiam).
    A
    Bucklew has easily established a genuine issue of mate-
    rial fact regarding whether an execution by lethal injec-
    tion would subject him to impermissible suffering.
    The record indicates that Bucklew suffers from a con-
    genital condition known as cavernous hemangioma that
    causes tumors filled with blood vessels to grow throughout
    his body, including in his head, face, neck, and oral cavity.
    The condition is rare. One study estimates that hemangi-
    omas in the oral cavity occur in less than one percent of
    the population, and that hemangiomas like Bucklew’s
    have been identified in five cases. See Wang, Chen, Mo-
    jica, & Chen, Cavernous Hemangioma of the Uvula, 8 N.
    Cite as: 587 U. S. ____ (2019)           3
    BREYER, J., dissenting
    Am. J. Med. & Sci. 56, 56–59 (2015).
    Tumors grow out of Bucklew’s lip and over his mouth, as
    well as on his hard and soft palates. One tumor also
    grows directly on Bucklew’s uvula, which has become
    “grossly enlarged” as a result. App. 225. (The uvula is the
    “pendent fleshy lobe” that hangs from the back of the
    throat. Merriam-Webster’s Collegiate Dictionary 1379
    (11th ed. 2003).) Bucklew’s tumors obstruct his airway
    and make it difficult for him to breathe. His difficulty
    breathing is chronic, but is particularly acute when he lies
    flat and gravity pulls his engorged uvula into his airway.
    He often has to adjust the positioning of his head to pre-
    vent his uvula from obstructing his breathing. He sleeps
    at a 45-degree angle to facilitate breathing, and he often
    wakes up in the middle of the night gasping for air.
    Due to the sensitivity of his tumors, even minimal con-
    tact may cause them to hemorrhage. He has described
    past hemorrhages as “ ‘squirting’ ” or “leaking” blood, and
    he states that the first thing he does each morning is to
    wipe the blood off his face that leaked from his nose and
    mouth as he slept. Bucklew’s condition is progressive and,
    due to the risk of significant blood loss caused by the
    sensitivity of his tumors, cannot be treated by surgery.
    Bucklew maintains that, as a result of this medical
    condition, executing him by lethal injection would prove
    excruciatingly painful. In support of this claim, Bucklew
    submitted sworn declarations and deposition testimony
    from an expert witness, Dr. Joel Zivot, an anesthesiologist.
    Dr. Zivot provided extensive testimony regarding the pain
    that Bucklew would likely endure in an execution by
    lethal injection:
     Dr. Zivot testified that in light of “the degree to which
    Mr. Bucklew’s airway is compromised by the hemangi-
    omas” and “the particular psychological and physical
    effects of lethal injection, it is highly likely that Mr.
    4                    BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    Bucklew would be unable to maintain the integrity of
    his airway during the time after receiving the lethal
    injection and before death.” App. 221.
     Dr. Zivot explained that, as a result of “the highly fri-
    able and fragile state of the tissue of Mr. Bucklew’s
    mouth and airway,” Bucklew “will likely experience
    hemorrhaging and/or the possible rupture of the tu-
    mor” on his uvula during his execution. Id., at 222.
     Dr. Zivot added that the “hemorrhaging will further
    impede Mr. Bucklew’s airway by filling his mouth and
    airway with blood, causing him to choke and cough on
    his own blood.” Ibid.
     Dr. Zivot concluded that “it is highly likely that Mr.
    Bucklew, given his specific congenital medical condi-
    tion, cannot undergo lethal injection without experi-
    encing the excruciating pain and suffering” of “suffoca-
    tion, convulsions, and visible hemorrhaging.” Id.,
    at 223.
    Dr. Zivot also testified about the duration of pain to
    which an execution by lethal injection would subject Buck-
    lew, describing it as “prolonged.” Id., at 234.
     Dr. Zivot stated that the effects of a pentobarbital in-
    jection “are highly unlikely to be instantaneous and
    the period of time between receiving the injection and
    death could range over a few minutes to many
    minutes.” Id., at 222 (emphasis added).
     Dr. Zivot “strongly disagree[d] with [the State’s ex-
    pert’s] repeated claim that the pentobarbital injection
    would result in ‘rapid unconsciousness.’ ” Id., at 233.
    Cite as: 587 U. S. ____ (2019)            5
    BREYER, J., dissenting
     Dr. Zivot explained that Bucklew “would likely experi-
    ence unconsciousness that sets in progressively as the
    chemical circulates through his system” and that it
    was during this period that Bucklew was “likely to ex-
    perience prolonged feelings of suffocation and excruci-
    ating pain.” Id., at 233–234.
    The State asked the District Court to grant summary
    judgment in its favor on the theory that Bucklew failed to
    identify a genuine factual issue regarding whether an
    execution by lethal injection would be impermissibly
    painful. The District Court refused. The court believed
    that Bucklew had adequately shown that for up to several
    minutes he “could be aware that he is choking or unable to
    breathe but be unable to ‘adjust’ his breathing to remedy
    the situation.” Id., at 827. Recognizing that the State’s
    evidence suggested that Bucklew would experience this
    choking sensation for a shorter period, the District Court
    concluded that the dispute between the experts was “a
    factual dispute that the Court cannot resolve on summary
    judgment, and would have to be resolved at trial.” Ibid.
    The District Court was right. The evidence, taken in
    the light most favorable to Bucklew, creates a genuine
    factual issue as to whether Missouri’s lethal injection
    protocol would subject him to several minutes of “severe
    pain and suffering,” Glossip, 576 U. S., at ___ (slip op., at
    13), during which he would choke and suffocate on his own
    blood. In my view, executing Bucklew by forcing him to
    choke on his grossly enlarged uvula and suffocate on his
    blood would exceed “the limits of civilized standards.”
    Kennedy v. Louisiana, 
    554 U.S. 407
    , 435 (2008) (internal
    quotation marks omitted); see also Trop v. Dulles, 
    356 U.S. 86
    , 100–101 (1958) (plurality opinion). The experts
    dispute whether Bucklew’s execution will prove as unusu-
    ally painful as he claims, but resolution of that dispute is a
    matter for trial.
    6                  BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    B
    The majority, while characterizing the matter as “criti-
    cal,” says that there is “nothing in the record to suggest
    that Mr. Bucklew will be capable of experiencing pain for
    significantly more than 20 to 30 seconds after being in-
    jected with pentobarbital.” Ante, at 26. But what about
    Dr. Zivot’s testimony that the time between injection and
    death “could range over a few minutes to many minutes”?
    App. 222. What about Dr. Zivot’s characterization of the
    pain involved as “prolonged”? Id., at 234. What about Dr.
    Zivot’s “stron[g] disagree[ment] with [the State’s expert’s]
    repeated claim that the pentobarbital injection would
    result in ‘rapid unconsciousness’ ”? Id., at 233.
    The majority construes Dr. Zivot’s testimony to show
    only that Bucklew might remain alive for several minutes
    after the injection, not that he will be capable of feeling
    pain for several minutes after the injection. Ante, at 27.
    But immediately following his prediction that the time
    between injection and death could range up to many
    minutes, Dr. Zivot stated that “beginning with the injec-
    tion of the Pentobarbital solution and ending with Mr.
    Bucklew’s death several minutes to as long as many
    minutes later, Mr. Bucklew would be highly likely to
    experience feelings of ‘air hunger’ and the excruciating
    pain of prolonged suffocation.” App. 222 (emphasis added).
    Dr. Zivot thus testified both that lethal injection
    would take up to several minutes to kill Bucklew and that
    Bucklew would experience excruciating pain during this
    period. And it is not the case, as the majority believes,
    that Dr. Zivot “carefully avoided claiming that Mr. Buck-
    lew would be capable of feeling pain until he died,” ante, at
    28, particularly given that the record must be construed in
    the light most favorable to Bucklew.
    The majority also justifies its refusal to credit Dr. Zivot’s
    testimony on the ground that Dr. Zivot gave a response
    during his deposition suggesting that he misinterpreted a
    Cite as: 587 U. S. ____ (2019)            7
    BREYER, J., dissenting
    study of euthanasia in horses. Ante, at 26–27. Bucklew’s
    expert, however, did not rely exclusively or even heavily
    upon that study; he mentioned it only in response to a
    question posed in his deposition. To the contrary, Dr.
    Zivot explained that his testimony regarding the pain to
    which Bucklew would be subjected was “supported both by
    [his] own professional knowledge of how chemicals of this
    type are likely to exert their effects in the body as well as
    by the terms of Missouri’s Execution Procedure.” App.
    222.
    Whether any mistake about the importance of a single
    study makes all the difference to Bucklew’s case is a mat-
    ter not for this Court to decide at summary judgment, but
    for the factfinder to resolve at trial. As Judge Colloton
    pointed out in dissent below, attacks on the “reliability
    and credibility of Dr. Zivot’s opinion,” including “his possi-
    ble misreading of the horse study on which he partially
    relied,” give rise to factual disputes. See 
    883 F.3d 1087
    ,
    1099 (CA8 2018). Judge Colloton therefore concluded that
    “[t]he district court did not err in concluding that it could
    not resolve the dispute between the experts on summary
    judgment.” Ibid. I agree.
    II
    This case next presents a legal question. The Court in
    Glossip held in the context of a facial challenge to a State’s
    execution protocol that the plaintiffs were required not
    only to establish that the execution method gave rise to a
    “demonstrated risk of severe pain,” but also to identify a
    “known and available” alternative method. 576 U. S., at
    ___ (slip op., at 13). The Court added that the alternative
    must be “feasible, readily implemented, and in fact signifi-
    cantly reduc[e] a substantial risk of severe pain.” Id., at
    ___–___ (slip op., at 12–13) (internal quotation marks
    omitted).
    I joined the dissent in Glossip, but for present purposes
    8                  BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    I accept the Glossip majority opinion as governing. I
    nonetheless do not believe its “alternative method” re-
    quirement applies in this case. We “often read general
    language in judicial opinion[s] as referring in context to
    circumstances similar to the circumstances then before the
    Court and not referring to quite different circumstances
    that the Court was not then considering.” Illinois v. Lid-
    ster, 
    540 U.S. 419
    , 424 (2004). And while I acknowledge
    that the Court in Glossip spoke in unqualified terms, the
    circumstances in Glossip were indeed “different” in rele-
    vant respects from the circumstances presented here.
    A
    The plaintiffs in Glossip undertook an across-the-board
    attack against the use of a particular execution method,
    which they maintained violated the Eighth Amendment
    categorically. In this case, by contrast, Bucklew does not
    attack Missouri’s lethal injection protocol categorically, or
    even in respect to any execution other than his own.
    Instead, he maintains that he is special; that he suffers
    from a nearly unique illness; and that, by virtue of that
    illness, Missouri’s execution method will be excruciatingly
    painful for him even though it would not affect others in
    the same way. These differences make a difference.
    First, these differences show that the reasons that un-
    derlie Glossip’s “alternative method” requirement do not
    apply here.
    The Glossip Court stressed the importance of preventing
    method-of-execution challenges from becoming a backdoor
    means to abolish capital punishment in general. The
    Court wrote that “because it is settled that capital pun-
    ishment is constitutional, it necessarily follows that there
    must be a constitutional means of carrying it out.” Glos-
    sip, 576 U. S., at ___ (slip op., at 4) (alterations omitted).
    The Court added that “we have time and again reaffirmed
    that capital punishment is not per se unconstitutional.”
    Cite as: 587 U. S. ____ (2019)           9
    BREYER, J., dissenting
    Id., at ___ (slip op., at 16). And the Court feared that
    allowing prisoners to invalidate a State’s method of execu-
    tion without identifying an alternative would “effectively
    overrule these decisions.” Ibid. But there is no such risk
    here. Holding Missouri’s lethal injection protocol uncon-
    stitutional as applied to Bucklew—who has a condition
    that has been identified in only five people, see supra, at
    2–3—would not risk invalidating the death penalty in
    Missouri. And, because the State would remain free to
    execute prisoners by other permissible means, declining to
    extend Glossip’s “alternative method” requirement in this
    context would be unlikely to exempt Bucklew or any other
    prisoner from the death penalty. Even in the unlikely
    event that the State could not identify a permissible alter-
    native in a particular case, it would be perverse to treat
    that as a reason to execute a prisoner by the method he
    has shown to involve excessive suffering.
    The Glossip Court, in adopting the “alternative method”
    requirement, relied on THE CHIEF JUSTICE’s plurality
    opinion in Baze, which discussed the need to avoid “in-
    trud[ing] on the role of state legislatures in implementing
    their execution procedures.” 553 U. S., at 51; see also
    ante, at 13 (we owe “a measure of deference to a State’s
    choice of execution procedures” (internal quotation marks
    omitted)). But no such intrusion problem exists in a case
    like this one. When adopting a method of execution, a
    state legislature will rarely consider the method’s applica-
    tion to an individual who, like Bucklew, suffers from a
    rare disease. It is impossible to believe that Missouri’s
    legislature, when adopting lethal injection, considered the
    possibility that it would cause prisoners to choke on their
    own blood for up to several minutes before they die. Ex-
    empting a prisoner from the State’s chosen method of
    execution in these circumstances does not interfere with
    any legislative judgment.
    The Court in Glossip may have also believed that the
    10                 BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    identification of a permissible alternative method of execu-
    tion would provide a reference point to assist in determin-
    ing how much pain in an execution is too much pain. See
    576 U. S., at ___–___ (slip op., at 12–13); Baze, 553 U. S.,
    at 47, 51 (plurality opinion); see also ante, at 15 (arguing
    that determining the constitutionality of a method of
    execution “is a necessarily comparative exercise”). But
    there is no need for any such reference point in a case like
    this. Bucklew accepts the constitutionality of Missouri’s
    chosen execution method as to prisoners who do not share
    his medical condition. See Brief for Petitioner 36. We are
    informed that this method has been used in 20 executions,
    apparently without subjecting prisoners to undue pain.
    See Brief for Respondents 5. To the extent that any com-
    parator is needed, those executions provide a readymade,
    built-in comparator against which a court can measure the
    degree of excessive pain Bucklew will suffer.
    Second, precedent counsels against extending Glossip.
    Neither this Court’s oldest method-of-execution case,
    Wilkerson v. Utah, 
    99 U.S. 130
     (1879), nor any subse-
    quent decision of this Court until Glossip, held that pris-
    oners who challenge a State’s method of execution must
    identify an alternative means by which the State may
    execute them. To the contrary, in Hill v. McDonough, 
    547 U.S. 573
     (2006), the Court squarely and unanimously
    rejected the argument that a prisoner must “identif[y] an
    alternative, authorized method of execution.” Id., at 582.
    The Court noted that any such requirement would “change
    the traditional pleading requirements for §1983 actions,”
    which we were not at liberty to do. Ibid. It is thus diffi-
    cult to see how the “alternative-method” requirement
    could be “compelled by our understanding of the Constitu-
    tion,” ante, at 17, even though the Constitution itself never
    hints at such a requirement, even though we did not apply
    such a requirement in more than a century of method-of-
    execution cases, and even though we unanimously rejected
    Cite as: 587 U. S. ____ (2019)           11
    BREYER, J., dissenting
    such a requirement in Hill. And while the Court in Glos-
    sip did not understand itself to be bound by Hill, see Glos-
    sip, 576 U. S., at ___ (slip op., at 15) (distinguishing Hill
    on the theory that Hill merely rejected a heightened
    pleading requirement for §1983 suits), the two decisions
    remain in considerable tension. Confining Glossip’s “al-
    ternative method” requirement to facial challenges would
    help to reconcile them.
    Third, the troubling implications of today’s ruling pro-
    vide the best reason for declining to extend Glossip’s “al-
    ternative method” requirement. The majority acknowl-
    edges that the Eighth Amendment prohibits States from
    executing prisoners by “ ‘horrid modes of torture’ ” such as
    burning at the stake. Ante, at 10. But the majority’s
    decision permits a State to execute a prisoner who suffers
    from a medical condition that would render his execution
    no less painful. Bucklew has provided evidence of a seri-
    ous risk that his execution will be excruciating and gro-
    tesque. The majority holds that the State may execute
    him anyway. That decision confirms the warning leveled
    by the Glossip dissent—that the Court has converted the
    Eighth Amendment’s “categorical prohibition into a condi-
    tional one.” 576 U. S., at ___ (opinion of SOTOMAYOR, J.)
    (slip op., at 24).
    B
    Even assuming for argument’s sake that Bucklew must
    bear the burden of showing the existence of a “known and
    available” alternative method of execution that “signifi-
    cantly reduces a substantial risk of severe pain,” id., at ___
    (majority opinion) (slip op., at 13) (alteration and internal
    quotation marks omitted), Bucklew has satisfied that
    burden. The record contains more than enough evidence
    on the point to raise genuine and material factual issues
    that preclude summary judgment.
    Bucklew identified as an alternative method of execu-
    12                BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    tion the use of nitrogen hypoxia, which is a form of execu-
    tion by lethal gas. Missouri law permits the use of this
    method of execution. See Mo. Rev. Stat. §546.720 (2002).
    Three other States—Alabama, Mississippi, and Okla-
    homa—have specifically authorized nitrogen hypoxia as a
    method of execution. See ante, at 22, n. 1. And Bucklew
    introduced into the record reports from Oklahoma and
    Louisiana indicating that nitrogen hypoxia would be
    simple and painless. These reports summarized the scien-
    tific literature as indicating that there is “no reported
    physical discom[fort] associated with inhaling pure nitro-
    gen,” App. 742, that the “onset of hypoxia is typically so
    subtle that it is unnoticeable to the subject,” id., at 745,
    and that nitrogen hypoxia would take an estimated
    “seventeen-to-twenty seconds” to render a subject uncon-
    scious, id., at 746–747. The Oklahoma study concluded that
    nitrogen hypoxia is “the most humane method” of execu-
    tion available. Id., at 736. And the Louisiana study stat-
    ed that the “[u]se of nitrogen as a method of execution can
    assure a quick and painless death of the offender.” Id.,
    at 746.
    How then can the majority conclude that Bucklew has
    failed to identify an alternative method of execution? The
    majority finds Bucklew’s evidence inadequate in part
    because, in the majority’s view, it does not show that
    nitrogen hypoxia will “significantly reduce” Bucklew’s risk
    of pain as compared with lethal injection. Ante, at 23. But
    the majority does not dispute the evidence suggesting that
    nitrogen hypoxia would be “quick and painless” and would
    take effect in 20 to 30 seconds. The majority instead
    believes that “nothing in the record” suggests that lethal
    injection would take longer than nitrogen gas to take
    effect. Ante, at 26. As I have already explained, the ma-
    jority reaches this conclusion by overlooking considerable
    evidence to the contrary—such as Dr. Zivot’s testimony
    that Bucklew’s pain would likely prove “prolonged,” App.
    Cite as: 587 U. S. ____ (2019)           13
    BREYER, J., dissenting
    234, that lethal injection would not “result in ‘rapid un-
    consciousness,’ ” id., at 233, and that from the time of
    injection to “Mr. Bucklew’s death several minutes to as
    long as many minutes later, Mr. Bucklew would be highly
    likely to experience . . . the excruciating pain of prolonged
    suffocation,” id., at 222. In discounting this evidence, the
    majority simply fails “to adhere to the axiom that in ruling
    on a motion for summary judgment, the evidence of the
    nonmovant is to be believed, and all justifiable inferences
    are to be drawn in his favor.” Tolan, 572 U. S., at 651
    (internal quotation marks and alteration omitted).
    The majority additionally believes that Bucklew’s evi-
    dence fails to show that nitrogen hypoxia would be easy to
    implement. Ante, at 21. But the reports from Oklahoma
    and Louisiana tell a different story. The Louisiana report
    states that nitrogen hypoxia would be “simple to adminis-
    ter.” App. 737. The Oklahoma report similarly concludes
    that “[d]eath sentences carried out by nitrogen inhalation
    would be simple to administer.” Id., at 746; see also id., at
    696. The reports explain that nitrogen hypoxia would “not
    require the use of a complex medical procedure or phar-
    maceutical products,” id., at 747, would “not require the
    assistance of licensed medical professionals,” id., 736, and
    would require only materials that are “readily available
    for purchase,” id., at 739. Further, “[b]ecause the protocol
    involved in nitrogen induced hypoxia is so simple, mis-
    takes are unlikely to occur.” Id., at 748. And both studies
    recommend the development of protocols for actual im-
    plementation. See id., at 697 (Oklahoma report recom-
    mending development of “a nitrogen hypoxia protocol”);
    id., at 736 (Louisiana report noting that although “the
    exact protocol” has not been finalized, the report recom-
    mends “that hypoxia induced by the inhalation of nitrogen
    be considered for adoption”); see also Murphy, Oklahoma
    Says It Plans To Use Nitrogen for Executions, USA Today,
    Mar. 15, 2018 (quoting the Oklahoma attorney general’s
    14                BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    statement that nitrogen “will be effective, simple to ad-
    minister, easy to obtain and requires no complex medical
    procedures”); but cf. ante, at 21.
    Presented with evidence such as Bucklew’s, I believe a
    State should take at least minimal steps to determine the
    feasibility of the proposed alternative. The responsible
    state official in this case, however, acknowledged that he
    “did not conduct research concerning the feasibility of
    lethal gas as a method of execution in Missouri.” Id., at
    713; see also Record in No. 14–800 (WD Mo.), Doc. 182–6,
    p. 16 (different official acknowledging that, “to be candid,
    no, I did not go out and try to find answers to those
    questions”).
    The majority sensibly recognizes that an inmate seeking
    to identify an alternative method of execution “is not
    limited to choosing among those presently authorized by a
    particular State’s law.” Ante, at 19. But the majority
    faults Bucklew for failing to provide guidance about the
    administration of nitrogen hypoxia down to the last detail.
    The majority believes that Bucklew failed to present evi-
    dence “on essential questions” such as whether the nitro-
    gen should be administered “using a gas chamber, a tent,
    a hood, [or] a mask”; or “in what concentration (pure ni-
    trogen or some mixture of gases)” it should be adminis-
    tered; or even how the State might “protec[t the execution
    team] against the risk of gas leaks.” Ante, at 21.
    Perhaps Bucklew did not provide these details. But
    Glossip did not refer to any of these requirements; today’s
    majority invents them. And to insist upon them is to
    create what, in a case like this one, would amount to an
    insurmountable hurdle for prisoners like Bucklew. That
    hurdle, I fear, could permit States to execute even those
    who will endure the most serious pain and suffering,
    irrespective of how exceptional their case and irrespective
    of how thoroughly they prove it. I cannot reconcile the
    majority’s decision with a constitutional Amendment that
    Cite as: 587 U. S. ____ (2019)           15
    BREYER, J., dissenting
    forbids all “cruel and unusual punishments.” Amdt. 8.
    C
    JUSTICE THOMAS concurs in the majority’s imposition of
    an “alternative method” requirement, but would also
    permit Bucklew’s execution on the theory that a method of
    execution violates the Eighth Amendment “ ‘only if it is
    deliberately designed to inflict pain.’ ” Ante, at 1 (concur-
    ring opinion) (quoting Baze, 553 U. S., at 94 (THOMAS, J.,
    concurring in judgment)). But that is not the proper
    standard.
    For one thing, JUSTICE THOMAS’ view would make the
    constitutionality of a particular execution turn on the
    intent of the person inflicting it. But it is not correct that
    concededly torturous methods of execution such as burn-
    ing alive are impermissible when imposed to inflict pain
    but not when imposed for a subjectively different purpose.
    To the prisoner who faces the prospect of a torturous
    execution, the intent of the person inflicting the punish-
    ment makes no difference.
    For another thing, we have repeatedly held that the
    Eighth Amendment is not a static prohibition that pro-
    scribes the same things that it proscribed in the 18th
    century. Rather, it forbids punishments that would be
    considered cruel and unusual today. The Amendment
    prohibits “unnecessary suffering” in the infliction of pun-
    ishment, which this Court has understood to prohibit
    punishments that are “grossly disproportionate to the
    severity of the crime” as well as punishments that do not
    serve any “penological purpose.” Estelle v. Gamble, 
    429 U.S. 97
    , 103, and n. 7 (1976). The Constitution prohibits
    gruesome punishments even though they may have been
    common at the time of the founding. Few would dispute,
    for example, the unconstitutionality of “a new law provid-
    ing public lashing, or branding of the right hand, as pun-
    ishment . . . [e]ven if it could be demonstrated unequivo-
    16                 BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    cally that these were not cruel and unusual measures in
    1791.” Scalia, Originalism: The Lesser Evil, 57 U. Cin. L.
    Rev. 849, 861 (1989). The question is not, as JUSTICE
    THOMAS maintains, whether a punishment is deliberately
    inflicted to cause unnecessary pain, but rather whether we
    would today consider the punishment to cause excessive
    suffering.
    III
    Implicitly at the beginning of its opinion and explicitly
    at the end, the majority invokes the long delays that now
    typically occur between the time an offender is sentenced
    to death and his execution. Bucklew was arrested for the
    crime that led to his death sentence more than 20 years
    ago. And Bucklew’s case is not an anomaly. The average
    time between sentencing and execution approaches 18
    years and in some instances rises to more than 40 years.
    See Glossip, 576 U. S., at ___ (BREYER, J., dissenting) (slip
    op., at 18); Reynolds v. Florida, 
    586 U.S.
    ___, ___ (2018)
    (BREYER, J., statement respecting denial of certiorari) (slip
    op., at 2).
    I agree with the majority that these delays are exces-
    sive. Undue delays in death penalty cases frustrate the
    interests of the State and of surviving victims, who have
    “an important interest” in seeing justice done quickly.
    Hill, 547 U. S., at 584. Delays also exacerbate the suffer-
    ing that accompanies an execution itself. Glossip, 576
    U. S., at ___–___ (BREYER, J., dissenting) (slip op., at 19–
    23). Delays can “aggravate the cruelty of capital punish-
    ment” by subjecting the offender to years in solitary
    confinement, and delays also “undermine [capital
    punishment’s] jurisprudential rationale” by reducing its
    deterrent effect and retributive value. Id., at ___, ___ (slip
    op., at 28, 32).
    The majority responds to these delays by curtailing the
    constitutional guarantees afforded to prisoners like Buck-
    Cite as: 587 U. S. ____ (2019)           17
    BREYER, J., dissenting
    lew who have been sentenced to death. By adopting elabo-
    rate new rules regarding the need to show an alternative
    method of execution, the majority places unwarranted
    obstacles in the path of prisoners who assert that an exe-
    cution would subject them to cruel and unusual punish-
    ment. These obstacles in turn give rise to an unacceptable
    risk that Bucklew, or others in yet more difficult circum-
    stances, may be executed in violation of the Eighth
    Amendment. Given the rarity with which cases like this
    one will arise, an unfortunate irony of today’s decision is
    that the majority’s new rules are not even likely to im-
    prove the problems of delay at which they are directed.
    In support of the need to end delays in capital cases, the
    majority refers to Dunn v. Ray, 
    586 U.S.
    ___ (2019). In
    that case, the Court vacated a stay of execution on the
    ground that the prisoner brought his claim too late. The
    prisoner in that case, however, brought his claim only five
    days after he was notified of the policy he sought to chal-
    lenge. See id., at ___ (KAGAN, J., dissenting) (slip op., at
    3). And in the view of some of us, the prisoner’s claim—
    that prisoners of some faiths were entitled to have a min-
    ister present at their executions while prisoners of other
    faiths were not—raised a serious constitutional question.
    See id., at ___ (slip op., at 2) (characterizing the Court’s
    decision as “profoundly wrong”). And therein lies the
    problem. It might be possible to end delays by limiting
    constitutional protections for prisoners on death row. But
    to do so would require us to pay too high a constitutional
    price.
    Today’s majority appears to believe that because “[t]he
    Constitution allows capital punishment,” ante, at 8, the
    Constitution must allow capital punishment to occur
    quickly. In reaching that conclusion the majority echoes
    an argument expressed by the Court in Glossip, namely,
    that “because it is settled that capital punishment is
    constitutional, it necessarily follows that there must be a
    18                    BUCKLEW v. PRECYTHE
    BREYER, J., dissenting
    constitutional means of carrying it out.” 576 U. S., at ___
    (slip op., at 4) (emphasis added; alterations and internal
    quotation marks omitted).
    These conclusions do not follow. It may be that there is
    no way to execute a prisoner quickly while affording him
    the protections that our Constitution guarantees to those
    who have been singled out for our law’s most severe sanc-
    tion. And it may be that, as our Nation comes to place
    ever greater importance upon ensuring that we accurately
    identify, through procedurally fair methods, those who
    may lawfully be put to death, there simply is no constitu-
    tional way to implement the death penalty.
    I have elsewhere written about these problems. See id.,
    at ___–___ (BREYER, J., dissenting) (slip op., at 29–33).
    And I simply conclude here that the law entitles Bucklew
    to an opportunity to prove his claim at trial. I note, how-
    ever, that this case adds to the mounting evidence that we
    can either have a death penalty that avoids excessive
    delays and “arguably serves legitimate penological pur-
    poses,” or we can have a death penalty that “seeks reliabil-
    ity and fairness in the death penalty’s application” and
    avoids the infliction of cruel and unusual punishments.
    Id., at ___ (slip op., at 32). It may well be that we “cannot
    have both.” Ibid.
    *     *     *
    I respectfully dissent.
    Cite as: 587 U. S. ____ (2019)            1
    SOTOMAYOR, J., dissenting
    SUPREME COURT OF THE UNITED STATES
    _________________
    No. 17–8151
    _________________
    RUSSELL BUCKLEW, PETITIONER v. ANNE L.
    PRECYTHE, DIRECTOR, MISSOURI DEPARTMENT
    OF CORRECTIONS, ET AL.
    ON WRIT OF CERTIORARI TO THE UNITED STATES COURT OF
    APPEALS FOR THE EIGHTH CIRCUIT
    [April 1, 2019]
    JUSTICE SOTOMAYOR, dissenting.
    As I have maintained ever since the Court started down
    this wayward path in Glossip v. Gross, 
    576 U.S.
    ___
    (2015), there is no sound basis in the Constitution for
    requiring condemned inmates to identify an available
    means for their own executions. JUSTICE BREYER ably
    explains why today’s extension of Glossip’s alternative-
    method requirement is misguided (even on that prece-
    dent’s own terms), and why (with or without that re-
    quirement) a trial is needed to determine whether
    Missouri’s planned means of executing Russell Bucklew
    creates an intolerable risk of suffering in light of his rare
    medical condition. I join JUSTICE BREYER’s dissent, except
    for Part III. I write separately to address the troubling
    dicta with which the Court concludes its opinion.
    I
    Given the majority’s ominous words about late-arising
    death penalty litigation, ante, at 29–30, one might assume
    there is some legal question before us concerning delay.
    Make no mistake: There is not. The majority’s commen-
    tary on once and future stay applications is not only ines-
    sential but also wholly irrelevant to its resolution of any
    issue before us.
    2                  BUCKLEW v. PRECYTHE
    SOTOMAYOR, J., dissenting
    The majority seems to imply that this litigation has
    been no more than manipulation of the judicial process for
    the purpose of delaying Bucklew’s execution. Ante, at 29.
    When Bucklew commenced this case, however, there was
    nothing “settled,” ibid., about whether the interaction of
    Missouri’s lethal-injection protocol and his rare medical
    condition would be tolerable under the Eighth Amend-
    ment. At that time, Glossip had not yet been decided,
    much less extended to any as-applied challenge like Buck-
    lew’s. In granting prior stay requests in this case, we
    acted as necessary to ensure sufficient time for sober
    review of Bucklew’s claims. The majority laments those
    decisions, but there is nothing unusual—and certainly
    nothing untoward—about parties pressing, and courts
    giving full consideration to, potentially meritorious consti-
    tutional claims, even when those claims do not ultimately
    succeed.
    II
    I am especially troubled by the majority’s statement
    that “[l]ast-minute stays should be the extreme exception,”
    which could be read to intimate that late-occurring stay
    requests from capital prisoners should be reviewed with
    an especially jaundiced eye. See ante, at 30. Were those
    comments to be mistaken for a new governing standard,
    they would effect a radical reinvention of established law
    and the judicial role.
    Courts’ equitable discretion in handling stay requests is
    governed by well-established principles. See Nken v.
    Holder, 
    556 U.S. 418
    , 434 (2009). Courts examine the
    stay applicant’s likelihood of success on the merits,
    whether the applicant will suffer irreparable injury without
    a stay, whether other parties will suffer substantial injury
    from a stay, and public interest considerations. Ibid.
    It is equally well established that “[d]eath is a punish-
    ment different from all other sanctions in kind rather than
    Cite as: 587 U. S. ____ (2019)                    3
    SOTOMAYOR, J., dissenting
    degree.” Woodson v. North Carolina, 
    428 U.S. 280
    , 303–
    304 (1976). For that reason, the equities in a death penalty
    case will almost always favor the prisoner so long as he
    or she can show a reasonable probability of success on the
    merits. See Nken, 556 U. S., at 434 (noting that success
    on the merits and irreparable injury “are the most critical”
    factors); cf. Glossip, 576 U. S., at ___ (slip op., at 11) (ob-
    serving, in a preliminary-injunction posture, that “[t]he
    parties agree that this case turns on whether petitioners
    are able to establish a likelihood of success on the merits”
    and analyzing the case accordingly); accord, id., at ___
    (SOTOMAYOR, J., dissenting) (slip op., at 22). This accords
    with each court’s “ ‘duty to search for constitutional error
    with painstaking care’ ” in capital cases. Kyles v. Whitley,
    
    514 U.S. 419
    , 422 (1995).
    It is of course true that a court may deny relief when a
    party has “unnecessarily” delayed seeking it, Nelson v.
    Campbell, 
    541 U.S. 637
    , 649–650 (2004), and that courts
    should not grant equitable relief on clearly “ ‘dilatory,’ ”
    “ ‘speculative,’ ” or meritless grounds, ante, at 31 (quoting
    Hill v. McDonough, 
    547 U.S. 573
    , 584–585 (2006)); see
    also Gomez v. United States Dist. Court for Northern Dist.
    of Cal., 
    503 U.S. 653
    , 654 (1992) (per curiam) (vacating a
    stay where an inmate’s unjustified 10-year delay in bring-
    ing a claim was an “obvious attempt at manipulation”).
    That is hardly the same thing as treating late-arising
    claims as presumptively suspect.1
    ——————
    1 A skewed view of the facts caused the majority to misapply these
    principles and misuse its “equitable powers,” see ante, at 30, and n. 5,
    in vacating the Court of Appeals’ unanimous stay in Dunn v. Ray, 
    586 U.S.
    ___ (2019). Even today’s belated explanation from the majority
    rests on the mistaken premise that Domineque Ray could have figured
    out sooner that Alabama planned to deny his imam access to the
    execution chamber. But see id., at ___ (KAGAN, J., dissenting) (slip op.,
    at 3) (noting that the governing statute authorized both the inmate’s
    imam and the prison’s Christian chaplain to attend the execution, and
    that “the prison refused to give Ray a copy of its own practices and
    4                      BUCKLEW v. PRECYTHE
    SOTOMAYOR, J., dissenting
    The principles of federalism and finality that the major-
    ity invokes are already amply served by other constraints
    on our review of state judgments—most notably the Anti-
    terrorism and Effective Death Penalty Act of 1996, but
    also statutes of limitations and other standard filters for
    dilatory claims. We should not impose further constraints
    on judicial discretion in this area based on little more than
    our own policy impulses. Finality and federalism need no
    extra thumb on the scale from this Court, least of all with
    a human life at stake.
    The only sound approach is for courts to continue to
    afford each request for equitable relief a careful hearing
    on its own merits. That responsibility is never graver
    than when the litigation concerns an impending execution.
    See, e.g., Kyles, 514 U. S., at 422; Woodson, 428 U. S., at
    303–304. Meritorious claims can and do come to light
    even at the eleventh hour, and the cost of cursory review
    in such cases would be unacceptably high. See Glossip,
    576 U. S., at ___–___ (BREYER, J., dissenting) (slip op., at
    21–22) (collecting examples of inmates who came “within
    hours or days of execution before later being exonerated”).
    A delay, moreover, may be entirely beyond a prisoner’s
    control. Execution methods, for example, have been mov-
    ing targets subject to considerable secrecy in recent years,
    which means that constitutional concerns may surface
    only once a State settles on a procedure and communicates
    its choice to the prisoner.2 In other contexts, too, fortuity
    ——————
    procedures” that would have clarified the two clergymen’s degrees of
    access); Ray v. Commissioner, Ala. Dept. of Corrections, 
    915 F.3d 689
    ,
    701–703 (CA11 2019).
    2 See Zagorski v. Parker, 
    586 U.S.
    ___, ___–___ (2018) (SOTOMAYOR,
    J., dissenting from denial of application for stay and denial of certio-
    rari) (slip op., at 2–3) (describing Tennessee’s recent equivocation about
    the availability of its preferred lethal injection protocol); Glossip, 576
    U. S., at ___ (SOTOMAYOR, J., dissenting) (slip op., at 29) (noting States’
    “scramble” to formulate “new and untested” execution methods);
    Sepulvado v. Jindal, 
    739 F.3d 716
    , 717–718 (CA5 2013) (Dennis, J.,
    Cite as: 587 U. S. ____ (2019)                     5
    SOTOMAYOR, J., dissenting
    or the imminence of an execution may shake loose consti-
    tutionally significant information when time is short.3
    There are higher values than ensuring that executions
    run on time. If a death sentence or the manner in which it
    is carried out violates the Constitution, that stain can
    never come out. Our jurisprudence must remain one of
    vigilance and care, not one of dismissiveness.
    ——————
    dissenting from denial of rehearing en banc) (describing Louisiana’s
    refusal to inform a prisoner of the drugs that would be used to execute
    him); Denno, Lethal Injection Chaos Post-Baze, 102 Geo. L. J. 1331,
    1376–1380 (2014) (describing increased secrecy around execution
    procedures).
    3 See Connick v. Thompson, 
    563 U.S. 51
    , 55–56, and n. 1 (2011) (in-
    tentionally suppressed exculpatory crime lab report discovered a month
    before a scheduled execution); Ex parte Braziel, No. WR–72,186–01
    (Tex. Crim. App., Dec. 11, 2018), pp. 1–2 (Alcala, J., dissenting) (disclo-
    sure by the State of “new information about possible prosecutorial
    misconduct” the same day as an execution).
    

Document Info

Docket Number: 17-8151

Citation Numbers: 139 S. Ct. 1112, 203 L. Ed. 2d 521, 2019 U.S. LEXIS 2477

Judges: Neil Gorsuch

Filed Date: 4/1/2019

Precedential Status: Precedential

Modified Date: 1/13/2023

Authorities (28)

brooklyn-legal-services-corp-b-and-legal-services-for-new-york-city-on , 462 F.3d 219 ( 2006 )

Clemons v. Crawford , 585 F.3d 1119 ( 2009 )

Russell Bucklew v. Al Luebbers , 436 F.3d 1010 ( 2006 )

Nooner v. Norris , 594 F.3d 592 ( 2010 )

Ringo v. Lombardi , 677 F.3d 793 ( 2012 )

michael-anthony-taylor-v-larry-crawford-director-missouri-department-of , 487 F.3d 1072 ( 2007 )

Middleton v. Missouri Department of Corrections , 278 S.W.3d 193 ( 2009 )

Marks v. United States , 97 S. Ct. 990 ( 1977 )

In Re Kemmler , 10 S. Ct. 930 ( 1890 )

State v. Bucklew , 973 S.W.2d 83 ( 1998 )

Wilkerson v. Utah , 25 L. Ed. 345 ( 1879 )

United States v. Detroit Timber & Lumber Co. , 26 S. Ct. 282 ( 1906 )

Trop v. Dulles , 78 S. Ct. 590 ( 1958 )

Doe v. Reed , 130 S. Ct. 2811 ( 2010 )

Illinois v. Lidster , 124 S. Ct. 885 ( 2004 )

Nelson v. Campbell , 124 S. Ct. 2117 ( 2004 )

Hill v. McDonough , 126 S. Ct. 2096 ( 2006 )

Baze v. Rees , 128 S. Ct. 1520 ( 2008 )

Citizens United v. Federal Election Commission , 130 S. Ct. 876 ( 2010 )

Connick v. Thompson , 131 S. Ct. 1350 ( 2011 )

View All Authorities »

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