Boyd v. Hamm
The Court allowed Alabama to proceed with executing Anthony Boyd by nitrogen gas, refusing to pause the execution while Boyd's legal challenge played out.
Three justices dissented in stark terms, arguing that documented accounts of prior nitrogen-gas executions — in which prisoners convulsed and appeared to suffocate consciously for minutes — showed the method crossed the Constitution's line against cruel and unusual punishment.
How it got here: Boyd lost his Eighth Amendment challenge in federal district court; the Eleventh Circuit denied a stay; Boyd then applied to the Supreme Court for an emergency halt to the execution.
The Case in Depth
What happened
Anthony Boyd was on Alabama's death row and scheduled to be executed using nitrogen hypoxia — a method in which pure nitrogen gas is pumped into the prisoner's lungs, displacing oxygen. Boyd argued that this process leaves prisoners consciously suffocating for two to seven minutes, causing intense psychological terror, and asked to be executed by firing squad instead, which evidence showed would render him unconscious in three to six seconds. Alabama refused, and he sought emergency relief from the Supreme Court.
The question before the Court
Should the Supreme Court have paused Alabama's execution of Anthony Boyd so he could pursue his claim that death by nitrogen gas is unconstitutionally cruel, given that he requested the quicker alternative of a firing squad?
The Court's answer
No — the Court declined to pause Boyd's execution and refused to take up his appeal, issuing a brief order with no explanation from the majority. Three justices dissented, arguing the Court should have intervened.
Because the majority provided no written reasoning, this order does not explain why six justices found the case unworthy of emergency review. Denying a stay and refusing to hear an appeal is not the same as ruling that nitrogen hypoxia is constitutional — it means the majority chose not to step in at this stage of Boyd's legal fight.
Curious how the Court got there? See the step-by-step legal reasoning →
Why it matters
Alabama and other states using nitrogen hypoxia as an execution method face no immediate Supreme Court intervention. Condemned prisoners who object to the method must fight through lower courts without guaranteed review. At least seven people have now been executed by nitrogen gas despite ongoing documented evidence of prolonged convulsions and apparent conscious suffering during the process.
What changes now
The execution of Anthony Boyd proceeded after the Court denied the emergency stay. His case is now moot as an individual matter. The broader constitutional question — whether nitrogen hypoxia violates the Eighth Amendment — remains unresolved at the Supreme Court level. Future condemned prisoners in Alabama and other states using the method may continue to bring similar challenges in lower courts, but this order provides no Supreme Court guidance either way.
What this does not decide
The denial does not decide whether nitrogen hypoxia executions are constitutional. It does not foreclose future Eighth Amendment challenges to the method by other prisoners, and it does not address the merits of the legal standard the lower courts applied.
Concurrences and dissents
Dissent — Justice Sotomayor
Justice Sotomayor argued that documented accounts from seven prior nitrogen-gas executions — featuring violent convulsions, gasping, and apparent consciousness for minutes — showed the method subjects prisoners to unconstitutional suffering. She contended the lower courts misapplied the governing Bucklew standard by equating ordinary pre-execution anxiety with the unique terror of conscious suffocation, and by ignoring the vast difference in duration between the two methods. She would have granted a stay and heard Boyd's Eighth Amendment claim.
How the Court got there
The legal reasoning, step by step
- The governing test for challenging an execution method under the Eighth Amendment — the constitutional ban on cruel and unusual punishment — comes from Bucklew v. Precythe (2019). Under that test, a prisoner must identify a feasible and readily available alternative method that would significantly reduce a substantial risk of severe pain, and show the state has refused to adopt it without a legitimate reason.
- The dissent argued that Bucklew covers psychological suffering as well as physical pain. The Eighth Amendment has long recognized that cruelty to the mind counts alongside cruelty to the body — a form of punishment can be 'cruel' if it causes pain 'in body or mind.'
- Both sides' experts at trial agreed that a person being executed by nitrogen hypoxia experiences severe psychological suffering — a conscious, primal urge to breathe while knowing that breathing will cause death — for at least two minutes and potentially up to seven minutes after the gas starts flowing.
- The dissent argued the lower courts made a legal error: they treated ordinary pre-execution anxiety as equivalent to the unique, additional terror that nitrogen hypoxia superadds once the gas begins. Under the district court's own findings, this execution-specific period of conscious suffocation lasts up to 140 times longer than the three-to-six seconds a firing squad would take to render someone unconscious.
- Because the firing squad was found 'feasible' and 'readily implementable' by the district court, and because nitrogen hypoxia risked extending the period of conscious terror by orders of magnitude, the dissent concluded Boyd more than satisfied Bucklew's standard and that the Court should have granted a stay to allow full review of his Eighth Amendment claim.
Doctrinal impact
Cases affected by this decision
Distinguishes Bucklew v. Precythe (587 U. S. 119)
The dissent argues the lower courts misapplied Bucklew's test by failing to account for nitrogen hypoxia's unique psychological terror.