Supreme Court halts Alabama nitrogen execution after lower courts rule method unconstitutional

By 
, June 14, 2026

The Supreme Court on Thursday blocked Alabama from executing Jeffery Lee by nitrogen hypoxia, siding with lower federal courts that found the method poses a substantial risk of severe pain beyond death itself. The unsigned order came without explanation from the majority, a move that left three conservative justices publicly dissenting and Alabama's governor pledging to continue pursuing the death sentence.

Lee was convicted of capital murder in 1998 for killing Jimmy Ellis and Elaine Thompson during a pawnshop robbery in Orrville, Alabama. He has sat on death row for more than a quarter century. And now, after a federal district court ruled this week that nitrogen hypoxia violates the Eighth Amendment's ban on cruel and unusual punishment, the highest court in the land has, for the moment, taken Alabama's chosen execution method off the table.

The ruling marks a sharp departure from the Court's recent handling of Alabama's nitrogen gas protocol. The state has executed seven people using nitrogen hypoxia, and in October the Court denied without explanation a request from another Alabama inmate, Anthony Boyd, to halt his execution by the same method. Three liberal justices dissented in Boyd's case. This time, the outcome flipped.

Three conservative justices would have let Alabama proceed

Justices Clarence Thomas, Samuel Alito, and Neil Gorsuch stated they would have granted Alabama's emergency request and allowed the execution to go forward. The majority offered no written reasoning, a silence that raises its own questions about which justices crossed over and why.

The case arrived at the Supreme Court after Alabama asked the justices to throw out a federal district court decision barring the nitrogen gas execution. A federal appeals court in Atlanta had already concluded that Alabama's protocol presented what it called "a substantial risk of serious harm, severe pain over and above death itself."

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That language matters. Under existing Eighth Amendment precedent, an inmate challenging a method of execution must show not only that the method creates a serious risk of harm but also that a feasible, less painful alternative exists. The lower federal court found that Alabama could feasibly execute Lee by firing squad, a method Lee himself requested, and that doing so would significantly reduce the risk of harm.

A death sentence the jury never wanted

Lee's case carries an additional wrinkle that separates it from a straightforward capital-punishment dispute. The jury that convicted him of capital murder recommended life imprisonment, not death. A trial judge overrode that recommendation and imposed the death sentence anyway.

Alabama repealed its judicial override procedure in 2017, acknowledging the obvious tension between the practice and any meaningful concept of jury authority. But the repeal did not apply retroactively. Lee remains sentenced to die under a rule the state itself abandoned.

That fact does not make Lee innocent. He was convicted of killing two people during an armed robbery. But it does mean the state is fighting to carry out a sentence its own legislature later decided judges should not have the unilateral power to impose.

Sotomayor's dissent, from the other direction

Justice Sonia Sotomayor, joined by Justices Elena Kagan and Ketanji Brown Jackson, wrote a separate opinion, not dissenting from the outcome, but from the Court's earlier decision in the Boyd case, where the same method was allowed to proceed. Sotomayor described the experience of nitrogen hypoxia execution in blunt terms:

"Now imagine for that entire time, you are suffocating. You want to breathe; you have to breathe. But you are strapped to a gurney with a mask on your face pumping your lungs with nitrogen gas. Your mind knows that the gas will kill you. But your body keeps telling you to breathe."

That passage reads more like advocacy than jurisprudence. But the underlying factual finding, that nitrogen hypoxia carries a documented risk of prolonged suffering, came not from Sotomayor but from the federal trial court and the appeals court in Atlanta, both of which reviewed the evidence and reached the same conclusion.

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Alabama's emergency docket gambit

Steve Vladeck, a Georgetown University Law Center professor and CNN Supreme Court analyst, argued in a brief to the Court that Alabama's request amounted to an improper expansion of the emergency docket. Vladeck wrote that the Court had other tools available if it wanted to take up the merits of Alabama's nitrogen hypoxia protocol.

"This court has numerous options at its disposal if it wishes to take up Alabama's appeal on the merits."

Granting Alabama's emergency request, Vladeck argued, "isn't, and shouldn't be, one of them."

The distinction matters. Emergency orders bypass full briefing, oral argument, and the deliberative process that gives Supreme Court rulings their weight. Alabama was asking the Court to greenlight an execution on an expedited timeline, overriding two lower courts that had reviewed the factual record and found the method constitutionally deficient.

What comes next

Thursday's order does not end the case. It does not foreclose Alabama from attempting to execute Lee by another method, including the firing squad that the lower court identified as a feasible alternative. And it does not settle the broader constitutional question of whether nitrogen hypoxia violates the Eighth Amendment. That question could still reach the Court through the regular merits docket.

Alabama Gov. Kay Ivey expressed disappointment with the ruling but signaled the state would not relent. "I remain committed to ensuring that justice is ultimately served for his victims," Ivey said in a statement.

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For the families of Jimmy Ellis and Elaine Thompson, killed in a pawnshop in Orrville twenty-seven years ago, justice remains deferred. The conviction stands. The sentence stands. But the method, the timeline, and the legal path forward are all in question.

The real problem the Court won't address

Conservative supporters of the death penalty should be clear-eyed about what happened here. The Supreme Court did not rule that Jeffery Lee should go free. It did not vacate his conviction or his death sentence. It blocked one method of carrying out that sentence after two federal courts found the method causes unnecessary suffering, and after the inmate himself offered an alternative the lower court deemed feasible.

The deeper issue is procedural. Alabama asked the Supreme Court to short-circuit the normal appellate process and override factual findings from courts that actually reviewed the evidence. Three justices were willing to do so. The majority was not. Whatever one thinks of nitrogen hypoxia, the emergency docket is a poor vehicle for resolving factual disputes about whether a method of execution inflicts unconstitutional pain.

If Alabama wants to execute Jeffery Lee, and the state has every right to pursue the sentence its courts imposed, it should pick a method that can survive judicial review, brief the case properly, and stop asking the Supreme Court to do its homework on a rush deadline. Justice for two murder victims should not depend on procedural shortcuts.

The families of Jimmy Ellis and Elaine Thompson have waited twenty-seven years. They deserve a resolution that holds up, not one that gets thrown out on appeal because the state couldn't be bothered to get the process right.

" A free people [claim] their rights, as derived from the laws of nature."
Thomas Jefferson