Alabama requests date to use nitrogen hypoxia for an execution for the 1st time

Alabama’s attorney general is asking the state’s supreme court to allow the first-ever use of nitrogen hypoxia, a controversial and untested method, in an execution.

In a Friday court filing, Attorney General Steve Marshall requested the court to authorize a date for the execution of Kenneth Eugene Smith, who was convicted in 1996 in a murder for hire.

Smith’s execution was previously scheduled for Nov. 17, 2022. However, he had opposed being executed by lethal injection, and petitioned in court for nitrogen hypoxia to be used instead.

Nitrogen hypoxia is a form of inert gas asphyxiation, in which a person is forced to breathe pure nitrogen until they die. While nitrogen makes up about 78% of the air in Earth’s atmosphere, it must be mixed with sufficient amounts of oxygen for people to breathe it.

Back in November, the U.S. Supreme Court had overruled a stay of execution for Smith, and granted the state the ability to use lethal injection. But corrections officers could not complete the execution before the death warrant expired, due to problems inserting an IV into Smith’s veins.

So the Supreme Court ruled in May that Smith’s execution could go forth with nitrogen hypoxia.

“It is a travesty that Kenneth Smith has been able to avoid his death sentence for nearly 35 years after being convicted of the heinous murder-for-hire slaying of an innocent woman, Elizabeth Sennett,” Marshall said in a statement about the execution date request.

Smith’s attorney, Robert Grass, said he had no statement at this time.

Alabama would be the first state to perform an execution using nitrogen hypoxia. Two other states, Oklahoma and Mississippi, have approved the method for executions, but it still has not been used.

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