Louisiana plans to use nitrogen gas to execute death row inmate Jessie Hoffman next week. Here's what to know about the method and why its controversial.

Louisiana is scheduled to execute a man with nitrogen gas on March 18. Arkansas lawmakers are seeking to introduce nitrogen there after an eight-year pause in executions.

Arkansas lawmakers advanced legislation to authorize nitrogen gas as an execution method. Supporters say it will allow executions to resume in a state that hasn’t put anyone to death since it executed four inmates in 2017.

Louisiana's nitrogen gas execution protocol hasn't been released to the public. "It relates to the most solemn … government action that the government can take, which is to take somebody’s life," said the lawyer for Jessie Hoffman,

Appeals court says Louisiana can carry out the state’s first nitrogen gas execution next week - Louisiana’s first execution using nitrogen gas is set to move forward as planned after a federal appeals

The Supreme Court has ruled that convicted killer and rapist Jessie Hoffman's execution using nitrogen gas can proceed as scheduled, despite arguments from his lawyers that it violates his protection against cruel and unusual punishment.