It was the fifth time nitrogen gas was used in the U.S. after four executions by the same method — all in Alabama.

On April 24, in the state of Alabama, an execution will be carried out on James Osgood. "A couple of years ago I really screwed up. I’m guilty and I deserve death. That’s what I want," the man said. In 2010,

Louisiana used nitrogen gas to put Jessie Hoffman Jr., 46, to death Tuesday evening in the state's first execution in 15 years. Nitrogen gas has been used just four other times to execute a person in the United States — all in Alabama, the only other state with a protocol for the method.