Alabama will attempt to put an inmate to death with nitrogen gas on Thursday night, a never-before-used execution method that the state claims will be humane but critics call cruel and experimental.Kenneth Eugene Smith, a 58-year-old convicted killer whose 2022 lethal injection was called off at the last minute because authorities could not connect an IV line, is scheduled to be executed at an Alabama prison.Alabama plans to put an industrial-type respirator mask over Smith's face and replace hi

Alabama will attempt to put an inmate to death with nitrogen gas on Thursday night, a never-before-used execution method that the state claims will be humane but critics call cruel and experimental.Kenneth Eugene Smith, a 58-year-old convicted killer whose 2022 lethal injection was called off at the last minute because authorities could not connect an IV line, is scheduled to be executed at an Alabama prison.Alabama plans to put an industrial-type respirator mask over Smith's face and replace his breathing air with pure nitrogen gas, causing him to die from lack of oxygen.