Alabama has carried out the nation’s 4th nitrogen gas execution, putting a man to death for the killing of a woman who was ...

Alabama carried out three executions by nitrogen asphyxiation last year and is the only US state currently using the method. Other US states use lethal injection. The execution is performed by pumping ...

An Alabama inmate convicted of murdering a woman after breaking into her apartment as she slept was put to death Thursday evening in the nation’s fourth execution using nitrogen gas.