One incident involved an 'elevated level' of nitrogen gas, which can cause asphyxiation, at the plant’s Magnox facility. The ...

A man convicted of murdering a convenience store clerk during a 1997 robbery is set to be executed by nitrogen gas in Alabama ...

Alabama has scheduled a September execution with nitrogen gas for a man convicted of killing a gas station attendant during a ...

A man who killed a store clerk during a robbery at an Alabama convenience store in 1997 now knows when he will put to ...

An Alabama man who has spent nearly three decades on death row will soon be executed for the 1997 murder of a gas station ...

Experts have denounced Alabama's planned execution of a death row inmate by nitrogen hypoxia — an untested suffocation method that they say could cause "grave suffering." ...

Origins of the nitrogen gas execution plan. Smith's execution, if it is conducted as scheduled on Jan. 25, represents the most notable step forward in the strange journey of a new method devised ...

Alabama inmate Kenneth Smith was put to death Thursday night by nitrogen hypoxia, marking the nation’s first known execution using that method. Now Alabama’s attorney general wants to help ...

The nitrogen gas will be administered for at least 15 minutes or “five minutes following a flatline indication on the EKG, whichever is longer,” according to the state protocol.

Alabama intends to carry out the first known execution by nitrogen gas this week, when it’s scheduled to put to death Kenneth Smith some 14 months after failing to carry out his capital ...

He chose nitrogen gas after a previous attempt at a lethal injection failed. He was executed Jan. 25 after a lengthy legal battle. Smith's execution received international criticism.

Alabama inmate David Phillip Wilson filed a lawsuit similar to Hoffman's last month claiming the state’s plan to execute him using nitrogen gas violates the Constitution’s prohibition of cruel ...