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.

Ruck marches, never short on pain and misery, become even worse when you combine Arizona’s high temperatures with gas masks and full packs. The photo, posted to the military’s imagery and ...

Lawyers for Jessie Hoffman Jr. argued that using nitrogen hypoxia to put him to death would violate his constitutional rights ...

Under the protocol, the subject is strapped to a gurney, forced to breathe pure nitrogen gas through a mask placed on their face, depriving them of oxygen.

to experience its effects and to know how to properly use a gas mask. SSgt Antonio Garay: Gas chamber's important because it builds confidence. Confidence in the gear, confidence in the drill ...

When Louisiana carries out the execution of Jessie Hoffman on March 18, he will be strapped to a gurney, fitted with a gas mask and forced to breathe in nitrogen gas until his heart stops.