Louisiana plans to use nitrogen gas to execute death row inmate Jessie Hoffman next week. Here's what to know about the ...

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

Designed by digital artist Milen Ivanov, known for his work in video game vehicle design ... Two military-grade gas masks are included to protect against chemical warfare, tear gas and other ...

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.

“The mask is a continuous-flow, full face, supplied air respirator with head straps," the protocol states. Prison officials will turn on the nitrogen hypoxia system and either allow the gas to ...

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 ...

A sign hanging above the doors to the gas chamber reads, "Even the brave cry here." A dozen at a time, Marines are ushered into a small, dark, brick room. A thick haze of o-Chlorobenzylidene ...