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

COPS are hunting for a “masked man” who reportedly released gas on trams full of passengers. Tram users were left scared ...

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 ...

Jessie Hoffman Jr., 46, was declared dead shortly after 7 p.m. after he inhaled the lethal gas through a fitted full-faced ...

Louisiana's mask is a full-face respirator similar to those often used by painters and sandblasters. Since nitrogen gas was first used to execute Kenneth Smith in Alabama, fervent debate has ...