"Check the seal on your mask and the filters before going inside," said Gilmore. "When you feel like freaking out, take a breath and realize that you're not breathing in any CS gas. You should ...

and received gas through a face mask to help him breathe. The Vatican said on Saturday evening that the Pope had not suffered further breathing crises and had responded well to oxygen therapy.

A court in Louisiana ruled Jessie Hoffman can be put to death Tuesday using nitrogen hypoxia - deprivation of oxygen causing ...

Louisiana has carried out its first nitrogen hypoxia execution and its first execution in 15 years, killing Jessie Hoffman Jr ...

In the hours leading up to Louisiana's first nitrogen gas execution, attorneys for the inmate are hoping for a last-minute ...

Death row inmate Jessie Hoffman's attorneys have been arguing that he shouldn't be executed by the controversial and largely ...

Jessie Hoffman Jr., who was convicted in a 1996 murder, has argued the method of nitrogen hypoxia would violate his ability ...

A convicted murderer and Louisiana death row inmate had his appeal denied hours before he is set to be executed by nitrogen ...