If nitrogen hypoxia is used, an inmate breathes 100 percent nitrogen, which causes suffocation. Louisiana is one of four states that have approved it for executions.

Whether you are adding LN2 dosing to your filling line, or updating your existing unit, here are key items to consider in ...

Frazier in his final words criticized Michigan Gov. Gretchen Whitmer for not returning him to serve out a previous life ...

Frazier was convicted of capital murder for breaking into a Birmingham woman's apartment, stealing cash, raping her at ...

An man convicted of murdering a woman after breaking into her apartment as she slept was put to death Thursday evening in Alabama in the nation’s fourth execution using ...

Alabama became the first state to carry out executions with nitrogen gas when three inmates were put to death using the ...

A serial rapist and murderer was put to death by nitrogen gas in Alabama on Thursday, the fourth use of the controversial ...