Carey Dale Grayson [AP Photo/Alabama Department of Corrections] The latest victim of the grisly execution method was ...

Carey Dale Grayson, who was convicted for the 1994 murder of hitchhiker Vickie Deblieux, became the third person to be put to ...

He flatlined after about 10 minutes. Grayson had been sentenced to death for the brutal 1994 murder of 37-year-old Vicki ...

Alabama has so far been the only state to execute inmates with nitrogen hypoxia, but two other states allow it as a method of ...

Carey Dale Grayson made an expletive outburst and then took several minutes to die in Alabama as he was seen gasping for ...

Strapped to a gurney with a blue-rimmed gas mask on his face, Carey Dale Grayson shook at times and took a series of gasping ...

UN experts have called for 'an urgent ban' on the execution method, stating it's 'clearly prohibited under international law' ...

Carey Dale Grayson, 50, was put to death on Thursday in Alabama's third execution using nitrogen gas - he requested a luxury ...

Carey Dale Grayson was the state’s third execution using nitrogen gas for his role in the 1994 murder of Vickie DeBlieux.

A Death Row prisoner was executed in a grim method compared to ... Holman Correctional facility in Alabama, US, becoming only ...