First nitrogen gas execution in US has happened, but did it go as expected? - ABC News
The Alabama attorney general says he believes more nitrogen gas executions will occur after Kenneth Smith became the first person in the U.S. to be executed that way.
Kenneth Smith, 58, became the first American to be executed by nitrogen gas.
Alabama Attorney General Steve Marshall discusses the execution of Kenneth Eugene Smith.
Alabama plans to execute a man using nitrogen gas. How will it
Alabama Attorney General calls nitrogen execution 'textbook' amid
Video 1st nitrogen gas execution authorized - ABC News
Alabama carries out nation's first known execution with nitrogen
Report: Belief death penalty is applied unfairly shows capital
TalkAboutIt: US considers using gas for executions following
Alabama Execution, Nitrogen Gas Execution
Alabama set to carry out first execution by nitrogen gas
Inmate Kenneth Smith slammed first-ever nitrogen gas execution as
First-ever execution by nitrogen gas set to happen in the U.S.