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.
Kenneth Smith becomes 1st person in US to be executed by nitrogen
The state of Alabama is set to carry out the first U.S. execution
First-ever execution by nitrogen gas set to happen in the U.S.
UN experts sound alarm over planned first US execution by nitrogen
EU, UN Human Rights Office express regret over execution of a man
What to know about Thomas Eugene Creech's execution
Lawsuit: Alabama's plan for nation's first execution by nitrogen
Alabama carries out first known execution with nitrogen gas in the
Alabama seeks to carry out second execution using controversial
What Could Happen in 1st Nitrogen Execution in the U.S.
First nitrogen execution was a 'botched' human experiment, Alabama
Alabama Nitrogen Execution: He Held His Breath 'As Long As He
What happened at the nation's first nitrogen gas execution: An AP
Walking into a house of horrors': Kenneth Smith's spiritual
Supreme court declines to halt first US nitrogen-gas execution in