- An eyewitness account of what happened at the nation’s 1st nitrogen gas executionPBS NewsHour
- First nitrogen gas execution in US has happened, but did it go as expected?ABC News
- Alabama AG calls first nitrogen gas execution ‘textbook,’ but witnesses say inmate thrashed in final momentsYahoo News
- Four minutes of convulsions: Kenneth Smith executed with nitrogen gasMontgomery Advertiser
- Alabama attorney general discusses the execution of Kenneth SmithWSFA