Alan Eugene Miller, who was convicted of killing three people in back-to-back workplace shootings, was executed with nitrogen gas at a south Alabama prison on Thursday.
Miller, 59, was pronounced dead at 6:38 p.m. local time.
Miller was found guilty of the 1999 murders of his then-coworkers Lee Holdbrooks, Christoper Scott Yancy, and Terry Lee Jarvis.
“I didn’t do anything to be in here,” Miller said in his final words that were at times muffled by the blue-rimmed gas mask that covered his face from forehead to chin. However, witnesses at the trial had expressed no doubt about his guilt, describing Miller shooting the three men….