Update at 11:21 p.m. ET. 'Defiant Until The End':
Jon Lewis, of WSB Radio, who was one of the media witnesses, said Troy Davis was "defiant until the end," maintaing his innocence in his final minutes. The execution started at 10:53 p.m. Davis was asked if he had any final words.
Davis lifted his head up from the gurney and said he wanted to talk to the family of the victim.
"The incident that night was not my fault," he told MacPhail's family. "Look deeper into this case to find the truth."