Grayson was one of four teenagers convicted of capital murder in the torture, bludgeoning and mutilation of Vickie Lynn Deblieux on Feb. 21, 1994.

Grayson’s three accomplices managed to escape execution because they were under 18 at the time of Deblieux’s murder

Prison officials in Alabama have executed convicted murderer Carey Dale Grayson, marking the state's sixth death sentence and third using the nitrogen gas method so far this year.