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.

Grayson was convicted with three other men for the brutal slaying and mutilation of 37-year-old Vicki Lynn Deblieux.