A fourth suspect has been arrested in connection with a fatal double shooting in Walnut Hill in Escambia County Florida earlier this month. Two men were found shot in the head near Atmore, Alabama. Dalton Davis was found dead in a truck in Brushy Creek on Deere Creek Road. Troy Boutwell survived and was found near the road after crawling from the truck. 37-year old Christopher Alan Stacey, was charged with homicide and attempted homicide. His son Christopher, 18, and Alexis Cain, 21, were each charged with accessory to homicide and accessory to attempted homicide. Now 30-year-old Jessica Thomas, is charged with accessory after the fact to homicide and attempted homicide for acting as a lookout. She is being held with bond set at a half-million dollars.