David Guggenheim wrote the 2012 Denzel Washington hit "Safe House" for Universal and the Nicolas Cage thriller "Stolen" for Millennium. He also penned the sci-fi adventure film "364"; the action film "Narco Sub", which was to have been the late Tony Scott s next feature film; and "Puzzle Palace", a contained thriller for Summit Entertainment. His most recent spec script, "Black Box", sold to Universal. "Weaponized" is his first novel. He lives in New York with his wife and two children.