Craig Roberts was a US Marine infantryman and sniper in Vietnam in 1965-66 with the famous 9th Marine Regiment. He is a career police officer, having served in the Patrol Division, Bomb Squad, TAC (SWAT) Team, Fugitive Squad, and as a police helicopter pilot in the Air Support Unit. He served as a SWAT sniper, and now teaches law enforcement and military sniper courses. He is an NRA certified Pistol, Rifle, and Shotgun instructor, and is the author or co-author of ten books, both fiction and non-fiction including "One Shot--One Kill: America's Combat Snipers," "Police Sniper," "Crosshairs on the Kill Zone: A Sniper Looks at Dealey Plaza," JFK: The Dead Witnesses," "The Walking Dead: A Marine's Story of Vietnam," "The Medusa File," JFK: The Dead Witnesses", "Combat Medic Vietnam", "Desert Storm", "Doorway to Hell: Disaster in Somalia", "The Hind Heist," "Hellhound" and others. He resides in Oklahoma and is the Chief Range Officer for Cedar Creek Range and Firearms Training Team.