Craig Roberts served 27 years with the Tulsa Police Department in several assignments from SWAT to Helicopter Pilot and Patrol Officer, including two years as a bomb tech on the Bomb Squad. He also is a US Marine Vietnam veteran, and later held a dual career in the Army National Guard and the Army Reserve, retiring in 2006 as a Lieutenant Colonel (Infantry and Intelligence). He is the author or co-author of over a dozen books including "One Shot--One Kill: America's Combat Snipers", "Crosshairs on the Kill Zone", "Police Sniper", "JFK: The Dead Witnesses", "The Medusa File: Crimes and Coverups of the US Government", "Kill Zone: A Sniper Looks at Dealey Plaza" and "Combat Medic: Vietnam" to name a few. He is an NRA Certified Instructor for rifle, pistol, shotgun, personal protection, home firearm safety and is a Chief Range Safety Officer. He currently resides in Oklahoma and is the Chief Instructor at Cedar Creek Range.