Mario Marchman retired as a sergeant with the Glendale, CA., Police Department with over thirty years of service. His duties included Patrol, Narcotics Investigator, and Supervisor of various details such as Vice Narcotics, Special Enforcement, Gangs, and SWAT. After retirement he became the Primary Firearms Instructor for the Police Department for nine years responsible for all In-service Training for Firearms as well as certain Less-lethal Applications. He was appointed as an Instructor at Gunsite by Colonel Jeff Cooper in 1990 and teaches Pistol, Rifle, Carbine and Shotgun. Mario is an avid Rifleman and Hunter with North American, South American and African Safari experience.