Jonathan Dover is a veteran law enforcement officer. The national Park service, Navajo historic Preservation Department, and the Navajo Nations Rangers. He retired from active duty as a lieutenant in 2011 after 31 years. Jonathan Dover attended a 6-month Navajo Nation Police Academy and graduated with the Markmanship award, the Academic Achievement award, and the Outstanding Cadet award. He further trained at the Federal law Enforcement training center (FLETC) in criminal investigations. Jonathan Dover has over 4,000 hours of law enforcement and weapons training.

The Navajo Nation Rangers are tasked with the Natural Resource Law Enforcement in the areas of Forestry, Fish and wildlife, Mines, Minerals, Parks and Recreation areas, Archeology, Cultural Resources, Agriculture, Police work, and Search and Rescue.

Dolphin Dover was trained as a specialist and Archaeological Resource Crimes Investigations and was one of the only two persons doing those investigations in the Western United States. He was also trained as a licensed EMT-basic, in SWAT tactical operations, Hazardous materials operational first responder, Search and Rescue, Technical accident investigation, computer forensics, and was an instructor in Police Firearms training and High Angle Technical Rescue. He was the Co-Commander of the Ranger Tactical team and an adjunct instructor for several classes at Gunfight Academy