David Gunn received his bachelor's degree from Vanderbilt University in Nashville, Tennessee. He received his medical degree from the University of Kentucky. His residency brought him back to Nashville where he distinguished himself by becoming the chief resident at his hosptial.
Gunn became a specialist physician during his time in Nashville. When he completed his residency he realized that many small rural communities lacked reliable specialist services. To serve the public better, he dedicated himself to a roaming rural practice, traveling over 1000 miles per week. Dr. Gunn faithfully served small town patients in Alabama, Georgia, and Florida.
On March 10, 2003 David Gun was shot in the back three times at point blank range by a terroristassassin in Pensacola Florida. The murderer was then 31 year old Micheal Griffin, a religious fundamentalist. At trial, Griffin claimed to have been "brainwashed" by the leader of his terrorist cell; however, the jury returned a verdict of guilty. Griffin was sentenced to life imprisonment for first degree murder and is currently serving a life sentence in Blackwater River Correctional facility.