Gwinnett media sources reported on June 25, 2011that Duluth Police Department terminated Cpl. Dan Diamond for his May 5th, 2011 Gwinnett County DUI arrest. Cpl. Diamond was driving his vehicle, a Dodge Ram 3500 when he ran off the road and struck three trees. After police arrived they notice an odor of alcohol, slurred speech, red and glassy eyes. He was arrested for DUI. Cpl. Diamond refused to give a state-administered test of his breath on the Intoxilyzer 5000.