Passed on Tuesday, July 28, 2015 at the Anne Arundel Medical Center. He was a Vietnam Veteran who earned two Purple Hearts. He retired from the District of Columbia Metropolitan Police Force. He is survived by his beloved wife Barbara Davis of Odenton, MD, his son Jason Davis and his wife Michelle of Odenton, MD, his daughter Holly Hagen and her husband Chad of Chesapeake Beach, MD, and his brother Robert Davis of Englewood, FL. He was Grandpop to Hannah, Kyle, Rocco, Piper, and Scarlett. Dean was predeceased by his sister Norma Perry of Englewood, FL. A Memorial Gathering will be held at the family-owned BEALL FUNERAL HOME, 6512 NW Crain Hwy. (Rte. 3 South), Bowie, MD on Friday, July 31, 2015 from 1 to 4 p.m. Interment will be in Arlington National Cemetery at a later date. Please view and sign the family's guestbook at: www.beallfuneral.com