Tucson police have arrested the roommate of a 56-year-old man whose body was found in his apartment.  Sergeant Pet Dugan with Tucson Police says 21-year-old Mathew Mooney, who was already in the Pima County Jail on an unrelated charges, is now facing a first degree murder charge for the death of

Darl Draper. Dugan says detectives have determined the cause of death was blunt force trauma, but they have not determined a motive. The investigation is ongoing.

Kris Dugan