A third man has been charged with murder in Oconee County, and the Sheriff’s Office investigation into the death of Richard Alan Marszalek continues. The latest to be charged and jailed is Zack Daniel Patterson, a 23-year old resident of W. Pine Grove Road. Investigators believe 61-year old Marszalek was killed during an altercation sometime between December 27 and 29. A coroner’s autopsy showed blunt force trauma to the head, but a weapon was not identified at the time of the January 19 autopsy. Previously charged with murder were Joshua Michael Fulbright and Patrick Grant Covone.