Grover Prewitt Jr. is charged with being an accessory to first-degree murder after the fact. He is accused of helping his mother, Ida Prewitt, and other family members conceal the bodies of Wendy Camp, Cynthia Britto and Lisa Kregear in 1992. He pleaded not guilty through his attorney in a court appearance Friday. Ida Prewitt died in 2011. No one has been charged directly in the deaths.