( CNN ) -- Authorities early Friday captured a man accused of killing his mother and stepfather who escaped from a South Carolina mental health facility . Jason Mark Carter , 39 , was committed after he was found incompetent to stand trial in the killings eight years ago . Carter escaped the mental institution about 10 a.m. Thursday , apparently stealing a van from a state hospital , authorities said . He later purchased a Chevrolet Lumina , and South Carolina authorities pinged his cell phone as he was traveling on Interstate 40 in Tennessee , the Tennessee Highway Patrol said in a prepared statement . Shortly before 7 a.m. , a trooper saw Carter 's car outside a hotel , where he was taken into custody without incident . CNN affiliate WISTV reported that Carter worked at a supply office on the hospital campus . Before his capture , we was thought to be traveling in a stolen 1991 White Chevrolet van , the Oconee County , South Carolina , Sheriff 's Office said in a prepared statement . In March 2006 , deputies went for a welfare check at a home in Seneca and found the bodies of Kevin and Debra Ann Perkins in a room in the basement , the Sheriff 's Office said . Carter was in the room with the victims , who were wrapped in plastic bags , according to officials . At his trial , his attorney said Carter had no recollection of the crime , the affiliate said . CNN 's Jennifer Moore contributed to this report .
NEW : Escapee from a Tennessee mental institution is arrested in South Carolina . NEW : Police say a trooper saw Carter car at a hotel , and he was arrested . Police say Jason Mark Carter 's , March 2006 , was committed after he was found incompetent to stand trial .