ROANOKE COUNTY, Va. (WSET) – The man who officials believe is responsible for a double murder in Roanoke County has been found dead by suicide, according to police. The Roanoke County Police Department said they first responded early Monday morning to Pitzer Road, where they found two bodies. RCPD said they were identified as 42-year-oldAmanda Rae Robertson and 58-year-old Robert Michael Jackson.