A New Trial Has Been Granted To One Of Two Women Convicted In The Murder Of A Mountain City Couple In The So-Called Facebook Killings In Johnson County. 69-Year-Old Barbara Potter Has Been Serving Two Life Sentences In The 2012 Shooting Deaths Of Billy Payne And Billie Hayworth. Potter’S Husband, Marvin, Testified During Her Post-Conviction Hearing That He Was The One Who Did The Killings. The Case Was Called The Facebook Murders Because Potter’S Daughter, Jenelle Was Unfriended By Payne And Hayworth On The Social Media Site. Jenelle Is Also Serving Two Life Sentences For The Crime.