On season 48 of “Survivor,” fan favorite contestant Joe Hunter had an emotional moment on the beach, remembering his sister Joanna, whose death in 2011 was ruled a suicide. But Hunter believes she was murdered by her husband, Mark Lewis, who he says then “staged” the scene. Natalie Morales investigates Joanna’s death — including confronting Lewis — tomorrow on 48 Hours. | 48 Hours

“Survivor” fans: Do you remember Joe Hunter from Season 48? He played the game, in part, to honor his late sister Joanna. This Saturday, he is sharing his whole story with Natalie Morales - including what he says are suspicious circumstances surrounding his sister’s death. #Survivor #california #siblings #news | CBS News

“Survivor” Season 48 standout Joe Hunter questions the circumstances surrounding his sister Joanna’s death. Joanna was the reason Joe auditioned for the show. Now he is determined to be her voice and help others who have been affected by domestic violence. #Survivor #california #siblings #news | 48 Hours