@cbsnews: The parents of 18-year-old Nolan Xavier Wells are demanding answer after the football player was found dead on an island off the coast of Mississippi. It is alleged that Wells’ friends left him on Horn Island alone while they all made it back to the mainland. He had no cell phone and his mother reported him missing that night. Hours later, his body was found. Here’s what we know so far. Head to the linked article for updates on this developing story. #mississippi