who would want to harm jessica nelson? that question baffled her grieving family. m was found sexually assaulted and strangled to death in her bathtub, >>> welcome back to dateline. who would want to harm jessyka t nelson? that question baffled her grieving family when the vibrant young man was found assaulted and strangled to death in her bathtub, loved ones wondered if a facebook post had alerted jessyka's killer that she was home alone that night. now, investigators were about to drill down on her personal relationship . at least one of them was complicated. back to keith morrison with evil intent. >> word of jessyka nelson's death spread quickly, if incoherently, among her friends in omaha. >> i got a phone call from a mutual friend of ours and she was so hysterical, i could not understand what she was saying and i thought she said that dom had been killed so i got off the phone with her and i called john and he said they found just dead and it was just unreal. i just couldn't believe that. >>'s friendship with jessyka had drifted a bit after high school but by