>> but someone you. >> she called me and said i think i know something about him. after six days of testimony both sides had their final say. >> would she also become the next victim? >> she was scared to death to confront him. she knew what he was capable of. and thus she was terrified. and that she was terrified. >> hello and welcome to dateline. -- was a force on the football field. popular and feels really loyal to his wide circle of friends. then late one night the charming athlete was shot dead. his killer left few clues and the case south cold until someone came forward with a stunning secret.