Unsolved Mysteries with Robert Stack - Season 5, Episode 20 - Full EpisodeThis episode includes: MP Death, UD: Cop Killer Escape, UD: Musician Sings the Blues, Social Security & UD and Footlocker Bones.Hosted by Robert Stack, this series uses re-enactments and interviews to retell the circumstances of, well, mysteries that are unsolved. Covering crimes, tales of lost love, unexplained history and paranormal events, viewers are encouraged to call in with information that might solve the mystery.