The victim had ingested a massive amount of cyanide. An unlikely clue - a flaw on a mailing envelope - exposed a murderer who was willing to kill innocent people. Forensic Files is the longest-running true crime series in television history. Evidence and interviews with experts help solve real crimes, disease outbreaks and accidents around the world. #truecrime #forensicfiles #fullepisodes Click here to watch full episodes from Forensic Files - Season 11: https://www.youtube.com/watch?v=zqx7WBpf0KM&list=PLC4mqmKvz1IZpgpEvYBjDdm4odRNi-K-0 Presented by FilmRise True Crime, a Radial Entertainment Company
