DescriptionSusanna Reid looks at how one of Britain's most cunning serial killers John Cooper was finally caught after 20 years with the help of his appearance on the game show Bullseye.
View Full Cast Susanna ReidPresenter - HerselfLouise HarriesSelf - Specialist Interviewer (as D.I. Louise Harries)Steve WilkinsSelf - Senior Investigating Officer (as D.C.S. Steve Wilkins)Glan ThomasSelf - Forensics ManagerAngela GallopSelf - Lead Forensics Advisor (as Dr Angela Gallop)
