When was the murderer who is the subject of Code of a Killer sentenced?
Code of a Killer Code of a Killer is a two-part British police drama television series which tells the true story of Alec Jeffreys' discovery of DNA fingerprinting and its introductory use by Detective David Baker in catching the double murderer Colin Pitchfork. Filming commenced in late September 2014, and the program aired on the ITV network, on 6 and 13 April 2015.
John Cooper (serial killer) John William Cooper (born 3 September 1944) is a serial killer and diagnosed psychopath from Milford Haven, Pembrokeshire. On 26 May 2011 he was given four life sentences for the 1985 double murder of brother and sister Richard and Helen Thomas, and the 1989 double murder of Peter and Gwenda Dixon. Cooper was also sentenced for the rape of a 16-year-old girl and a sexual assault on a 15-year-old girl, both carried out at gunpoint, in March 1996, in woodland behind the Mount Estate, Milford Haven.