ITV Code of a Killer Catch up on the ITV Hub Full Series Series 1 available Two-part crime thriller telling the true story of the world's first crime solved by the science of DNA. 2 episodes available to watch Share this programme: Copied to clipboard Share on Facebook Share on Twitter Copy link to share Full Series Series 1 Episode 1 Mon Monday 11 Oct 9pm A scientist's breakthrough helps a detective track down a murderer. Latest Episode 2 Mon Monday 18 Oct 9pm DCS Baker proposes an extraordinary idea to catch the killer.