Code of a Killer
2 episodes

It's 1984, and Dr Alec Jeffreys unlocks a technique to read every individual's DNA fingerprint, while DCS David Baker leads the search for the murderer of a schoolgirl.

Code of a Killer

Guidance Icon

Contains some distressing scenes and strong language Turn on Parental controls

John Simm and David Threlfall star in this groundbreaking crime drama based on a true story. A scientist and a detective are both intent on solving a grisly Leicester murder case.

More info