Code of a Killer

Conclusion. Baker proposes the world's first DNA manhunt

The main suspect is released to a storm of controversy, and with the killer of the two schoolgirls still at large, Baker proposes the ambitious plan of testing the blood of every male in the area between the ages of 18 and 34 - the world's first DNA manhunt. But he and Jeffreys face huge opposition from sceptics within the police and the community, as well as the establishment. Can they get everyone to believe in the science? David Threlfall and John Simm star in the conclusion of the two-part drama