Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
The stories of three murder investigations and their extraordinary consequences, which overturned laws, transformed police interrogation and revolutionised forensic detection.
Loading. Please wait...
Episode 1
The story of the hunt to find the killer of Lynda Mann and Dawn Ashworth in 1980s Leicestershire which led to an extraordinary forensic breakthrough - DNA fingerprinting.





