Episode 1
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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.
With his innocence proved by Dr Jeffreys' DNA test, the teenage suspect is released to a storm of controversy. Plus, DCS Baker proposes an extraordinary idea to catch the killer.
Contains some distressing scenes and strong language Turn on Parental controls
Episode 2 - With his innocence proved by Dr Jeffreys' DNA test, the teenage suspect is released to a storm of controversy. Plus, DCS Baker proposes an extraordinary idea to catch the killer.
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