When Melanie Road's body was found on a June morning in 1984, it prompted one of the largest manhunts in Britain. But the schoolgirl's killer wasn't found. How did a team of cold case officers rebuild the inquiry after decades and bring justice to a family still in grief?
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Episode 4: One More Knock
Julie Mackay takes control of the cold case inquiry into the death of Melanie Road. She hears about a man’s deathbed confession. But how can detectives prove he really is the murderer of Melanie Road? And 26 years after the killing, a witness comes forward offering explosive new evidence.