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999 Murderer Calling

A man believes he's carried out the perfect murder, but he forgets one tiny detail. How did science trap the man who thought he'd got away with it

Today · Wednesday, 13 May 1 airing
21:00
Investigation Discovery
S1 E4 · The Microscopic Mistake
Sunday, 17 May 1 airing
22:00
Investigation Discovery
S1 E5 · Killer in the Woods