Robbie Coltrane's Critical Evidence

When there's a murder with no suspect, no leads and perhaps not even a body, that's when investigators face their toughest test. Evidence must be gathered. Evidence must be analysed. But evidence is worthless if it can't be pinned to a suspect... Most murder victims knew the person that killed them. That's why homicide, in many cases, is a straightforward crime to solve. Yet 20% of UK homicides are classified as "circumstances unknown".

In this series, Robbie Coltrane reveals eight of the hardest, most complex and baffling murder cases ever to be investigated by British police. The focus of each programme is the trail of evidence: how it was discovered, what it meant and how it became critical to crack the case. With interviews from the lead investigators and forensic specialists, many speaking for the first time, Robbie reveals the astonishing twists and turns of often stranger-than-fiction cases. It is a record of the detectives' art: using skill and determination to solve seemingly unsolvable cases – because the only difference between success and failure is critical evidence

Previous Episode

Resolution To Kill

Episode 1x08; Nov 27, 2016

In the summer of 1993 a serial killer stalked London. The Metropolitan Police investigated a bizarre murder in which a man was found naked on his bed with a dead cat draped over him. He'd been strangled and his flat had been wiped of evidence. It wou

Previous Episodes

Episode NameAirdateTrailer
1x08: Resolution To KillNov 27, 2016
1x07: Bodies of EvidenceNov 20, 2016
1x06: The Body in the SuitcaseNov 13, 2016
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