Late at night, police are called about a man behaving strangely with heavy suitcases on a bridge in Bristol.
When officers arrive minutes later, he has vanished – but the suitcases are revealed to contain human remains.
The bridge is closed, a crime scene is erected, and a manhunt begins as investigators discover a twisted tale of sex, lies, and murder.
This video contains some upsetting scenes.
You can watch more episodes of The Big Cases on BBC iPlayer.
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