Six murder cases where forensic evidence helped trap the murderer.
Narrated by Nick Ross.
Final case: The Bloody Thumbprint
March 1905: An elderly couple have been battered to death in their shop in South London. The only clue is a bloody thumbprint left on the lid of a cashbox.
Can the police use this evidence to convict the murderers?
Written by Frederick Bradnum.
(Stereo)