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What discovery transformed forensic science?

In 1984, Professor Sir Alec Jeffreys stumbled on a method for distinguishing individuals based on their DNA. It was a discovery that went on to transform forensic science and resolve questions of identity and kinship.

16 June 2015

8 minutes

This clip is from

Catching History's Criminals: The Forensics Story—A Question of Identity

Can the face of a killer be constructed from DNA left at the scene of a crime?

Duration: 00:43
Lancaster, 1935 鈥� Dr Buck Ruxton is charged with the murder of his wife and their maid

Duration: 02:28
Why did John Haigh admit to being a serial killer?

Duration: 02:17

Can the face of a killer be constructed from DNA left at the scene of a crime?—A Question of Identity

Duration: 00:43
The future of fingerprint analysis—Traces of Guilt

Duration: 04:09
How a common insect and clever thinking solved a gruesome murder—Instruments of Murder

Duration: 02:12
Lancaster, 1935 鈥� Dr Buck Ruxton is charged with the murder of his wife and their maid—A Question of Identity

Duration: 02:28