Uploaded December 2014 | Updated September 2026, 1 hour ago

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A short film where Professor Sir Alec Jeffreys, a British geneticist who developed techniques for DNA fingerprinting, discusses the importance of national DNA databases for helping to solve crime.

Find out more about Sir Alec Jefferys on our website: yourgenome.org/theme/the-dawn-of-dna-profiling-the-eureka-moment-that-revolutionised-crime-solving