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DNA profiling is one of the world's most powerful forensic tools, but how was it developed and how does it work?Key facts
- DNA profiling helps us to link individuals to crimes and free those that are innocent.
- DNA can be extracted from bodily fluids, white blood cells and tissue samples.
- Small sections of the DNA molecule are unique to one person.
- If DNA samples found at a crime scene match a suspect then they are likely to be guilty.
Transcript
DNA profiling is a revolutionary crimesolving technique, using forensic science to link individuals to crimes.
Developed by scientists at Leicester University in 1984, DNA profiling was first used in the UK to convict a man of two murders he committed the year before.
Leicester University, 1984
Sir Alec Jeffreys, Leicester University, UK – ...
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