Abstract
The name Colin Pitchfork might not be as recognizable as Charles Manson or Jeffrey Dahmer. But for those in the forensic science community, it’s a name that holds weight. Pitchfork was the first murderer to be caught using DNA analysis. When 15-year-old Dawn Ashworth was raped and murdered in Leicestershire, England, in late July 1986, Alec Jeffreys was a genetics professor at the nearby University of Leicester. A few years earlier, he had discovered that patterns in some regions of a person’s DNA could be used to distinguish one individual from another. So far, Jeffreys had put his DNA pattern recognition technique to work in paternity and immigration cases, but now the police wanted him to help solve Ashworth’s murder as well as a similar one that happened in 1983. The police already had a suspect, Richard Buckland, who had even confessed to Ashworth’s murder. When Jeffreys analyzed DNA samples
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