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Colin Pitchfork (born 23 March 1960) is an English child-murderer and child-rapist. He was the first person convicted of rape and murder using DNA profiling after he murdered two girls in neighbouring Leicestershire villages: Lynda Mann in Narborough in November 1983 and Dawn Ashworth in Enderby in July 1986.
The Duguay case marked the world’s first use of non-human DNA in a criminal trial; [1] while the forensic science of testing cat and dog hairs had been firmly established and studied, it was an unknown science up until that point. [9]
His discovery is first put to use in an immigration case, successfully proving the parentage of a young Ghanaian boy and preventing his deportation. The acceptance of Jeffreys’s findings in a court of law opens the door to DNA testing, and he and his university laboratory are swamped by paternity and immigration cases.
He had no criminal history and was married with two adult children. Genealogists were able to use DNA to identify 55-year-old Paul Hutchinson of Dillon, Montana, as a possible suspect in the 1996 ...
Timothy Wilson Spencer (March 17, 1962 – April 27, 1994), also known as The Southside Strangler, was an American serial killer who committed three rapes and murders in Richmond, Virginia, and one in Arlington, Virginia, in the fall of 1987. [1]
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DNA profiling is a forensic technique in criminal investigations, comparing criminal suspects' profiles to DNA evidence so as to assess the likelihood of their involvement in the crime. [ 1 ] [ 2 ] It is also used in paternity testing , [ 3 ] to establish immigration eligibility, [ 4 ] and in genealogical and medical research.
The researchers used data from 17 actual cases to test their model. In each case, the target’s DNA—that of the suspect or the victim—produced anywhere from 200 to 5,000 matches.