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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.
This was the first use of DNA fingerprinting in a criminal investigation, and the first to prove a suspect's innocence. [96] The following year Colin Pitchfork was identified as the perpetrator of the same murder, in addition to another, using the same techniques that had cleared Buckland.
He concluded that there was no match between the samples and Buckland, who became the first person to be exonerated using DNA. Jefferys confirmed that the DNA profiles were identical for the two murder semen samples. To find the perpetrator, DNA samples from the entire male population, more than 4,000 aged from 17 to 34, of the town were collected.
[30] [31] The original remains were also tested using a highly sensitive assay of the Y chromosome that found the flesh sample on the slide was male. [ 32 ] The same research team also argued that a scar found on the torso's abdomen, which the original trial's prosecution argued was the same one Mrs. Crippen was known to have, was incorrectly ...
Lawyers for a New Jersey man charged with the brutal murders of four of his relatives are challenging the use of an increasingly common tool that has transformed DNA analysis in dozens of labs ...
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.
The process of recreating the face is one of the few options available for investigators, who have been trying to use DNA analysis in the five days since the horrifying murder.
A former Colorado Bureau of Investigation DNA scientist intentionally cut corners and didn’t follow standard testing protocols, raising questions about hundreds of cases in which she processed ...