How One Hair and a Cat DNA Database Helped Convict a Killer

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LONDON (AP) — Fingerprints are not the only thing that killers can leave behind – add cat hair to that list.

A British university said Wednesday that its DNA database of British felines helped convict a man of manslaughter, illustrating how the genetic material of pets can be used by crime scene investigators.

“This is the first time cat DNA has been used in a criminal trial in the U.K.,” said Jon Wetton from the University of Leicester. “This could be a real boon for forensic science, as the 10 million cats in the U.K. are unwittingly tagging the clothes and furnishings in more than a quarter of households

Although drawing DNA from human hair, saliva, or blood samples has long been a part of crime scene investigations, animal material has also provided invaluable clues. The Veterinary Genetics Laboratory at the University of California, Davis, has used animal DNA to catch criminals for more than a decade – including one case in London in which blood left at the scene of a nightclub stabbing was matched to a murder suspect’s bull terrier.

In the latest case in Britain, investigators tapped the same lab to identify the cat hair discovered around the dismembered torso of David Guy, 30, who was found hidden in a trash bag on a British beach in July 2012. Detectives matched the hair to a cat belonging to the man’s friend, David Hilder, but because the genetic material was mitochondrial DNA – which can be shared among large number of animals – the strength of the match couldn’t be known.

the cat in the picture is Trixie. Trixie the cat plays at her London home June 26, 2013. A newly created DNA database of British cats has helped convict David Hilder, who was convicted of manslaughter last month in Winchester, England, a British university said Wednesday Aug. 14, 2013, dramatically illustrating how even pets’ genetic material can be a great help to forensic scientists. (Photo: AP/ Naomi Koppel)

source: http://www.theblaze.com/stories/2013/08/14/how-one-hair-and-a-cat-dna-database-helped-convict-a-killer/

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