An 18-year-old man has been arrested on suspicion of murdering Leonne Weeks, 16, who was found dead on a path in Rotherham.
Cat DNA Database Set Up To Solve Murders
The UK's first cat DNA database is to be published to help solve future investigations after cat hair was used to identify the killer in a Southsea murder.
The database has been created by University of Leicester forensic scientists after pet hairs were found on the body of David Guy in Southsea in July 2012.
Experts in the University's Department of Genetics have compiled a database of DNA from 152 cats around the country. The database was used to demonstrate the likelihood that cat hairs found on the dismembered torso of Hampshire man David Guy belonged to "Tinker", a cat owned by main suspect David Hilder.
This evidence was used as part of the prosecution case leading to the successful conviction of Hilder for manslaughter.
Dr Jon Wetton, who led the project, said: "This is the first time cat DNA has been used in a criminal trial in the UK. We now hope to publish the database so it can be used in future crime investigations.
"This could be a real boon for forensic science, as the 10 million cats in the UK are unwittingly tagging the clothes and furnishings in more than a quarter of households."
In July 2012, the torso of David Guy was found on a Southsea beach wrapped in a curtain on which eight cat hairs were found. Hampshire Constabulary sent the hairs to California for analysis, where the scientists examined the cat's mitochondrial DNA - a type of DNA contained in small structures within cells, and passed down the maternal line.
The results showed not only a match with the suspect's cat, "Tinker", but also that the same DNA type had not been seen among 493 randomly sampled US cats. The police were keen to know if the type was equally rare in the UK - and, more specifically, in the area of the crime.
Hampshire police tracked down Dr Jon Wetton - who had created a similar database of UK dogs while working with the Forensic Science Service (FSS).
Dr Wetton said: "I was approached by Hampshire police, who wanted to know the evidential strength of the match. I explained that could only be determined with reference to a database of UK cats - which did not exist at the time.
"Having produced a similar database for UK dogs during my previous employment with the Forensic Science Service, we proposed creating a UK cat database from scratch."
152 cats from England were tested, and a team were able to get the samples from a company, which handles analysis of blood samples from pets for vets across the country. The samples showed cats' ages, gender and postcode - with 23 cats from Southsea and another 129 from a range of places throughout the rest of the country.
Only three of the samples obtained matched the hairs from the crime scene, confirming that it was indeed an uncommon type in the UK.
This evidence was presented at Winchester Crown Court, and formed part of the prosecution case successfully convicting David Hilder for manslaughter.
The 32-year-old had tried to stop a row in Thatchers in London Road, two days before Christmas.
Three men forced their way into a home on Ashley Road on Friday and stole valuable Asian jewellery and cash.
Police will scour the Luccombe Road coastal path in Shanklin, after 45-year-old Robert Gibson from London vanished last June.
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