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Traces of deodorant, perfume and soap left behind at crime scenes could soon be used by police to help trap criminals. 
 
Forensics experts are building chemical profiles of popular fragrances to help them identify scents left on clothing and items touched by offenders. 
 
They hope that by building up a "scent profile" of the person behind a crime, it can help to narrow down lists of suspects and even be used as evidence in court. 
 
Alison Davidson, a researcher at Staffordshire University's department of forensic and crime science, is leading the work in the hope that it can be used by police forensics teams.
 
 
Source: Mail Online
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