Forensic Genesis

The latest findings show that with clever science, a single fingerprint left at a crime scene could be used to determine whether someone has touched or ingested class A drugs.In a paper published in Royal Society of Chemistry's Analyst journal, a team of researchers at the University of Surrey, in collaboration with the National Centre of Excellence in Mass Spectrometry Imaging at the National Physical Laboratory (NPL) and Ionoptika Ltd reveal how they have been able to identify the differences between the fingerprints of people who touched cocaine compared with those who have ingested the drug -- even if the hands are not washed. The smart science behind the advance is the mass spectrometry imaging tools applied to the detection of cocaine and its metabolites in fingerprints.

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