Wednesday, September 15, 2010

Fingerprints Telling More


by blogger cbt

By using the MALDI-MSI technique, we can now get new details of the suspect that will help solve cases just from a fingerprint. The ability to do this will not only help solve cases but it can also answer unanswered questions about older cases.

The technique, under development by academics at the Biomedical Research Centre (BMRC) at Sheffield Hallam University, allows investigators to identify key details about suspects and can even be used to detect any substances they might have touched, such as traces of cocaine.

For the study, academics from Sheffield Hallam used matrix-assisted laser desorption/ionisation mass spectrometry imaging (MALDI-MSI), which is a powerful technology normally used to map different molecules within tissue sections. For the study the technology was used, for the first time, to analyse and produce images of fingermarks. Simona Francese, from the University's BMRC, said: "Based on the results produced so far and the research currently undertaken we can say this technology can help gain much more information from a fingermark than is currently available. Using it, we could link the suspect to criminal activity and potentially even gain details of their lifestyle by detecting the use of drugs, medication and even diet. This is valuable information to a criminal investigation, particularly if the suspect's print is not on the criminal database."

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