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DNA evidence from crime scenes could be plucked from the air
DNA evidence from crime scenes could be plucked from the air Culprits may one day be found using a new technique to potentially pick up and record key airborne forensic DNA evidence from crime scenes wiped clean of fingerprints and other trace evidence. A new study led by Flinders Univ
However, new technologies are providing new avenues for evidence collection – including the emerging field of eDNA(environmental DNA) from solid surfaces, soil, water and air. The pilot study, conducted in collaboration with international experts, Dr Duncan Taylor from Forensic Science SA and Dr Roland van Ooorschot from the Victoria Police Forensic Services Department, focused on additional avenues for DNA collection by investigating air-conditioner units that circulate air around a room – as well as different kinds of filters at different periods of time to compare results. Flinders University Senior Lecturer in Forensic Science Dr Mariya Goray says biological material is routinely collected from crime scenes and exhibits, and these new methods have the potential to help identify the usual users of a room as well as visitors.
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