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Forensic electrochemistry to detect firearms use - A group led by Joe Wang at the University of California-San Diego, USA has developed a new forensic technique that can detect gunshot residue at the scene of the crime. Reference: M Vuki, K-K Shiu, M Galik, A M O'Mahony and J Wang, Analyst, 2012, DOI: 10.1039/c2an35379b