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Forensic experts at the University of Abertay Dundee and the Scottish Police Services Authority (SPSA) are leading the way in the research of new ground-breaking forensic techniques within the field of fingerprints....A technique known as vacuum metal deposition (VMD) that uses gold and zinc to recover the fingerprint mark is being investigated as part of the research project. VMD is a highly sensitive technique already used to detect fingerprint marks on smooth surfaces such as carrier bags, plastics and glass.
John Dillinger (June 22, 1903–July 22, 1934), one of the most notorious criminals in American History, was often glorified by the American media for his daring bank heists and thrilling prison escapes. He operated in the 20’s and 30’s during the Great Depression Era and was idolized by many as the modern day Robin Hood because he stole from those same institutions that were capitalizing on the American people’s misfortunes.
Smithsonian Channel: Where Do Fingerprints Come From?