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"SCOTTISH researchers have &amp;#8232;developed a revolutionary technique to help detectives recover &amp;#8220;invisible&amp;#8221; footprints left at crime scenes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.scotsman.com/news/abertay-university-researchers-make-potentially-major-breakthrough-in-fight-against-crime-1-2664702>