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The Bloody Thumb Print That Changed The World Of Crime-Solving Forever

Fingerprints were used for identification in ancient China and Babylonia to mark business deals and correspondence. Though they were studied extensively since then, their value as a crime-solving tool wasn’t embraced until the 1880s — and it wasn’t until 1892, in Argentina, that they nailed their first murderer. »5/14/15 11:18am5/14/15 11:18am

Your fingerprint at the scene of a crime doesn't prove anything

We've all seen police dramas where triumphant suspects are appalled to learn that their fingerprint is on, say, the underside of the door handle of the victim's car. But what qualifies as a 'matching' print? And is the system always perfect, or does it make mistakes? Take a look at how incriminating your fingertips… »4/09/12 3:08pm4/09/12 3:08pm