Criminals are used to trying to avoid leaving fingerprints at a crime scene. But now British scientists have developed a computerized system that allows them to identify ear prints just as easily.

Criminals often wear gloves but are less likely to cover their ears. But before would-be burglars try to pry open a window they might press their ear against the glass to hear if anyone is home.

Ear prints had been used to identify individuals and criminals long before fingerprints became popular in the early twentieth century. They came back into use in the 1990s but unlike fingerprints they were never organized in a computerized system.

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