Why police sketches sometimes don't work
Wednesday, May 11, 2011 - 04:30
in Paleontology & Archaeology
When they were investigating the series of attacks on women in Philadelphia's Kensington neighborhood, police stopped dozens of black or Latino men who were thought to resemble a face in a forensic sketch. The image of a guy in a hoodie, drawn by a trained artist who interviewed one of the victims, was a high-profile use of an investigative technique that dates back more than a century.