"TOKYO Stumped for years by blatant suspects, Japanese police are using forensic analysis in hunting down gropers on crowded trains by matching tiny fabric fibers from the suspect's palm with the victim's clothes. The technique used by Osaka Prefectural Police in western Japan helped nab 16 suspects in the first ten months of this year, up from four cases proved the whole of last year, said Hirotsugu Sanuki of the Osaka Police's Science Research Institute....read on"