technologyreview.com: By Brittany Sauser

Scientists have developed a better way to identify fingerprints on bullets and fragments of explosives.

Fingerprints are crucial evidence in many criminal investigations because they can tie a suspect to the scene of a crime with almost indisputable accuracy. Now crime-scene investigators have a new technique for finding fingerprints left on metals, like the cartridge from a spent bullet or fragments of an improvised explosive device, even if the perpetrator tries to wash the evidence clean. [ read more ]