
The crime scene investigators on TV’s popular CSI: Crime Scene Investigation series seem able to solve any mystery thanks to a little science and a lot of artistic license. But now there is a real-life technique that could outperform even fictional sleuths’ crime-busting tools. Scientists report a way to tell how old fingerprints are. This could help investigators determine which sets are relevant and which ones were left long ago.
http://www.sciencedaily.com/releases/2015/08/150812131502.htm