The handheld device uses X-rays flourescence to detect chemical elements in the scanned area. The big pro to this tech? It's fast, and it does not destroy the scanned area, unlike swabbing, and sending to the lab. Details:
Speedy handheld device to solve murder cases. Cosmiverse.com Oct 6 2002 11:00AM ET... [Meerkat: An Open Wire Service]
© Copyright 2003 Ryan Greene.