High-tech scanner spots meth traces on clothes

CDEX Inc. has developed a device which can instantly detect trace amounts of meth.

Right now it's being tested in Greenlee County, northeast of Tucson.

"When you pull the trigger, UV light comes out of the lamps," says Wade Poteet, the principal scientist behind the scanner.

In an instant the scanner knows if a substance is meth or not. It detects traces of the drug down to one tenth of one millionth of a gram on clothes, skin, and other surfaces.

The sheriff's department showed us how it works on real meth seized as evidence.

"Just point and shoot. Keep it simple," Sexton says.