By Pete Smith
The USA TODAY
SPRINGFIELD, Mo. — Police are hopeful that a handheld device an Arizona company says can detect methamphetamine with the click of a button will provide them with a new investigative tool, but some lawyers already are raising concerns.
The meth scanner is being evaluated by law enforcement agencies in Missouri and Arizona. Tucson-based CDEX, the manufacturer, also plans tests on different types of meth in the next four weeks.
Police testing handheld meth detectors