Company Testing Pot Breathalyzer Prototype

DENVER (CBS4)– Law enforcement who try to catch people driving while high on marijuana have a problem because they don’t have a breathalyzer to uncover it during a traffic stop.
Currently police use blood or urine tests to measure the THC in someone’s system but those tests only reveal if marijuana has been used in recent days or weeks, not actual impairment.
The Oakland-based company Hound Labs, working in conjunction with scientists at UC Berkeley, announced Wednesday they&rs