Add Yahoo as a preferred source to see more of our stories on Google. A sample taken from a bag hidden in a vehicle tests positive for marijuana with a colorimetric drug test. - Ken ...

Colorado has become the first state in the nation to prohibit arrests based solely on colorimetric drug tests, also known as field drug tests. Last legislative session, lawmakers passed a bill ...

COMMERCE CITY, Colo. (KDVR) — Colorado has become the first state to pass a law banning an arrest based solely on a colorimetric drug test, a common tool used by police to identify suspected narcotics ...

SAN FRANCISCO – State Senator Scott Wiener, D-San Francisco, introduced a bill on Tuesday that would prohibit law enforcement from making arrests or filing charges based only on certain field tests ...

Bird poop scraped off a man’s car appeared on a drug test as cocaine. A toddler’s ashes registered as methamphetamine or ecstasy. And a great-grandmother’s medicine tested positive for cocaine – ...