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 ...

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 – ...