These common drug tests lead to tens of thousands of wrongful arrests a year, experts say. One state is fighting back

A great-grandmother’s medicine tested positive for cocaine – spawning a 15-month legal nightmare, forcing her to refinance ...
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This field drug test confused bird poop for cocaine. It has led to thousands of arrests, anyway

Law enforcement across the country is using a roadside drug test that is mistaking common foods and even bird poop for ...