I believe the marijuana "breathalyzer" / swab tests are known to moderately to wildly inaccurate, like you can test positive 2 days after consumption in some ca

I believe the marijuana "breathalyzer" / swab tests are known to moderately to wildly inaccurate, like you can test positive 2 days after consumption in some cases. Law enforcement desperately wants such a device, so naturally there are plenty of companies willing to fudge their numbers to provide it however.