Police demonstrate the Alere DDS2, a saliva swab test some authorities are using to determine marijuana impairment, in May at the Capitol in Sacramento. Taryn Luna The Sacramento Bee
Police demonstrate the Alere DDS2, a saliva swab test some authorities are using to determine marijuana impairment, in May at the Capitol in Sacramento. Taryn Luna The Sacramento Bee

Driving while high on marijuana? CHP is looking for you this weekend

December 28, 2017 02:48 PM