Washington lawmakers are moving to tighten the rules around how toxicology evidence is handled in DUI and drug-impaired ...

It’s a notable if not surprising statistic: Of the 7,500 blood samples from suspected drunken drivers that the sheriff’s crime lab tested over a recent 12-month stretch, the people who landed in ...

The legislation introduces oral fluid testing, which allows officers to use cotton swabs to test for drug impairment during ...

San Diego police have been using the handheld SoToxa device during traffic stops since October, testing a driver's saliva to ...