It is against the law to drive under the influence of marijuana in California. If you are pulled over and the officer suspects you’re stoned, he or she may call in a Drug Recognition Expert who will evaluate you for signs of intoxication such as dilated pupils and dry mouth. If convicted, you risk up to five years probation, fees and fines, participation in a Drinking Driver Program as well as a suspension or restriction of your driving privilege. Anyone arrested for DUI/THC should contact a lawyer who specializes in DUI cases. There are many inconclusive factors regarding driving under the influence of marijuana and the THC test results that should be considered.