While many celebrated California's legalization of recreational marijuana last November (Proposition 64), that same initiative granted California Highway Patrol (CHP) a multimillion-dollar contract to enforce it. That enforcement includes going after marijuana DUI.
When most people think of driving under the influence or DUI, they think about drunk driving or perhaps getting behind the wheel while using some illegal drug such as cocaine. But Joseph Schwab, was pulled over for allegedly driving erratically and cutting off an agent from the California Department of Alcoholic Beverage Control. A breathalyzer test showed that Schwab had zero alcohol in his system, but had caffeine in his system. He was, subsequently, charged with DUI.