 These patrols focus on a variety of safety-related moving violations and traffic offenses, including the prohibited use of handheld devices while driving. According to Cottonwood Police Department officials, the goal of selective enforcement and DUI patrols is not only to locate violators of the law, but to increase public awareness and remind drivers of traffic laws. I'm Lindsay Draper reporting. A Dewey Humboldt woman is facing DUI charges following a traffic stop in Prescott.