What Defenses are Available to Me If I am Charged With a DUI? Being charged with driving under the influence (DUI) can be a stressful and overwhelming experience DUI Lawyer. The consequences of a DUI conviction can be severe, including fines, license suspension, and even jail time San Luis Obispo DUI Attorneys. However, there are several defenses available to those who are facing DUI charges. In this article, we will explore some of the common defenses that can be used to fight a DUI charge. Challenging the Traffic Stop In order for law enforcement officers to stop a driver, they must have a reasonable suspicion that the driver is committing a crime or a traffic violation. If the officer does not have a valid reason for pulling the driver over, any evidence collected after the stop may be suppressed in court. This means that if the stop was unlawful, any breath or blood test results or field sobriety test results may not be admissible as evidence.