Officers stop a vehicle after noticing it driving without headlights. The driver explains she is taking her friends home and initially denies drinking, but later admits to having one beer earlier in the night. Officers detect the smell of alcohol coming from the vehicle and ask her to step out for field sobriety tests. During questioning, her statements change about when and how much she drank. She appears nervous and emotional while completing the tests. Based on her performance and observations, officers place her under arrest for DUI. She cooperates during the arrest, submits to a breath test, and records a blood alcohol level above the legal limit. The driver is informed of her rights and transport procedures. She is presumed innocent unless proven guilty in