Ian Mathis was arrested just before 3AM on Saturday morning, when he was found passed out behind the wheel at a Taco Bell drive-thru on Gallatin Pk in East Nashville. When police arrived at the East Nashville Taco Bell, they found Ian Mathis passed out in the driver’s seat of his vehicle. When making contact, officers report and odor of alcohol, and suspected he was under the influence. Upon contact, Mathis did state that he had a Smith & Wesson 9 mm in the door, which was secured. Mathis was…