The Leavenworth County District Court is located in the Justice Center at 601 S. 3rd Street, Leavenworth. DUI cases in this court are prosecuted by the Leavenworth County Attorney's Office. Arrests made by the Kansas Highway Patrol and Leavenworth County Sheriff's Office are prosecuted in this court. DUI arrests made by the Leavenworth Police Department are normally handled in the Leavenworth Municipal Court so make sure to pay close attention to which court your case is in. You must pass through a metal detector to enter the building.