Loud barks echoed though the empty parking lot. “Tustin Police, let me see your hands!” shouted K9 Officer Taylor Ryan. Tustin Police K9, Ragnar, was antsy to get to work. As the agitator sprinted, 18-month-old Ragnar chased him, gliding through the air, and latching onto the acting suspect – dressed in a full-bite suit. Suspect apprehension is just one of many important jobs K9s do while working at the Department. “We assist with alarm calls, apprehending suspects, article searches, and helping find missing persons,” Ryan said. The Tustin Police Department recently welcomed new K9, Azzurri, bringing the unit up to…