A small family diner in Tennessee got a big surprise one day in June, when no fewer than 22 policemen came to dine in their establishment. But when the officers went to pay their bill, they got a big surprise from a good Samaritan who wished to pay tribute to them, which left them speechless. As it turns out, the officers had just finished their K-9 training for the day and were in search of a good home-cooked meal. The restaurant, a place called Twisters Shakes & Sundaes & Diner, in Knoxville, is owned by a couple named Dixie and Don Miller. Their manager, Lauren, expressed feeling overwhelmed seeing all those uniformed patrons walk in all at once. But that feeling soon subsided. “She said, ‘It was a bit overwhelming at first,’ but she quickly realized they were all very friendly and patient the entire time of their visit,” Dixie later told …