You might have missed it because of that distracting rectangle, but the receipt is filled with delightful examples of a cashier whose power has gone to his head. His Holiness indeed.
When normal customers "find your behavior odd," the worst they'll do is not tip you. But when your customers are cops, they'll go through your surveillance feed. Lesson learned.
I guess the horrible interference wasn't the crappy intercom system's fault this time.