Dr. Ronald Yee: Where's your friend? Shouldn't he be here for the plaster removal?
Captain Holt: Something came up, so he had to remove the mask, which came off quite easily, and run out.
Amy: It was urgent police business. Bunch of kids are being held hostage, so he had to go deal with that.
Dr. Ronald Yee: Oh, well, if you need to leave to provide him with backup-
Captain Holt: No, it's a teachable moment.
Amy: The children can handle themselves.