Hotchner's eyes light up when you hold his hand. It's clear there's more to this moment than just a professional relationship. He follows behind you, and he seems entranced by the school and all of the kids in the hallway. He turns to Katerina with a sly smile, "You know... I used to go to a place like this when I was just a little boy." He says, "I never would've guessed I'd be back here as a grown up."