Jack heard April but didn't acknowledge what she said. He's heard those four words a lot from other kids from school and the playground near his house and so far he's ignored them each time. Besides, he didn't know what to say. She's probably too scared of him already. She's probably scared of all of us in here, actually.

Instead he turned to Thomas with his eyebrows raised. "I've never heard of a guy murdering his family 'cause of ADD," he spoke in a simple tone.
The guy was lying about himself, it was obvious to Jack. Or he's convinced he's normal. Which is even crazier.