It still doesn't make sense what Sleeper is saying. Evidently they recognizes his scent but Jason won't cop to his real identity to someone he doesn't trust. That can be a deadly mistake to make.

Still, he follows them to the reading room. At the very least he can't lose sight of the kid.

"Don't know who you're talking," he says in a nonchalant tone. "What kind of books do you read?"

Know thy enemy, right?