He hesitates, drawing back when Levi extends his hand for a shake before reminding himself that this is a man who'd stuck his neck out to make sure Spencer stayed out of prison; returning a handshake is truly the very least he can do. "I'll hold you to that," he says, accepting Levi's hand, and he probably pulls his own back a little too quickly but the detective doesn't seem to mind.

He shoves his hands in his pockets with a heavy sigh, giving a slight nod as he lowers his eyes. "The letters. Yes, I know about them."