He sees it the second Tom does, nods, gun raised. Teaching the kid a lesson. Might be nothing, might be some other 'kid', but he doesn't think so. It's all too perfect.

He gestures to Tom, nods again at the door. You're pointman. I've got your back. Like everything else, they're going in blind, and there are a whole lot of things about that that he doesn't like at all. But like with everything else, there isn't really any other option. He slides to the wall, presses his back against it, nudges the door silently open with the toe of his boot.