[Anyone else, he might have been a bit irritated with their just showing up unexpectedly like that, but her? She just gets a smile. He's seen firsthand how stealthily she can move around when she wants.]

I thought I might as well.

[He's rapping experimentally on one of the standing walls.]

This one's not as bad as some of the other ones I've seen--it's got a roof. Have you found anything yet?