[He was thinking something along those lines, too. They were probably waiting for everyone's guard to be brought down, until they feel less like prisoners for the moment to strike. He's not sure why, or what these people want to gain, but he's hard pressed for information.]

Speaking of, what's their story? [He nods his head to the nurse and lunch lady.] Do they work here willingly? Or are they prisoners too? Talking to them wasn't really helpful.

[Neither was threatening them.]