Hey, I don't want to make this public and you're the only one stuck in the dorms I've talked to much.

[Maybe being an anti-social gremlin all this time was a bad idea, Kerrigan.]

I think our impostor is one of the people who isn't circled or crossed out, but obviously I don't want to float that idea where they can see it. Maybe round up some of the Xs and asking questions?