"I want to know where their headquarters are, first," Corosa said. He was starting to pace, admittedly partly due to anxiety -- the city was getting to him, again. "And get a better idea of this place. Where would they put a prison?"

Not at headquarters, certainly, but it might be a good place to start searching anyway. Speaking of.

He frowned. "There's... two other people who may have seen the room, too."