Nathan's been watching, without seeming to, the conversation between the two cops, the one he knows as their insurance policy and the other who's taken such delight in destroying their supplies. When it's the known entity that breaks away to walk toward him, he breathes an inward sigh of relief. Maybe they won't be taking that trip downtown after all.
With a meaningful glance at Kate and another squeeze of Bren's shoulder, he nods his head and stands, backing away from his chair and joining the detective off to the side. Yes, he knows the man's rank. He also knows enough not to give away how well he knows the man. "Officer?"