"I think so," he says, with a smile so slight it might almost seem nice under any other circumstance. "All vampires have is time. And ways of getting people to talk."

Which means he doesn't know, because Ivan doesn't or at least he didn't tell Mitchell. But when he thinks of his own fury after the explosion--

That's not a good place to go to. The location and the constant smell of blood probably isn't helping, in that respect. He does, however, spy someone walking past with a mixer in hand and that drags his attention away from his own thoughts. "It looks like they do something other than blood here. Can I get you a drink?"