Costigan frowned. He knew that this was a bad idea, full of too many risks, but he also knew this wasn't the first time he'd gone all in with his life for the potential greater good and probably wouldn't be the last either, if he was being honest. Despite his clear anxiety and discomfort, he followed Ariadne and then took a seat on the couch when it seemed like the right thing to do, saying nothing and mostly ignoring their banter. He listened to it and filed it away for later, but it was completely irrelevant to his current predicaments and he had no intention to waste time on dwelling on their inside jokes.

Instead, he sat silently, watching them both, trying to memorize the appearance of the briefcase both inside and out, waiting for his turn.