Costigan didn't take long to respond, having been waiting for the thief. Bakura was one of the last people who deserved to know. It was only the undercover's suspicion that telling him would do less damage than not that had him sending the message in the first place, reaching out to someone he basically considered a criminal in the grand scheme of things.

"Hey." He held the door open for the guy to enter, unceremonious in his greeting.