Bakura shrugged; he hadn't intended to tell Costigan much of it anyway... the details were between he and Ryou and no one else. The only reason he had brought it up was to address the undercover's question about the timing, and framed with the precedent of the man asking about the armor's provocation.

A slight tilt of his head as Costigan corrected his use to his name, indicating it hadn't been a problem. He knew that some habits of speech were hard to break, and he was a guilty of using his own Egyptian terms for certain people, knowing they couldn't understand them. As long as Costigan appeared to be making the effort, Bakura didn't care about the slips.

"If most of the scientists you know are gone, who do you intend to ask?" he inquired, steering the topic back to that line of thought.