"Rest assured, I know more than I ever wanted to know about weapons of mass destruction. I just took a different skills course to get there."

(What doesn't he know about weapons, really, after the kind of company he's kept. He is a weapon. Bombs that burn the flesh off people's bones is just one more sad story to add to the list.)

"You think so?" he prompts, eyebrows raised challengingly. "All right, what's your theory?"