Will Graham: I thought you might enjoy the challenge. See if you're smarter than the person I'm looking for.
Hannibal Lecter: Then by implication, you think you're smarter than I am, since it was you who caught me.
Will Graham: No. I know I'm not smarter than you.
Hannibal Lecter: Then how did you catch me?
Will Graham: You had...disadvantages.
Hannibal Lecter: What disadvantages?
Will Graham: You're insane.