[He remains calm throughout all of this. No need to lose his temper, especially in front of the Doctor right now.]

The Animus showed you? What, did you see a vision of me killing your friend? That hardly counts as proof. Shout at me all you wish, but the simple fact is that you havent the slightest thread of tangible proof as to my supposed guilt. As such, you're being a pestering annoyance. If you'll excuse me, I'm occupied right now.