Of course! The fang marks came from a snake, not a vampire! DUH, HANNAH.
I mean, dammit! How could I have overlooked that? I should be given fifty lashes with a wet noodle, then forced to re-read "Sherlock Holmes and the Speckled Band" until I've learned the grave error of my ways. Augh.
At least Doyle figured out that Jeremy was really Sebastian. That was cool. =_=