But he is a dumb human, to some extent. 😆 I'm sure his knowledge was once limited to vampires and werewolves in movies. Whatever info he has under his belt now was on a need-to-know basis; i.e. needed to know in order to make a few legal slam dunks. I.e. made his team of underlings do the research for him.
Could Guin be the assassin committed to figuring him out and taking him down?! Hmmmm...