Talk:Shape-shifter/@comment-7600752-20140128040526/@comment-5961531-20140205215556

I thought it was Caius who knew they weren't Werewolves...?

Caius was attacked by a true Werewolf centuries ago, so during the confrontation with the Volturi, Edward managed to read Caius's mind and see that information. It wasn't something that Edward knew.