Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-86.183.206.68-20130820182356/@comment-11533671-20130821182544

Actually, we don't know if Peter is or was a part of Derek's pack at all. It has never been stated one way or another, but I think it has been implied that he was NOT a part of the pack and kind of doing his own thing. Without a pack he would be an Omega, not a Beta.