Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-108.81.117.0-20140311052913/@comment-99.162.55.185-20140311164245

Peter killed Laura by ripping her in half. He knew that Derek would come back to town looking for his sister, and when he would find her body he would think the hunters did it. Peter then would have probably came forward and convinced Derek to join his pack to get revenge on them. However, Derek discovered it was actually not the Hunters but it was His dear uncle Peter.