Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-71.87.104.8-20130729045241/@comment-13899768-20130730050030

DerekMccall wrote: Maria Trimble wrote: Stilinski also mentioned that the girl's face was clawed up. Paige's face wasn't clawed up, her neck was snapped. Peter actually mutilated her when he went to bury her.

Peter says this in the episode "Visionary". He explains that he buried her in the woods where she would be found and catergorized  as "another animal attack". Hinting that he mutilated her dead body to make it seem like her death was from something inhumane. Right, and if you look at the Darach, that's how it looks.