Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-24.85.181.217-20130723180458/@comment-68.84.22.38-20130729032418

Nah the killer is Allison, but she isn't the Darach. The Darach is the mysterious girl who controls Allison with that mark. It doesn't work on Lydia because she is immune to it like a werewolf bite.