Originally Posted by crockett

Well this week it just seemed like they were tighten in the leash and they discovered it was someone within their department whom is the killer. The previews of next week show the black dude that don't like him breaking into his house and finding his stash of blood slides from all his victims. Then they show him in handcuffs being walked in.

If there is a 3rd season already announced, I'm gonna guess the previews are just him dreaming.