Criminal Minds grossed out many viewers this week, prying open the eyeballs of a victim and... nevermind. We can't go into any more detail without getting queasy. Just go read our review of Proof.

Looking ahead to next Wednesday night, the team will go after an atypical serial killer, one who is fighting his own mind, according to the official CBS trailer below, and who appears to take out his own parents.

Elsewhere, look for Prentiss to go through recertification training.