Guest Star Mark Hamill - Criminal Minds Season Episode “Brothers Hotchner” Season Episode “The Replicator”
Star Wars' Mark Hamill to guest-star in 'Criminal Minds' season finale
Inside The “Criminal Minds” Finale--Remember when Derek's DNA was found in this wound?
Part of that payoff was having the antagonist die at the end of the episode.
What the audience knew by the end of Episode 1 was only that someone creepy was taking photos of the team and developing them in the always-creepy light of a darkroom. | Inside The “Criminal Minds” Finale