The BAU has finally unmasked James Crowley as "The Fan," but the victory is stained with blood. In a gut-wrenching turn, Lance Kepner falls victim to a lethal, booby-trapped phone.

As Prentiss uncovers a critical error, the stakes skyrocket. With Crowley on the loose and the finale looming, the race to survive reaches a heart-stopping, high-voltage fever pitch.

As Prentiss uncovers a critical error, the stakes skyrocket. With Crowley on the loose and the finale looming, the race to survive reaches a heart-stopping, high-voltage fever pitch.