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Who's The Replicator on Criminal Minds?

The BAU's season-long stalker, who's been duplicating the team's closed cases, will finally be revealed on Wednesday's two-hour Season 8 finale (9/8c, CBS), but fans already have a wild guess as to who the group's tormenter is.

Get the scoop on 39 must-watch finales

Criminal Minds renewed for ninth season

CBS fall schedule: Hawaii Five-0 moves to Fridays; two-hour comedy block on Thursdays