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
"I know a lot of people think it's [guest star] Mark Hamill, but can Luke Skywalker do this?" executive producer Erica Messer jokes to TVGuide.com. Hamill — who, lest we forget, voices The Joker on the animated Batman series ...