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CSI's Marc Vann Plots Return to Criminal Minds This Season

Marc Vann Criminal Minds

Criminal Minds is bringing back a familiar face for a special investigation.

Marc Vann — known to CSI fans as Sheriff Conrad Ecklie — will guest-star in Episode 18 of Season 10, titled “Rock Creek Park,” playing an FBI agent in the Organized Crime Division, TVLine has learned exclusively.

Vann previously appeared in the Criminal Minds Season 3 episode “Penelope.” In addition to CSI and Criminal Minds, Vann’s TV credits include roles in Torchwood, Lost and Boston Legal.

“Rock Creek Park” precedes Criminal Minds‘ planted spinoff, which will introduce a “globe-trotting BAU team that tends to Americans in crisis abroad.”