Shemar Moore is heading back to Criminal Minds to guest star in the season 12 finale.
Criminal Minds stars Joe Mantegna, Paget Brewster, Matthew Gray Gubler, A.J. Cook, Aisha Tyler, Kirsten Vangsness, Adam Rodriguez, and Damon Gupton. Catch the finale when it airs on Wednesday, May 10 at 9 p.m. ET on the network.
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