JJ works with Dr. Ochoa to help Voit process the truth about his violent past, and tells him that one of his followers has a message from a mysterious unsub who appears to be organizing the remaining members of Voit's serial killer network.

Cast: Joe Mantegna, Paget Brewster, Adam Rodriguez, Kirsten Vangsness, A. J. Cook, Aisha Tyler, Zach Gilford, Ryan-James Hatanaka