A.J. Cook as Jennifer “JJ” Jareau
CRIMINAL MINDS Season 10 Episode 1 Photos X : “X” – The BAU team investigates a series of murders in Bakersfield, Calif., which have left the victims unidentifiable. Also, the team welcomes new agent Kate Callahan into the BAU fold, who assists them in their efforts in solving the cases, on the 10th season premiere of CRIMINAL MINDS, Wednesday, Oct. 1 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Jennifer Love Hewitt joins the cast as FBI undercover agent Kate Callahan. Kerr Smith (“Dawson’s Creek”) guest stars as Frank Cowles.
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