Jakob Wedel

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. Jennifer Love Hewitt joins the cast as FBI undercover agent Kate Callahan. Kerr Smith guest stars.

The team tries to rescue a child who is in danger after being brainwashed by a terrorist.

The day's events bring all of our cops face to face with some of their greatest fears. The death of a baby shakes Lydia to her core. Sammy is questioned by I.A. about his altercation with Tammi. A difficult day on the job causes Cooper to seek solace in Hicks (guest star GERALD McRANEY) but finds none. Ben becomes more deeply involved with Brooke while continuing to see Elena (guest star CARMEN CORRAL).