Michael Raynor

The BAU hunts a stalker in San Diego who is targeting college students. Meanwhile, the team comes under Strauss' scrutiny in the wake of the loss of Prentiss.

Carter encounters Abby at an Alcoholics Anonymous meeting, and, later, Abby reluctantly agrees to serve as his sponsor. An elderly diabetes patient who refuses to be consistent with dialysis appointments needs surgery. Romano refuses to treat the man. Benton clashes with Romano over this decision. Chen divulges her pregnancy to Weaver. Kovac and Weaver are frustrated when the life partner of a comatose woman is unable to legally make a decision about the woman's care. Dr. Greene proposes to Corday and surprises her with a new house. Abby spends time with a couple and their extremely premature baby, who they are aware has only a few hours to live.

The CSI team investigates the murder of an entire family, except for one daughter who supposedly is possessed by the devil. (TV-PG)

Ben seeks revenge when his mother's rapist is released from prison. Lydia and Josie bump heads over a chainsaw, as Sammy deals with his wife's betrayal.

A married man who comes into the station to report a mugging is later placed at a hotel room where a transvestite prostitute was murdered. Meanwhile, an 18-year-old Pakistani woman is found murdered, but her father doesn't seem distraught over it.