Lisa Arturo

The team travels to Ohio in the hopes of tracking down a serial killer preying on married couples. Agent Hotchner considers a team member to fill a vacant role.

The murder of a socialite leads the agents to a women's-only country club, where all the board members seem to have something to hide. To find the killer, Jane sets up another controversial sting.

The team start an investigation of their own, when a private investigator is found frozen in ice. The victim was a fixer; he made sure that his clients' problems went away. Aubrey discovers information concerning his father's whereabouts.

The death of a woman on a remote mountain trail perplexes Grissom and Sara (William Petersen, Jorja Fox), while Catherine and Warrick (Marg Helgenberger, Gary Dourdan) try to piece together the artful theft of a multimillionaire's (guest star John Getz) painting.

Brenda and the division probe into the death of a personal trainer found in the car park of a restaurant; the team must wear hazmat suits while undergoing anti-terrorism training.

Dr Langston's first day on the job goes from bad to worse when a simple burglary case quickly overlaps a complicated arson and homicide case.