After a fourth woman goes missing in as many months, the team is brought in to track down the guy before he kidnaps again. Hotch is asked to secretly evaluate Gideon to see if he is ready to work full time again.
The BAU investigates the kidnapping of a U.S. District Attorney's daughter and determines the kidnapper isn't seeking money -- he's after her twin sister.
An elite team of FBI profilers analyze the country's most twisted criminal minds, anticipating their next moves before they strike again. The Behavioral Analysis Unit's most experienced agent is David Rossi, a founding member of the BAU who returns to help the team solve new cases.