Mateo Cruz is named section chief over the BAU as the team hunts for a sadistic perp in Baltimore who renders his victims unable to communicate.
Garcia reconnects with an old flame and fellow hacker in hopes of getting help with a BAU murder investigation in San Jose.
When Reid learns that his girlfriend has been abducted by her stalker, he and the team band together to save her before it's too late.
The BAU searches for a common trait among Boston strangling victims, and Rossi mourns the impending closure of his favorite bar.
The team heads to Detroit to probe a pair of murders in which the victims ended up in the trunks of their vehicles.
While Reid copes with a personal loss, the rest of the team goes to San Francisco to investigate a string of murders in the Mission District.
When the team probes a series of deaths tied to apparent ecstasy overdoses, Hotch learns that his estranged brother may be involved.
The BAU searches for a serial killer in Glendale, Arizona, and the team believes that Hotch is being groomed to replace the late Erin Strauss.
When JJ is kidnapped, the BAU calls in Prentiss to assist and searches for leads in her missions for the state department.
Documentarian Errol Morris turns his lens on Donald Rumsfeld, who served as U.S. secretary of defense during the 2003 invasion of Iraq.
The team heads to Maryland to profile an author whose wife mysteriously disappeared a year ago -- and whose daughters have just vanished.
When the opening of a time capsule results in a grisly discovery, the team looks into a potential link to a police officer's death.
The BAU goes up against a gang of bank robbing serial killers, and the stakes rise when one of their own becomes a hostage, on the first part of the two-hour seventh season finale.
The BAU team finds discord in Houston when a rapist known as "the piano man" returns to assault his previous victims.
The BAU investigates when a series of bodies turn up in the middle of the Las Vegas desert -- all victims of drowning.
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