The ritualistic murder and dismemberment of two young males sends the team to Rapid City, S.D., to investigate.
When hookers in Miami are murdered in a style similar to a rash of animal slayings, the team must work fast to find the increasingly confident killer.
When the bodies of two ostensibly unrelated victims are discovered, the team suspects that two killers worked together to carry out the murders.
After a series of tornadoes hit Kansas, the BAU searches Wichita when bodies turn up in the aftermath of the storms, and JJ faces pressure on both the work and home fronts.
While on the trail of a killer in Chicago, Morgan comes to believe that the suspect may be linked to the person who molested him as a child.
Santanico Pandemonium takes the stage as the Gecko brothers and the Fuller family sit down to watch the performance of a lifetime.
The BAU thinks that missing Chicago teens may be behind a killing spree; Morgan has a hard time accepting his girlfriend's devotion to her work.
When a young boy is found wandering in the Arizona desert and another child disappears, the BAU team goes on the hunt for the kidnapper.
A case turns personal for Garcia when a friend of hers goes missing seven years to the day after her daughter disappeared.
A series of murders in San Francisco bearing the marks of the infamous Zodiac Killer have the BAUwondering if the notorious serial killer is back.
The BAU discovers a long-standing feud between a pair of rural clans when two bodies are found in the back woods of West Virginia.
In Los Angeles, the team profiles a suspect who abducts nannies and the children in their care on the same date every year.
The team goes in search of a school bus full of students that has vanished near Washington, D.C.
As Santanico attempts to sway Richie to her cause, Freddie confronts Carlos about his destiny and the temple's mysterious past.
Shameful family secrets come to light when human remains turn up in the backyard of a home in Virginia.
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