The BAU is asked to identify a killer who is shooting at victims in broad daylight, and the team works with local law enforcement officers to recreate one of the shootings.

The BAU team believes a dangerous cult may be responsible for the mass murders of five college students in an empty house.

After a man kidnaps three teenaged girls and locks them in a cellar, he tells them only two of them will live and they must choose which one will die. The BAU team takes the case when the mother of one of the girls travels to Quantico to ask JJ to intercede with the FBI on the girls' behalf.

A serial arsonist who targets the homes of upper-middle-class families as they sleep is investigated. The BAU determines the arson victims are linked together through corporate development companies that have been accused of building on contaminated land.

A team member's life is put in jeopardy when the BAU investigates serial killings in Florida that appear to involve the occult and satanic worship. Garcia believes she has met her dream man, but her first date with him doesn't go exactly as she had expected.

The BAU is called to West Bune, a small town in Texas, to investigate what appears to be spree killings that involve a teenaged boy and his girlfriend.

Reid and Prentiss are taken hostage when they go under cover to investigate possible child abuse at an underground cult.

The team investigates a serial killer who shoots luxury car owners on Southern California's freeways.

Agent Hotchner revisits the first case he worked at the BAU when details come forth that one of the deadliest serial killers in New England's history has struck again after a 10-year hiatus.