The BAU team races to help Hotchner find The Reaper and save his family before it's too late.

The BAU is called by local authorities in Ashburn, Virginia, to profile a predator who may have been abducting children for at least eight years.

An unusual personal obsession is at the center of a BAU abduction case. Meanwhile, Hotch struggles with his return to work.

As Rossi, Morgan and JJ profile a killer who is targeting an emergency room doctor, Prentiss realizes that Hotch is missing.

A series of rolling blackouts in the city of Los Angeles lures a serial killer out of hiding, giving him renewed opportunities to continue his killing spree.

The BAU team must profile a serial killer covered in tattoos who commits suicide, but leaves clues to the whereabouts of his last victim.

The BAU must determine what caused a disturbed man to murder several people at a pharmacy before he harms anyone else.

The BAU team is tracking down a family annihilator, but needs to take a break from the case to get advice from "The Fox", who is an horrific killer from the team's past. "The Fox" surprises the team with a ominous message for Agent Hotchner.

The team needs to reunite in order to solve a home invasion case, while Agent Hotchner may have to leave the team.

A rash of startling teen suicides in a small Wyoming town is the focus of a BAU investigation.

The BAU team profiles a serial killer who uses the Internet as his hunting ground, bringing a whole meaning to the term "social networking".

The team hunts a suspect who impregnates young women and has them give birth before murdering them.

A serial killer who targets random victims in highly visible places to create a sense of public fear is the subject of a BAU investigation.

A truck driver is kidnapping women and disposing of them in random locations and the BAU must find out his motive in order to catch him.

Garcia plays a crucial role in a case when she travels to Alaska with the BAU team to investigate the murders of several members of a small town.

The BAU investigates a case in Rossi's hometown that involves both his personal and professional life.

The BAU team investigates the mystery behind a trail of murders that all seem to align with the tour schedule of a rock star.

The BAU follows the mental decline of a con artist whose schemes have become so complicated that he begins to eliminate the people involved in them.

A group of suspects with a pack mentality who kill for the thrill of it are the subjects of a BAU manhunt.

The BAU is called upon to profile the past of an ex-convict and help stop him after he escapes from custody and embarks on a violent killing spree.

The BAU team travels to San Francisco to investigate the murders of several homeless men and teams up with a separate group of BAU operatives who are working another case they think is connected.

The BAU team heads to Texas to track a serial killer targeting illegal immigrants attempting to make safe passage into the U.S.

The BAU team tracks a serial killer who keeps the eyes of his victims as souvenirs.