Hotch's unexplained absence quickly becomes apparent when the team is called back together to profile a killer who is targeting an emergency room doctor.
When a disturbed man kills several people at a pharmacy, the BAU must figure out what triggered his actions before he hurts anyone else.
The BAU investigates a case in Rossi's hometown that involves both his personal and professional life.
When vandalism escalates into violence, the BAU must track down a pack of unsubs who kill their victims for the thrill of it.
The team tries to find a suspect who is known for making young woman pregnant and then kill them after they've given birth.
The team attempts to catch a serial killer who kills his victims and keeps their eyes as souvenirs.
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 team is tracking down a family annihilator, but need to take a break from the case to get advice from "The Fox", which is a horrific killer from the team's past. "The Fox" surprises the team with a ominous message for Agent Hotchner.
Hotchner needs help to find The Reaper and save his own family before it's too late.
The team needs to reunite in order to solve a home invasion case, while Agent Hotchner may have to leave the team.
When a criminal escapes from custody and starts a killing spree, the BAU must first profile his past in order to catch the criminal.
While Hotch has problems returning to work, the BAU investigates an abduction case in which an unusual personal obsession is at the center.
The BAU team investigates a rash of startling teen suicides in a small Wyoming town.
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.
The BAU investigate a serial killer who seems to be targeting quite random victims in highly-visible places, only to intentionally create a sense of public fear.
The BAU profiles a child abductor who may have been keeping children for more than eight years.
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.
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.
Illegal immigrants entering the country are being targeted by a serial killer, so the BAU is called in.
The BAU team must profile a serial killer covered in tattoos who commits suicide, but leaves clues to the whereabouts of his last victim
Garcia joins the BAU team's and goes to Alaska where several people have been murdered in a small town.
The BAU team are brought in to profile a serial killer who uses the internet and locates his victims on social networking sites.
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