The BAU investigates if bullying may be the link between two high school students who are the sole survivors after both of their families are killed.

The BAU investigates the cause of several fatal car crashes involving drivers and pedestrians. Also, Reid gets bad news.

The BAU investigates when several federal government employees, including a close friend of Walker's, succumb to symptoms of a heart attack; Reid anxiously awaits his trial date.

The BAU investigates a workplace shooting committed by a state-of-the-art drone in Silicon Valley.

Away from the watchful eye of the FBI's assistant director of national security, Linda Barnes, the BAU meets in secret to investigate an UnSub who appears to be kidnapping and photographing young women.

The BAU steps in to help local law enforcement isolate a prime suspect for a ritualistic murder in Tallahassee, Fla., and soon after a second person who is related to the first victim is killed under similar circumstances. Prentiss is concerned about Garcia’s behavior in the aftermath of her abduction and has an idea of how to help with the healing process.

With a member of the BAU in the hospital, the team searches for Everett Lynch, and his daughter, Grace. Also, Spencer has a meaningful visit with his mother, Diana Reid, while she’s experiencing a period of lucidity.