The BAU searches for a serial killer who leaves distinctive marks on victims' faces with the help of an impressive potential new team member, forensic psychologist Dr. Tara Lewis.
The BAU implements an elaborate strategy to try and take down the "Dirty Dozen" hitmen ring, with Reid playing a central role
When corpses are discovered in public places in Boston, a ride-sharing service may lead the team to the killer.
The BAU attempts to find a suspect as well as a motive after some victims are discovered in truck stop restrooms in the South.
A young woman manages to escape from the home where she and two other women were held hostage for a long time.
The BAU team attempt to find a suspect in Los Angeles after security footage is found which shows an unknown subject being invited into victims' homes.
Morgan ends up being abducted and the members of the BAU team face a race against time to locate him and save his life.
The team look for an unknown subject who has been taking children whilst their parents are asleep.
After an UnSub targets the BAU the team look for who's responsible.
The BAU looks for an UnSUB who is deliberately disfiguring victims. Rossi and his ex-wife are involved in an uncomfortable reunion.