
An elite squad of FBI profilers analyzes the country's most-twisted criminal minds, anticipating the perpetrators' next moves before they can strike again. Each member of the "mind hunter" team brings his or her expertise to pinpoint predators' motivations and identify emotional triggers to stop them. The core group includes an official profiler who is highly skilled at getting into the minds of criminals, a quirky genius, the former media liaison who manages to adeptly balance family life and the job, and a computer wizard.

When four men from Oregon go missing, the team looks for a common link; J.J. is upset when her son doesn't want to celebrate Halloween.

Ritualistic murders lead the team to believe their suspect may have a fascination with the Salem witch trials; Garcia plans a Day of the Dead celebration.

A child reappears one year after he went missing -- but the team must work quickly when a trick-or-treater disappears under similar circumstances.

The BAU investigates a spooky local ghost story of the "Tall Man" and the clues it provides when two people go missing in the woods; a third person mysteriously surfaces the following day with limited details as to what happened to her friends.