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.

When an 8-year-old is found murdered on the Appalachian Trail, the BAU team goes deep into its forests in search of a man lurking in the wilderness who is targeting children.

The BAU hunts a stalker in San Diego who is targeting college students. Meanwhile, the team comes under Strauss' scrutiny in the wake of the loss of Prentiss.

It’s personal for Garcia when the BAU investigate the disappearance of a woman in her survivors’ support group whose daughter went missing seven years earlier.

When the BAU travels to Atlanta to investigate the murders of women, the clues lead them to look for an unsub who is not working alone.

The BAU team goes in pursuit of a missing school bus full of children outside the Washington, D.C. area, and it becomes a race against time for them to bring them home safely.

The BAU investigates victims who were documenting their personal lives and inner desires on blog posts and social media. Also, Kevin gets jealous when he learns Garcia may have a new love interest.

When teenagers who were reported missing are suspected of a series of mass murders in Chicago, the BAU investigates their whereabouts to find a motive for the crimes. Also, Morgan has conflicting feelings when his girlfriend takes her job at a hospital as seriously as he takes his.

The BAU travels to Pittsburgh on the hunt for a pair of suspects that appear to be working together as a team; Garcia and Morgan reveal their Valentine's Day plans for their respective significant others to each other.

When a prominent attorney goes missing in Boston, the BAU unearths secrets in his past which could point to the reasons for his disappearance.

Victims in California have the BAU searching for an UnSub who may have witnessed abuse as a child. Meanwhile, Kate shows parental concern when her niece, Meg, makes a date with a friend to meet a boy they met online.

Victims are kidnapped in Phoenix and forced to endure sleep deprivation. Meanwhile, JJ copes with exhaustion from juggling work and caring for her newborn son; and Hotch and Garcia deal with threats from the "Dirty Dozen," an underground hit man group.

The BAU searches for a motive and an UnSub when victims are found in truck stop restrooms along highways throughout the South.