Hailey Sole

The team investigates a series of murders with unidentifiable victims in Bakersfield, California; agent Kate Callahan joins the team.

Leslie tries to pass a law extending the community pool hours; April and Ben plan a road trip.

As the team investigate the disappearance of a prominent Boston attorney, secrets of the man's past are revealed.

The members of the BAU team search for a suspect who may have witnessed abuse as a child, while Kate worries when her niece and a friend make plans with a boy they met online.

A serial killer has a dangerous obsession with an erotic bestseller and puts the BAU's profiling powers to the test. Kate faces trouble when her niece starts acting out.

Suspecting that Kate's niece and her friend have been taken by an online predator, the team's hunt takes on a particular urgency as they try to find the pair before they get hurt.