Courtney Halverson

The BAU team heads to Yakima, Wash., after the remains of a dozen people are found along a creek bed. Also, they welcome new team member Stephen Walker (Damon Gupton), a seasoned profiler from the Behavioral Analysis Program of the FBI.

Melinda encounters the spirit who died during a sorority initiation ceremony while searching for a girl that's gone missing in the same manner.

When a confused and battered young woman lands on Zeke’s doorstep and says she was kidnapped and her abductor still has her friends, the team races to put the minimal clues together. Gabi shares devastating news with Dhan.