"Scarecrow" -- The BAU team heads to Yakima, Wash., after the remains of a dozen people are found along a creek bed, on CRIMINAL MINDS, Wednesday, Dec. 7 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Also, they welcome new team member Stephen Walker (Damon Gupton), a seasoned profiler from the Behavioral Analysis Program of the FBI. Pictured: A.J. Cook (Jennifer "JJ" Jareau), Adam Rodriguez (Luke Alvez) Photo: CBS ÃÂ©2016 CBS Broadcasting, Inc. All Rights Reserved | Episode 12.08 - Scarecrow | Promotional Episode Photos | Season 12 | criminal-minds | Gallery