Internal Affairs

"Internal Affairs" is the ninth episode of Season Eleven of Criminal Minds.

Summary
After two undercover DEA agents are murdered and a third goes missing, the BAU joins the NSA to investigate an underground Internet drug syndicate that is possibly involved. Also, Hotch uses the investigation as an opportunity to bring the team closer to finding the Dirty Dozen hitmen ring.

Guest Cast

 * Thomas Bell - Security Guard
 * Andrew Borba - Tony Axelrod
 * Christian Cage - Mark Bowers
 * Erin Cardillo - Jillian Carter
 * Shalaina Castle - Sarah Miles
 * Orson Chaplin - John Portman
 * Tom Everett - Brian Cochran
 * Elizabeth Grullon - Agent Adrienne Mitchell
 * Lyn Mahler - M.E. Talia Rice
 * Travis Myers - Bartender
 * Jorge-Luis Pallo - Agent Matt Lopez
 * Rick Ravanello - Bernard Graff
 * Adam Reeser - Arvin Cole
 * Richie Stephens - Jacob DuFour
 * Aisha Tyler - Doctor Tara Lewis
 * Eugene Young - Simon Kahn

Trivia

 * The episode was originally scheduled to air on November 25, 2015, but its time-slot was moved down to a week later.
 * Despite being credited, Matthew Gray Gubler, the actor who portrays Reid, will not appear in the episode, just like the previous one.
 * This is, in fact, the fourth episode in which a main character has not appeared despite his or her actor or actress being credited as usual. The first episode was Broken Mirror, in which A.J. Cook and Kirsten Vangsness do not appear as JJ and Garcia, respectively, despite being credited. The second was 25 to Life, in which Thomas Gibson does not appear as Hotch.