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


After an undercover DEA agent is murdered and two others go missing, the BAU joins the NSA to investigate an underground Internet drug syndicate that is possibly involved in the crimes. Meanwhile, Hotch uses the investigation as an opportunity to bring the team closer to finding the Dirty Dozen hitmen ring.

Guest Cast

Referenced Criminals


  • "I'll Be By Your Side" by Cathy Heller

Bookend Quotes

  • Aaron Hotchner: "The enemy is within the gates. It is with our own luxury, our own folly, our own criminality, that we have to contend." — Marcus Tullius Cicero


  • 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 in the opening sequence, Matthew Gray Gubler, the actor who portrays Reid, doesn't appear in the episode, just like the previous one.
  • In a list of Libertad Cartel members compiled by the DEA, the name Chester Hardwick can be seen. The name was previously used in the Season Three episode Damaged for a prolific serial killer.
  • Lyn Mahler, the actress that portrayed M.E. Talia Rice, previously appeared in the Season Five episode A Rite of Passage, in which she portrayed an unnamed Medical Examiner.

Criminal Minds Episodes