Criminal Minds Wiki

"Internal Affairs" is the ninth episode of Season Eleven and the 242nd overall 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, who portrays Reid, doesn't appear in the episode. This is actually the 14th of 29 episodes in which characters are credited despite not appearing in the episodes. The others are:

Criminal Minds Episodes