The murder of a TSA agent leads the team to hunt down a killer who is using drug mules to exploit airport security checkpoints.
- Berserk Button: OA loses his cool in the interrogation room when Afghan terrorist Abdul al-Halil taunts him over the thousands of Afghan civilians killed in U.S. military operations.
- Shell-Shocked Veteran: Discussed by OA when Nina expresses her concerns that his obsession with Tamir is affecting his judgement.Nina: "I think you need to talk to somebody, okay? OA, this obsession that you have with Tamir, it's unhealthy, and it's affecting our case."OA: "Okay, I know it might be hard for people like you to understand this, Nina, but not everybody that went to war came back with PTSD or needs therapy."
- Therapy Is for the Weak: Averted. At first, OA is defensive over Nina's concerns about his well-being, arguing that "not everybody that went to war came back with PTSD or needs therapy". In the end, after successfully thwarting the terrorist plot and a heart-to-heart talk with Nina, OA decides to revisit his therapist so he could finally heal from his war experiences.
