- Derek Morgan: [opening quote, voiceover] "We are all brothers under the skin. And I for one would be willing to skin humanity to prove it." - Ayn Rand.
- Derek Morgan: You think I don't know how bad you want this guy? I was a uniform, just like you. I saw a lot of cops go down. Before that, I watched my father get shot. He was killed doing his job, a cop's job. So don't think I don't know.
- Derek Morgan: [closing quote, voiceover] "For he today who sheds his blood with me shall be my brother." - William Shakespeare.
- Aaron Hotchner: The shooter established what we call a signature. Something he did during the murders that wasn't actually necessary. Not part of his m.o., but identical in every attack.
- Lt. Evans: Being in a gang shortens your life expectancy, so it's no big surprise when a gangbanger ends up dead.
- Fight Club Captain: Ain't breakin' no laws here, Officer. Agents. No matter what it looks like.
- Emily Prentiss: I think he's trying to let us know they have the right to be idiots.
- Lt. Evans: They do, but not here. Listen up, folks! This warehouse is not private property. It is owned by the city, which means you all are goin' to jail.
- Aaron Hotchner: So you have arrested the wrong person?
- Commander Marks: I brought in a viable suspect for questioning! I had to do something!