i don't remember it, but did they left it in the final shot? they should have if they didn't because it was so random but somehow it doesn fit hotch to say that in such a serious voice.
MGG: "Have you filled JJ's spot yet?" TG: "No, I haven't" MGG: "It"ll be kinda hard to go out into the field with out a communications liaison" TG: "Worry about your hair" MGG: "Okay, I will" MOST BEAUTIFUL THING EVER
