As Prentiss and Morgan are driving together, a tall palm tree can be seen in the background when they pass a side street. There are no palm trees in the District of Columbia.
The title of this episode ("Valhalla") is the hall in which Odin received the souls of slain heroes.
Rossi: You know you haven't had a vacation in a while, weren't you talking about Italy?
Prentiss: My mother extended her trip there; it would not be much of a vacation.
Rossi: It's a big country.
Prentiss: Not big enough.
Prentiss: He is just a kid, can't be more than 25.
Morgan: A kid with an assault weapon isn't just a kid anymore.
Morgan: What happened? You pull a Whiskey Pete?
Prentiss: I don't know what that is, but if it involves getting puke on your boots, then yeah.
Prentiss: Journalist Dorothea Dix wrote, "Confession is always weakness. The grave soul keeps its own secrets, and takes its own punishment in silence."
Prentiss: Lao Tzu said, "When I let go of what I am, I become what I might be."
Original International Air Dates:
Czech Republic – June 19, 2012 on Prima family
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