When the team arrives at the unsub's house and Reid steps out of the car, Matthew Gray Gubler is wearing unmatched socks, which is the actor's trademark.
The opening scene of this episode almost exactly mirrors the kidnap scene in the movie Taken, including some of the dialog, the girl hiding under the bed with a cell, a bad guy entering the room and her scream.
Prentiss: "I'm for truth no matter who tells it. I'm for justice no matter who it's for or against." Malcolm X
Morgan: "Equality may perhaps be a right, but no power on earth can ever turn it into a fact." Honore de Balzac