At one point, the unsub points a handgun at one of her prisoners, and we hear the sound of a hammer being cocked; however, the unsub's gun is a Glock. Glocks do not have hammers. They make the same error three times.
Bobby tells Hotch and Rossi that when Maeve made the reservation at the restaurant, he showed up too. Only Maeve didn't make the reservation, Reid did.
Reed defines the term "zugwang" as meaning "the point in a game when a player realizes he'll inevitably be checkmated." This is not correct. "Zugwang," meaning "disagreeable obligation to move," describes a position in which a player whose turn it is to move would be better off if it were his opponent's turn instead. A player in such a circumstance is said to "be in zugwang."