Maria McCann

While investigating a series of murders of entire families in Hampton, Virginia, the BAU is forced to visit Red Onion Supermax Prison to seek advice from one of the most atrocious killers from the team's past, nicknamed "The Fox," who delivers a portentous message to Agent Hotchner.

The doctors are faced with the consequences of the events at April's wedding; Alex reacts to the news about his father; Callie and Arizona make a decision about their relationship.

Jeff (Patrick Warburton) is given an opportunity to "live it up" during a night out on the town, landing Russell (David Spade) in hot water and Adam (Oliver Hudson) to reflect on the details surrounding his impending nuptials. Meanwhile, Audrey (Megyn Price) invites Jennifer (Bianca Kajlich) to a wedding and experiences a surprising upside to the last "stage" of her husband's drunkenness.

The Unit is called in to protect the new Drug Minister of Mexico from assassination during his trip to Los Angeles, an assignment which suddenly includes rescuing his wife and children.

As Emily fights to clear Jack's name in and out of court, newlyweds Nolan and Louise receive a visit from Officer Ben Hunter.