Nick Warnock

When a series of murders are linked to a serial killer who was executed a year ago, the BAU must find the connection between him and the current killing spree.

In the second hour, they investigate another murder when a father and son find a frozen body in a pond while ice-fishing. When the man is identified as a rival hockey player Booth fought with during a recent game, he becomes the main suspect. FBI Agent Payton Perotta (guest star Marisa Coughlan) is brought in to assist Brennan with the investigation. As Booth gets back onto the ice, he receives some advice from one of his hockey idols, former Los Angeles Kings star Luc Robitaille.

Following Helen’s murder, Raylan (Timothy Olyphant) looks to bring the killer to justice as he struggles to keep his dad, Arlo (Raymond Barry), from taking revenge. And when Mags Bennett (Margo Martindale) realizes that she’s been double crossed, she targets Boyd (Walton Goggins) in an all out war for control of Harlan County.

The CIA recruits House to help an agent dying of an unknown illness; Foreman faces resistance from the remaining fellowship candidates when they question his judgment.