Today’s edition of True Crime Christmas week: The Casey Anthony case, covering how the media became obsessed with the case, the significance of the defense’s opening statement, the truth about the computer searches, what Casey Anthony is doing now, and more. Watch NOW: | Megyn Kelly

The Megyn Kelly Show's Hot Crime Summer week series closes with Paul Holes, former cold case investigator who helped solve the Golden State Killer case, who joins to talk about the evolution of the Golden State Killer, how he went from serial burglar to serial killer, his police work and intelligence, the significance of "Bonnie," why he was a "psychological sadist," the way he'd continue to contact his victims through phone calls, what separated the Golden State Killer from BTK or the Zodiac ki