Someone They Knew: Repeat Offender?

Encore Episode: The mystery surrounding the 2008 disappearance and death of two-year-old Caylee Anthony gripped the nation. Was she the victim of her neglectful party girl mother, Casey? Or was a darker family secret to blame? The only thing more shocking than the testimony from the trial of Casey Anthony was the verdict itself.

When Lisa Guy failed to show up for work after Thanksgiving weekend, a wellness check led to a discovery straight out of a horror movie; the bodies of Lisa and Joel Guy were dismembered and scattered across the house. A handwritten journal, dubbed by prosecutors as the “Book of Premeditation,” led police to arrest someone incredibly close to the victims: their own son, Joel Guy Jr.

Vinnie Politan examines whether the love triangle involving Isaac Apodaca, Kiara McCulley, and Grace Jennings fueled toxic jealousy that allegedly led to Grace’s death.

A former roommate of Trinity Poague takes the stand and details text messages between the two. Poague allegedly texted 'I want to love (J.D.), but instead... I just feel like angry.' Doctor sentenced to 2.5 years for Matthew Perry's death.

The case against Bradly and Cortney Bartholomew, Rebecca Park’s mother and stepfather, charged with murdering her and cutting her unborn child from her womb, is examined. Plus, updates in the trial of teenage pageant queen Trinity Poague, who is facing charges in connection with a toddler's death.