Nancy Grace: A shocking and grim discovery leads to a tragic ending. When will we see justice for J.J. and Tylee? Who murdered these innocent kids in cold blood?

Nancy Grace: This decades-long story spans from icy Idaho to sunny Hawaii, with 'cult mom' Lori Vallow at the epicenter of it all. We dig into the string of mysterious deaths and end-of-world predictions leading up to the tragic deaths of J.J. and Tylee.

Nancy Grace: Just when you think it can’t get any crazier, it does, with driveby shootings, shotgun Vegas weddings, and a deadly 'avenging angel.' We connect the dots of 'cult mom' Lori Vallow’s innermost circle.

It's a tragic end to a twisted tale as the remains of 'cult mom' Lori Vallow’s children, JJ and Tylee, are found buried on their stepdad's property. Nancy Grace investigates the complex web of mysterious deaths, doomsday beliefs, and grim discoveries.

Doomsday, death and deception: Nancy investigates 'cult mom' Lori Vallow. Plus, inside sources reveal new bombshell information.