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.

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.