Lori Vallow: Mental Illness or Motive to Murder?

In our third episode of this series covering  the Lori Vallow and Chad Daybell case, we take a look at what has unfolded since the bodies of J.J. Vallow and Tylee Ryan were discovered, including possible explanations for why it happened, why mental illness may have nothing to do with it, and how the children's deaths have touched so many of us.