Willard's Visibility Versus Knapp's Invisibility

We travel back in time to 1670s Massachusetts to review the famous case of the so-called Satanic possession of 16-year-old Elizabeth Knapp — which took place twenty years before the Salem Witch Trials. In this bonus episode, Sarah and producer Carolyn Kendrick talk to professor Elisabeth Ceppi to find out more about possession in Puritan America.