GT-4 Demonologist John Zaffis

Mark Nesbitt and Laine Crosby interview Demonologist John Zaffis. In this segment, Zaffis discusses the discipline of demonology and his role with the Roman Catholic Church and exorcisms. He talks about the very involved evaluation process with cases of demonic activity and its history with the church. He also sheds light on how the environment is often involved.