Full of terrible twists and unsettling turns, the Hinterkaifeck Murders are one of the world's most chilling mysteries. What was the motive for such a night of terror? We search for answers with Edward Chilvers, author of, "Footsteps in the Attic: A True Account of the Slayings at the Hinterkaifeck Farmstead". Due to some of the nightmarish elements of the story, listener discretion is advised.