<p>In the 18th century, the stories of witches, ghosts and vampires were taken for the true records, not for legends. In the documents of those times, the mentions of the dead risen from the tombs were often recorded alongside with the mentions of natural disasters like floods and fires. Yet, even in those times, there were doubts about the reality of such episodes. The society needed a tool to tell a true record of vampirism or witchcraft from t...