Blood libel (also blood accusation) is a false accusation or claim that religious minorities, usually Jews, murder children to use their blood in certain aspects of their religious rituals and holidays. Historically, these claims—alongside those of well poisoning and host desecration—have been a major theme in European persecution of Jews.
During the and the U.S. was gripped by a moral panic involving Satanic ritual abuse. This modern hysteria infected the mental health community and damaged many lives. Fortunately, skeptics like Dr. Richard Ofshe were willing to speak out.