The Ghosts of Moral Panics Past
Historical document of the day: an excerpt from the 1994 video Law Enforcement Guide to Satanic Cults.
Via Laughing Squid. If you want to learn more about the Satan scare of the 1980s and early '90s, this overview from The Skeptic's Dictionary is a good place to start. So is this classic debunking by Debbie Nathan, who later wrote a book on the subject.