Most of us have heard of secret societies, from sinister to benevolent. From academic to elusive. It’s likely you’ve heard of the Illuminati, a secret society supposedly pulling the strings on many global issues and events. It’s likely you’ve heard of the Freemasons, of which there are stories ranging from terrifying to charitable. But what of the ones you haven’t heard of? Below are some of the most sinister secret societies you may not have heard of.