Patriot broadcaster William Cooper studied and uncovered the high level Freemasons in the 1990s and did a special series called Mystery Babylon--it's all about their brotherhood formation history, meaning, and satanic religious beliefs and practices.
Download for free--
Audio files
https://archive.org/details/WilliamCooperMysteryBabylonEdited
And they had him murdered for predicting 9/11 three months before it happened...
https://newspunch.com/bill-cooper-was-murdered-after-predicting-911-and-naming-osama-bin-laden-as-scapegoat/