The ADL, must have long forgotten its roots (their own personal history), or blatantly ignores such. I will post link to said article in references below.

ADL's key points. With challenges in bold.

• Origins: Çirca 1970; fully developed by early 1980s
  Origins of the sovereign notion began in Israel, sometime as only there was ONE law at that time. It was used for 400 years (before the split), it was rediscovered some 200 years later by Anglo Saxons.

• Ideology: Anti-government, some white supremacist elements
  Ideology: Creator's law is supreme, Country is a republic built upon laws, racial supremacy is diametrically impossible.

• Outreach: Vigilante courts, seminars, shortwave radio, the Internet, "schools of common law"
  Notable Episodes: 1996 Montana Freeman standoff; 1997 Republic of Texas standoff Tactics "Paper terrorism," including frivolous lawsuits, frivolous liens, fictitious financial instruments, fictitious automobile-related documents, and misuse of genuine documents such as IRS forms; various frauds and scams
  Outreach: a diverse group of professionals whom have self educated themselves with American history, law, common law, that frown upon the Federalist war against our Nation. Sovereigns use a wide variety of mediums to educate others, Youtube, Steemit, Web Publications, word of mouth, Books. We have spoken in detail, the functions of IRS,FR, IMF, etc in detail. So really the various frauds and scams are the ones our Federal government sets forth.

• Paper Terrorism-Yet despite a pattern of violent activity, the preferred weapon of members of the sovereign citizen movement is what has come to be called "paper terrorism." Paper terrorism involves the use of fraudulent legal documents and filings, as well as the misuse of legitimate documents and filings, in order to intimidate, harass and coerce public officials, law enforcement officers and private citizens. Many paper terrorism tactics originated during the days of the Posse Comitatus, but were refined and popularized in the 1990s and distributed in books, during seminars and through the Internet.
  If the use of Federally furnished documents is illegal such as W-8, then why did the Federal government issue them? The real paper terrorism occurs when legislature writes bills and "laws" ad nauseam, our Federal government has not only issue paper warfare but engages in it daily. Tricking national citizens to claim they are "statutory" or "US citizen" or "federal citizen" forfeiting in many manners constitutional rights. Further eroding and distancing themselves from freedom. Freedom can never be obtained via elected officials, especially when our currency is lent into circulation. Where we capable of shrinking Federal governments influence, we shall find...when the cause of National calamity is gone, so too is all the corruption, all the injustices against people, restoration of liberties. Cause and effect.

Culpa paena par esto. Let the punishment be proportioned to the crime. -Bouviers Maxim of law

References

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https://www.adl.org/resources/backgrounders/sovereign-citizen-movement