A look at the "sovereign citizen" movement - (CBS) - 60 Minutes

This is a story about a group of Americans you've likely never heard of: they're called "sovereign citizens." Many don't pay taxes, carry a driver's license or hold a Social Security card. They have little regard for the police or the courts, and some have become violent. -- The FBI lists them among the nation's top domestic terror threats. -- A look at the "sovereign citizen" movement -- Anti-government "guru" explains doctrine -- Who are "sovereign citizens"?