I have never met anyone who considered themselves part of any “Sovereign Citizen” movement. I know libertarians who work toward increasing liberty, but never have I heard the phrase “sovereign citizen” used by any libertarian I’ve known to describe themselves. Yet law enforcement at all levels constantly warn against the threat of these nonconformist rabble-rousers. Despite all the hand-wringing by police, these “sovereign citizens” seem to be about as commonplace as the “homegrown terrorist”, or the unicorn.
Here is Reason’s Brian Doherty on the needless pants-wetting that goes on at the mention of the “Sovereign Citizen”.