The Posse Comitatus (Latin, "force of the county") is a loosely organized, far-right social movement in the United States starting in the late 1960s, whose members spread a conspiracy-minded, anti-government and anti-Semitic message in the name of white Christians to counter what they believe is an attack on their social and political rights.
Many Posse members practice survivalism and played a role in the formation of the armed citizens' militias in the 1990s. The Posse Comitatus pioneered the use of false liens and other types of "paper terrorism" to harass opponents with frivolous legal actions.
Developing strong ties to the white supremacist Christian identity movement, they believe themselves to be the true Israelites, chosen by God, and they state that the Jews seek to help Satan destroy civilization, and undermine white citizens' rights by means of the Federal Reserve and the Internal Revenue Service.
Posse charters were issued in 1969 in Portland, Oregon, by Henry Lamont Beach, "a retired dry cleaner and a one-time member of the Silver Shirts, a Nazi-inspired organization that was established in America after Hitler took power in Germany." William Potter Gale has been described by one expert as the founder of the movement.
Posse members believe that there is no legitimate form of government above that of the county level and no higher law authority than the county sheriff. If the sheriff refuses to carry out the will of the county's citizens: