BlitztheDragon 
So I learned a bit more about those guys that plotted to overthrow the German government. Apparently they're part of the "Reichsbürger movement," a loose network of right to far-right groups claiming that the German government is illegitimate and that the German Empire in its pre-WW1 borders is the only "real" Germany. In practice, most of its followers are Neo-Nazis and/or trying to get out of a speeding ticket.