Some of the 11 militiamen charged in armed standoff appeared in court Tuesday One has refused to give his real name, saying only that he is a 'free Moor' All refused to enter pleas or cooperate, saying they are not subject to US law 'Rise of the Moors' group is part of the sovereign citizen movement Members were arrested after fleeing from police into woods outside Boston They face several charges including unlawful possession of a firearm