He has deleted his tweet bragging about it, but people are confirming that the judge was actually arrested.

They’re starting witu a low level county judge, they will escalate.

The US federal government just abducted a member of the Wisconsin judiciary who was duly elected by their voters under the normal process that state has used for decades. If we didn’t have this whole Constitution thing binding us together (which, like, do we still have that thing?) everyone would call that an act of war.