John Doe laws dating back to the 19th century in Wisconsin allow DAs to hold secret panels, compel people to give testimony and turn over documents. To take advantage of the loopholes was Prosecutor John Chisholm, a partisan hack who had a vendetta against Scott Walker. The corruption extends to judges, police officers, lawyers and to at least one newspaper, the Journal Sentinel. In a September 9, 2014 article, former Milwaukee police officer Michael Lutz, who for several months served as an unpaid special prosecutor in Chisholm’s office, said that Milwaukee County DA John Chisholm, a Democrat, told him in...