 Landis tried the case in Rockford, and found all guilty, sentencing all but three to a year and a day in jail, the maximum sentence.The prisoners were ordered to register for the draft after serving their sentences—except 37, whom he ordered deported.On September 5, 1917, federal officers raided the national headquarters, in Chicago, of the Industrial Workers of the World (IWW, sometimes "Wobblies"), as well as 48 of the union's halls across the nation.