On November 14, 1885, a cold autumn day in the City of Broad Shoulders, an enthusiastic crowd of several hundred watched as three Sicilians--Giovanni Azari, Agostino Gelardi, and Ignazio Silvestri--were hanged in the courtyard of the Cook County Jail. The three had only recently come to the city, but not long after they were arrested, tried, and convicted for murdering Filippo Caruso, stuffing his body into a trunk, and shipping it to Pittsburgh...