Shotgun Man was an assassin and mass murderer in Chicago, Illinois in the 1910s, to which 38 murders of Black Hand extortionists were attributed. Most notably, Shotgun Man killed 15 Sicilian and Italian immigrants between January 1-March 26, 1911 between Oak Street and Milton Street of Chicago's "Little Italy" (known as "Death Corner"). In March 1911, he reportedly murdered four people within a 72-hour period, also at the intersection of Oak and Milton. Wikipedia
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