Joseph Filkowski ("John Blake") (d. 1931) was a Polish-American gangster in Cleveland, Ohio. A longtime figure in Cleveland's underworld, Joseph Filkowski led the Polish bootlegging gang, the Flats Mob. In October 1930, he and two other gang members held a police officer captive during the gangs hold up of the Dixie Shoe Company, relieving him of both his gun and uniform. Wikipedia
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