John Mabray’s Gambling Ring
During March 1910, the United States Attorney General in Council Bluffs, Iowa charged John C. Mabray (a version of his actual name, Mabry) and a dozen defendants with using the mail to commit gambling fraud in professional boxing, professional wrestling, and professional horse racing. Mabry, a livestock dealer living in Kansas City, Missouri, employed insiders in boxing, wrestling, and horse
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