 By this time, the law was closing in as well.Colbeck and his top henchmen went on trial for two 1923 mail robberies, one of which netted the gang nearly $2.4 million US in cash and negotiable bonds.In order to pay his crew's mounting legal fees, Dint led some of the boys on the robbery of the Granite City National Bank on April 25, 1924, netting $63,000.