sentences:  Carrollo responded by refusing any warrants and sending his gunmen to harass the agents.However, on October 20, 1939, Carrollo, Higgins, and Tom Pendergast were convicted of income tax evasion and sent to Leavenworth Federal Penitentiary in Leavenworth, Kansas.While at Leavenworth, Carrollo was discovered trafficking in contraband within the prison and was transferred to Alcatraz, the high security prison in San Francisco Bay.