F.B.I. La Cosa Nostra File.
October 9, 1963 Sam Giancana (LCN leader in Chicago) is extremely apprehensive of being subpoenaed before the McClellan Committee hearings on organized crime.

October 16, 1963 Sam Giancana has issued instructions to all political associates to discontinue their practice of attending weddings and funerals of hoodlum families.