 After a deadlocked election, the seating of the "Dio locals", the unseating of the "Dio locals", a grand jury investigation, several rulings by President Beck, and a successful lawsuit by Lacey, Lacey withdrew from his re-election bid and O'Rourke was elected president of the Joint Council.Although more paper locals established by Dioguardi petitioned for membership in the Joint Council, the Teamsters dismantled nearly all the "Dio locals" by mid-1959.Beginning in 1955, the Permanent Subcommittee on Investigations of the U.S. Senate Committee on Government Operations began holding hearings into labor racketeering.