Jimmy Hoffa 1961, Hoffa's second term as Teamsters' president. Anthony Provenzano, once a friend of Hoffa but now an enemy, threatened to kidnap and hurt Hoffa's granddaughter. Hoffa called Provenzano "crazy". In 1973 and 1974, Hoffa talked to him to ask for help in supporting him for his return to power. Provenzano refused to listen and threatened Hoffa by saying he would pull out his guts and kidnap his granddaughters. Hoffa could not afford to take these threats lightly: at least two of Provenzano's political opponents were believed to have been murdered. Others who had spoken out against him had been physically
Jimmy Hoffa his younger brother Robert F. Kennedy as Attorney General. Robert Kennedy had been frustrated in earlier attempts to convict Hoffa, while working as counsel to the McClellan subcommittee. As Attorney General from 1961, Kennedy pursued the strongest attack on organized crime that the country had ever seen, and he carried on with a so-called "Get Hoffa" squad of prosecutors and investigators. In 1964, Hoffa was convicted in Chattanooga, Tennessee of attempted bribery of a grand juror, and was sentenced to eight years. This case resulted from an earlier matter, the Test Fleet case, the trial for which had been held