Jimmy Hoffa in his green Pontiac Grand Ville at 1:15 p.m. Before heading to the restaurant, he stopped in Pontiac to talk to his close friend Louis Linteau, a former president of Teamsters Local 614 in Pontiac, who at the time ran Airport Service Lines, a limousine service. Linteau and Hoffa used to be enemies but had since mended their differences and by the time Hoffa left prison, Linteau became his unofficial appointment secretary. It was well known in both underworld and labor union circles that Linteau acted as a buffer for Hoffa and that if anyone needed a face-to-face meeting with
Jimmy Hoffa assaulted. The threats from the mafia that they would get rid of Hoffa were taken very seriously; Hoffa's son is quoted as saying "Dad was pushing so hard to get back in office, I was increasingly afraid that the mob would do something about it." There had been three visits in a short time frame to Hoffa's home at Lake Orion and one trip to the Guardian Building law offices by Anthony Giacalone, an alleged kingpin in the Detroit Mafia, and his younger brother, Vito. Friendly with Provenzano and believed to be related to him, their avowed purpose in coming