On July 30, 1975, former Teamsters President Jimmy Hoffa stood outside the Machus Red Fox Restaurant in Bloomfield Township, Michigan, impatiently scanning the parking lot. The man who had made the Teamsters the most formidable labor union in the country was already angry. It was quarter after two in the afternoon, and the men he was supposed to be meeting for lunch hadn’t arrived yet. Hoffa was a stickler for punctuality, and it was his understanding that they were to meet at 2:00. Wearing a dark blue short-sleeve shirt, blue pants, white socks, and black Gucci loafers, Hoffa walked...