On December 11, 1978, a gang of thieves lifted around $5 million in cash and $800,000 in jewelry from a luxury airline hangar at New York's JFK Airport, marking the largest heist in U.S. history at that time. The authorities interview employees and find a connection to local mafia bosses… but every time they close in on a potential suspect, that suspect ends up dead. Almost 50 years later, they still haven't found all the culprits-or the goods. So, who orchestrated the Lufthansa heist?