History's Greatest Mysteries
Airing | 3/10, 1:00a
S7 E6 | The Murder of Sam Giancana
1h 3m|TVPG|History, Documentary, Mystery|2026
The notorious mafia kingpin Sam Giancana is shot execution style in his own home. The larger-than-life mobster had many enemies, from inside the mafia to the CIA. Was his death a crime of passion? The result of unpaid debts? Or part of an alleged government coverup for a presidential assassination? Why was Sam Giancana killed, and who ordered the hit?