After the death of Sam Giancana, investigators found that he had plenty of enemies, and lots of reasons to look over his shoulder. Neither the Chicago Outfit nor the CIA were pleased that he agreed to testify about his criminal activity. But authorities had little to go on because nobody was talking.
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Mafia Boss Murder: Sam Giancana Pt. 2 | Unsolved Murders: True Crime Stories podcast - Listen or read transcript on Metacast
