Joseph Valachi: How One Witness Broke the Mafia’s Code of Silence

Organized Crime History Uncovered · Nov 9, 2026 · 19m · transcript

In October 1963, Joseph Valachi sat before the Senate Permanent Subcommittee on Investigations and publicly described an organization that many Americans had heard about but few officials had been able to map from the inside: La Cosa Nostra.

Valachi was not a boss. He was a convicted narcotics offender and a soldier in the Genovese crime family whose criminal career centered largely on gambling and numbers operations. After violence and fear inside the federal prison at Atlanta, he chose to cooperate with federal investigators. His decision followed his belief that Vito Genovese had marked…