What Was The Code of Omertà?

Of all the rules that governed the American Mafia, omerta was the most fundamental. It was not simply a rule about talking to the police — it was a comprehensive code of silence that covered every aspect of a member’s relationship with the outside world. A man bound by omerta did not discuss the organisation with his wife, his priest or his lawyer. He did not acknowledge the Mafia’s existence. He did not identify attackers to the police, even if they had tried to kill him. And he did not, under any circumstances, cooperate with law enforcement.

For the first four decades of the American Mafia’s existence, omerta held almost completely. It was the organisation’s greatest structural protection — without witnesses willing to testify, prosecutors were nearly powerless. When it finally began to break, it broke catastrophically.

The Origins of Omerta

Omerta originated in Sicily as part of the Sicilian Mafia’s code of conduct, developed over centuries in a society where the state was seen as an occupying power and self-reliance within the community was a matter of survival. The word derives from the Sicilian term for humility or submission — the idea that a man of honour submits to the authority of the organisation and resolves disputes internally, never seeking the intervention of outside authorities.

The concept was deeply embedded in Sicilian peasant culture long before the Mafia formalised it. A man who went to the police with a grievance was not just breaking a criminal rule — he was committing a profound social betrayal, marking himself as someone who could not be trusted by anyone in his community.

When Sicilian immigrants brought the Mafia to America in the late 19th and early 20th centuries, omerta came with them. It was incorporated into the initiation ceremony for new made members and treated as an absolute obligation from the moment a man was formally inducted into the organisation.

The Initiation Oath

The omerta oath was taken as part of the formal initiation ceremony — the making ceremony — through which a candidate became a full member of a Mafia family. The ceremony, as described by multiple defectors over the years, typically involved the new member holding a burning image of a saint while blood was drawn from his trigger finger. He swore loyalty to the family above all other obligations — above his own family, his church, his country. He pledged never to cooperate with law enforcement under any circumstances.

The oath bound him for life. There was no resignation from the Mafia. A made member remained a made member until he died — and if he broke omerta, the organisation intended to ensure that death came sooner rather than later.

Omerta in Practice — Frank Costello and Vincent Gigante

One of the most striking demonstrations of omerta in practice came in 1957, when Genovese Crime Family boss Vito Genovese ordered an attempt on the life of Frank Costello. The gunman was Vincent Gigante, then a young soldier who would later become one of the most powerful bosses in Mafia history.

Gigante shot Costello in the lobby of his apartment building. The bullet grazed Costello’s head — a near miss that left him alive. When police arrived and asked Costello to identify his attacker, he refused. He told the investigators he had not seen who shot him and could not identify anyone. He kept to the code absolutely, despite having just survived an assassination attempt.

Gigante reportedly thanked Costello personally as he left the courtroom. Costello’s adherence to omerta was not loyalty to the man who had tried to kill him — it was loyalty to the principle that disputes within the organisation were settled internally, never through the police.

The First Break — Joseph Valachi, 1963

The first significant breach of omerta by a made member of the American Mafia came in 1963 when Joseph Valachi, a soldier in the Genovese family, agreed to testify before the McClellan Committee — a Senate investigation into organised crime. Valachi was in federal prison, convinced that his boss Vito Genovese had marked him for death over a suspected betrayal. Facing execution either from the state or from his own organisation, he chose a third option.

Valachi’s testimony was a sensation. He was the first made member in American history to publicly confirm the existence of the organisation — which he called Cosa Nostra, meaning this thing of ours — and describe its structure, rules and initiation rituals in detail. He named names, described murders, and gave the public and law enforcement a map of an organisation they had long suspected but never been able to document.

Valachi did not directly produce criminal convictions — his testimony was too old and too general to be used in specific prosecutions. But he shattered the mythology of omerta’s invincibility. A made member had broken the code and survived.

Henry Hill — 1980

Henry Hill was an associate — never a made member, being half Irish — of the Lucchese Crime Family. Arrested in 1980 on drug trafficking charges and facing a lengthy sentence, he entered the FBI’s witness protection programme and became one of the most damaging informants in American Mafia history.

Hill’s testimony helped convict his former associates on charges including the 1978 Lufthansa heist — at the time the largest cash robbery in American history — and multiple murders. His account of life inside the Lucchese family was later published as the book Wiseguy by Nicholas Pileggi and formed the basis of the film Goodfellas. Hill lived under witness protection until his death in 2012.

Salvatore Gravano — 1991

The most damaging breach of omerta in American Mafia history came in 1991 when Salvatore “Sammy the Bull” Gravano, underboss of the Gambino Crime Family and the second most powerful figure in the most powerful Mafia family in America, agreed to testify against his boss John Gotti.

Gravano admitted to participating in 19 murders. In exchange for his testimony he received a sentence of five years. His evidence — delivered by the sitting underboss of the Gambino family, describing in detail the inner workings of the organisation, the Commission, and Gotti’s personal involvement in murders and racketeering — was devastating. Gotti was convicted on all counts and sentenced to life in prison without parole. Gravano’s testimony also generated prosecutions against 19 other Gambino members.

Gravano’s defection was the symbolic end of omerta as a functional protection for the American Mafia. If an underboss could turn, anyone could turn. The code did not hold.

The Legacy of Omerta

The erosion of omerta through the 1980s and 1990s was both a cause and a consequence of the RICO Act prosecutions that dismantled the Mafia’s leadership. RICO created sentences so severe — effectively life imprisonment — that the calculus of omerta shifted. The traditional calculation had been that staying silent was safer than talking. Once RICO made the alternative a guaranteed life sentence, increasing numbers of members made a different calculation.

The Mafia still exists and omerta still nominally applies. But the era in which it was an absolute, near-universally observed code — the era that protected the organisation for fifty years — ended with Gravano’s testimony in a federal courtroom in Manhattan in 1991.

Frequently Asked Questions — Omerta

What is omerta?

Omerta is the Mafia’s code of silence — an absolute prohibition against cooperating with law enforcement or discussing the organisation’s activities with outsiders. Originating in Sicily, it was one of the foundational rules of the American Mafia and breaking it was traditionally punishable by death.

Where does omerta come from?

Omerta originated in Sicily as part of the Sicilian Mafia’s code of conduct, embedded in a culture where the state was seen as an occupying power and self-reliance within the community was essential. When Sicilian immigrants brought the Mafia to America, omerta came with them.

Who broke omerta?

The three most significant breaches were Joseph Valachi in 1963, who first publicly confirmed the Mafia’s existence; Henry Hill in 1980, whose testimony decimated the Lucchese family; and Salvatore Gravano in 1991, whose testimony as John Gotti’s underboss sent Gotti to prison for life and generated 19 other convictions.

What happens if you break omerta?

Breaking omerta was traditionally punishable by death. In the RICO era from the 1980s onwards, as sentences became longer and more members turned informant, the Mafia’s ability to enforce the death penalty for betrayal was significantly diminished.

What is the omerta oath?

The omerta oath was taken during the making ceremony for new Mafia members, typically involving a burning image of a saint and a pledge of loyalty to the family above all other obligations. The oath bound the member for life and required absolute silence regarding the organisation’s activities under all circumstances.