Leonardo Messina, known as “Narduzzo,” was never considered a top-ranking figure within Cosa Nostra. His early life followed a familiar pattern: minor crimes, violence, and a steady progression into the criminal world. At just nineteen, he was already reported for fighting, and over the years he accumulated charges for theft, robbery, and drug trafficking. In 1982, he officially became a member of the Mafia family of San Cataldo, entering under the protection of Giuseppe Madonia, known as “Piddu,” one of the most powerful figures in the province of Caltanissetta. Despite this connection, Messina remained, at least outwardly, a second-level man, not a boss, not a decision-maker—just someone inside the system.

He tried to maintain a parallel life, opening a butcher shop and later working as a miner in Pasquasia, but the criminal world remained central. In 1984, he was arrested for the murder of a local drug dealer and initially sentenced to sixteen years in prison, only to be definitively acquitted in 1991. Once free, he returned immediately to Mafia activity, moving between drug trafficking and violent operations, eventually leading a network that extended beyond Sicily into Calabria, northern Italy, and even Belgium. His role was growing, even if his status remained officially limited.

In April 1992, everything shifted. His partner revealed to the police a planned murder against a rival within the organization, and Messina was arrested before the attack could take place. That arrest may have saved his life. Inside Cosa Nostra, suspicion and internal conflicts were constant, and he knew that a man in his position could easily be eliminated. But there was also something else. The climate in Italy had changed. The killings of judges and the tension between the State and the Mafia had reached a breaking point. According to his own account, one moment stayed with him: the words of the widow of agent Vito Schifani after the Capaci massacre.

Soon after, Messina made a decision that few expected from someone like him. He asked to meet investigators and declared his intention to collaborate. He was transferred to Rome and, on June 30, 1992, began giving statements in front of Paolo Borsellino and other officials. From that moment, he became one of the most surprising collaborators of his time. Not because of his rank, but because of what he knew—and what he was willing to say.

His testimony quickly proved valuable. He provided information that contributed to the arrest of his former boss, Giuseppe Madonia, and helped trigger a large-scale crackdown known as Operation Leopardo, which led to over two hundred arrest warrants across multiple Italian regions. His declarations exposed networks that linked Mafia activity to politics, business, and public contracts, revealing the existence of a structured system of illegal agreements and power distribution behind public works.

But what made Messina truly stand out were his most controversial statements. He was the first collaborator to formally name Giulio Andreotti as a political reference point for Cosa Nostra, going even further than others by claiming that Andreotti had been formally initiated into the organization. He also spoke about the “Stidda,” a rival criminal structure in southern Sicily, and described a system through which public contracts were divided between Mafia groups and large companies.

His revelations did not stop there. Messina spoke about connections between Cosa Nostra, elements of the intelligence services, and sectors of Freemasonry, suggesting the existence of broader power structures behind Mafia activity. He even claimed that there had been a plan, supported by political forces, aimed at the secession of Italy, a statement that generated enormous controversy and skepticism.

Leonardo Messina was not a boss, and perhaps for that very reason, he was able to describe parts of the system from a different angle. His collaboration came at a crucial moment, in the immediate aftermath of the massacres that shook Italy, and his words opened investigative paths that would have lasting consequences. At the same time, many of his claims remained debated, questioned, or only partially confirmed.

Messina represents a different kind of collaborator: not a man from the top, but a man from inside, close enough to see, but not powerful enough to control. And when he chose to speak, he did not limit himself to crimes—he tried to describe the system behind them.

During the 1960s and 1970s, Buscetta witnessed from within the profound transformations of Cosa Nostra. Power balances shifted, alliances broke, and new figures emerged with a more violent and centralized vision of control. He was closely tied to the traditional Palermo faction, particularly to Stefano Bontate, and experienced firsthand the transition into one of the bloodiest periods in Mafia history.

With the rise of the Corleonesi, led by Totò Riina, the situation escalated into a brutal internal war. Many of the old leaders were systematically eliminated, and Buscetta himself became a target. Arrested multiple times and forced to move between countries, he saw the world he belonged to collapse. The violence was not only strategic but deeply personal: several members of his family were murdered.

It was in this context that everything changed.

In 1983, Buscetta was arrested in Brazil and extradited to Italy. There, he met Giovanni Falcone, the magistrate who would change the course of his life and, ultimately, the understanding of the Mafia itself. Unlike others, Falcone managed to establish a relationship based on trust and deep understanding of the Mafia system. Buscetta decided to speak.

For the first time, a member of Cosa Nostra described from the inside how the organization truly worked: its families, districts, the Commission, its rules, and its internal mechanisms. His statements brought clarity to a structure that had long remained fragmented and difficult to prove.

His testimony played a crucial role in the Maxi Trial of Palermo, a historic turning point in the fight against the Mafia. His words became a foundational element of the prosecution against hundreds of defendants.

In the years that followed, Buscetta continued to cooperate with authorities, providing further insights into Cosa Nostra and its internal dynamics. He spent the rest of his life under protection, far from Italy.

He died in the United States on April 2, 2000.

His legacy remains complex and controversial. He was both a man of the Mafia and one of the key figures who helped reveal its structure to the world.

Without his testimony, the history of the fight against Cosa Nostra would have been very different.