An important part of Messina’s testimony was information on how the Mafia maintained its grip on construction and public-sector contracts in Sicily, which some experts suggest is the Sicilian Mafia’s greatest source of income.
A significant portion of Messina’s testimony included details on how the Mafia maintained its control over construction and public-sector contracts in Sicily, which some specialists propose is the Sicilian Mafia's most lucrative source of income.