巴勒莫省
In June 1996 Di Carlo decided to collaborate with the Italian authorities. He was transferred from his United Kingdom prison to Rome. He was hailed as the "new Buscetta". Di Carlo mentioned several politicians to be members of Cosa Nostra, among others: the Christian Democrat politician Bernardo Mattarella, the former president of Sicily Giovanni Provenzano, and Giovanni Musotto, father of Francesco Musotto, former president of the Province of Palermo who has been accused of Mafia association.