Like most mafiosi, Filippo Marchese was very elusive, and the primary source of information about his career in crime comes from Vincenzo Sinagra, an informant [REF].
Sinagra was arrested on August 11, 1982 when he was caught red-handed carrying out a contract killing, and after a year in custody he decided to become an informant and cooperated with the anti-Mafia judge Paolo Borsellino [REF].