A time during Cosa Nostra boss Matteo Messina Denaro's three decades as a fugitive from Italian justice, when he was at the peak of his nefarious powers.A time during Cosa Nostra boss Matteo Messina Denaro's three decades as a fugitive from Italian justice, when he was at the peak of his nefarious powers.A time during Cosa Nostra boss Matteo Messina Denaro's three decades as a fugitive from Italian justice, when he was at the peak of his nefarious powers.