sentences:  He and his three brothers became members of the Sicilian Mafia Commission for the Brancaccio-Ciaculli mandamento, substituting Giuseppe Lucchese who was in prison.Graviano was among Mafia bosses linked with the murders of the Antimafia judges Giovanni Falcone in the Capaci bombing and Paolo Borsellino in the Via D'Amelio bombing.After the arrest of Mafia boss Totò Riina in January 1993, the remaining bosses, among them Giuseppe Graviano, Matteo Messina Denaro, Giovanni Brusca, Leoluca Bagarella, Antonino Gioè and Gioacchino La Barbera came together a few times (often in the Santa Flavia area in Bagheria, on an estate owned by the mafioso Leonardo Greco).