On March 23 , 1993 , La Barbera , Antonino Gioè and Salvatore Bentivegna were arrested in Milan . The police taped them while they were planning bomb attacks . La Barbera started to collaborate with the authorities in November 1993 . La Barbera confessed his participation in the slaying of Antimafia judge Giovanni Falcone . He followed Falcone 's car as it sped toward Palermo , keeping in constant touch with Leoluca Bagarella , Antonino Gioè and Giovanni Brusca on the hillside near Capaci . Brusca set off the explosion . He also admitted to have been involved in the killing of Salvo Lima , the former mayor of Palermo
the slaying
Capaci bombing
Gioacchino La Barbera