Bagarella killed police chief Boris Giuliano as well as a nephew of Tommaso Buscetta , one of many of Buscetta 's relatives to die since he betrayed the Mafia . Two of Bagarella 's brothers were also Mafiosi ; his elder brother , Calogero Bagarella , was shot dead on December 10 , 1969 , in the Viale Lazio in Palermo , during a shootout with rival mafioso Michele Cavataio and his men , known as the Viale Lazio massacre . A second brother , Giuseppe , was murdered in prison in 1972 . Bagarella 's own wife , Vincenza Marchese , was the sister of Giuseppe Marchese and the niece of Filippo Marchese , a notorious killer and high-ranking member of the Corleonesi
Viale Lazio massacre
Viale Lazio massacre
Leoluca Bagarella