 Madonia was suspected to be behind the attack.In January 1978, Salvatore "Ciaschiteddu" Greco, the old and ailing former head of the Sicilian Mafia Commission, came all the way from Venezuela to try to restrain Calderone, Di Cristina, Gaetano Badalamenti and Salvatore Inzerillo from retaliating against the growing power of the Corleonesi.Di Cristina and Badalamenti wanted to kill Francesco Madonia, the boss of Vallelunga Mafia family and an ally of the Corleonesi in the province of Caltanissetta.