 Greco tried to convince them not to go ahead and offered Di Cristina to emigrate to Venezuela.Nevertheless, Calderone, Badalamenti and Di Cristina decided to go on and Francesco Madonia was murdered on April 8, 1978, by Di Cristina and Salvatore Pillera (from Catania, who was dispatched by Calderone).In retaliation, Di Cristina was killed in May 1978 by the Corleonesi.