In the media, Vizzini was often depicted as the "boss of bosses" – although such a position did not exist in the loose structure of Cosa Nostra, Zu Binnu? Non è il superboss, Intervista a Salvatore Lupo di Marco Nebiolo, Narcomafie, April 2006 and later Mafia turncoats denied that he ever was the boss of the Mafia in Sicily. According to the pentito Tommaso Buscetta, the title capo dei capi or "boss of bosses" did not exist in Cosa Nostra.Arlacchi, Addio Cosa nostra, p. 106 According to author John Dickie, "the question is if Vizzini was as dominant in the Mafia as he was famous outside it."Dickie, Cosa Nostra, p. 248-53 In the matter of Mafia support for the separatist movement, other Cosa Nostra bosses sidelined Vizzini, who was considered to be tainted by his association with radical separatist leaders Andrea Finocchiaro Aprile and Lucio Tasca. These bosses wanted nothing to do with either the island's bandits or EVIS, to which Vizzini and Lucio Tasca were suspected to be connected.Finkelstein, Separatism, the Allies and the Mafia, pp. 176-78 According to the pentito Antonio Calderone Vizzini never had been the boss of Cosa Nostra of Sicily.Arlacchi, Gli uomini del disonore, p. 30
