 Calderone and Di Cristina recognised the danger.Calderone was challenged by Nitto Santapaola in Catania, while Francesco Madonia, not to be confused with his relative Francesco "Ciccio" Madonia, wanted to eliminate Di Cristina in the province of Caltanissetta.On November 21, 1977, Di Cristina survived a shooting, but his most loyal men Giuseppe Di Fede and Carlo Napolitano were murdered by the Corleonesi.