He was also sentenced for the murder the young son of state witness Santo Di Matteo, Giuseppe, who had been kidnapped and killed after 779 days in a failed attempt to force the father to retract his testimony on the killing of Antimafia judge Giovanni Falcone.
One of Graviano's subordinates Gaspare Spatuzza, who turned pentito in 2008, has confirmed Giuffrè statements.
In October 2009, Gaspare Spatuzza, a Mafioso turned pentito in 2008, confirmed Giuffrè statements.
Later, pentito Gaspare Spatuzza claimed to have repented for his participation in the incidents.
Gaspare Mutolo | Gaspare Spontini | Gaspare Spatuzza | Gaspare Pisciotta | Gaspare Matcovich | Gaspare Landi, ''Veturia | Gaspare D'Amico |