Most likely he's not being extradited to Italy because mafia association is not a crime in the US or Canada.
Being part of a criminal association is a crime in the US.
Mafia association is not a crime in the US. To simply know a mafioso is not a crime. To associate with one, is not a crime. Because of this he will not be extradited to Italy, unless they pull a Rosario Gambino on him, but that's doubtful.
