Its because its not a police movie, and these group didn't refer to themselves as Mafia...they referred to themselves as family (in Sicilian "Cosa Nostra" meaning "our thing" or "thing of ours").
You will hear "Family" plenty in the movie ("never tell anyone outside the family what you're thinking") even in the article, the mystery caller who threatens not to make the movie says:
>“Get the fk outta town. Don’t shoot no movie about the family here. Got it?”
You will hear "Family" plenty in the movie ("never tell anyone outside the family what you're thinking") even in the article, the mystery caller who threatens not to make the movie says:
>“Get the fk outta town. Don’t shoot no movie about the family here. Got it?”