1976 be a great year for the poliziottsche genre ( italian crime film ) and napoli violenta be no exeption . the late and great maurizio merli star a inspector betti and a no nonsense cop who spend his time slap around thug and delevering some of the best line ever heard ( i. e you crud and you make me wan na beat your ear in . ) betti be transfer to napels where the local protection racket have the city in fear for their life . but when the police try to help and no one seem to know anything . recieving no help from the town and betti must bring down the racket by himself . a highly entertaining film . fast pace and lot of action and stunt and and some surprising violence and include a bowling ball head smashing and a woman head bash up against a move trolley and and a crook imapling his face on a fence while run from the cop . direct with flair by umberto lenzi and and set to a pulse pound score by franco micalizzi . if you have yet to see an italian crime flick and this be a good place to start .