The Criminals Attack. The Police Respond(1977)

Original title: La malavita attacca... la polizia risponde!

Returning from Switzerland to Rome, the boss prof. Salviati, called 'The Prince', finds his business compromised by Rudy, a small local bandit full of presumption, audacity and men ready to kill. Commissioner Baldi a young and brave employee, will fight against them with the help of an ex-employee Rampelli.