How many movies have Carlo Maietto and Vincenzo De Leo collaborated on?

They have worked on 3 movies together! Their first movie together was Il brigadiere Pasquale Zagaria ama la mamma e la polizia (1973) while their highest rated movie together was San Babila-8 P.M. (1976). They have not worked together since San Babila-8 P.M. (1976). They are most known for their crime films together.