Caliber 9

7.5
Overview
Just out of prison, ex-con Ugo Piazza meets his former employer, a psychopathic gangster Rocco who enjoys sick violence and torture. Both the gangsters and the police believe Ugo has hidden $300,000 that should have gone to an American drug syndicate boss. Caliber 9 is the first part in Di Leo's "Milieu" Trilogy of poliziotteschi films. It was followed by "The Italian Connection" (1972) and "The Boss" (1973).
Recommendation & Similar
The Boss (1973)
The Italian Connection (1972)
Loaded Guns (1975)
Execution Squad (1972)
The Little Brother (1991)
Golgo 13: Assignment Kowloon (1977)
Black Maid (1976)
Love in the City (1953)
October Kiss (2015)
The Last Four Days (1974)
Lady in White (1988)
La Vie de Bohème (1992)
Another Day of Life (2018)
Father of the Bride (1950)
To Be Twenty (1978)
A Lizard in a Woman's Skin (1971)
Investigation of a Citizen Above Suspicion (1970)
Cops and Robbers (1951)
Rabid Dogs (1995)
Thus Spoke Bellavista (1984)