Underworld U.S.A.

Underworld U.S.A. also known as Underworld USA is a 1961 American neonoir film produced, written and directed by Samuel Fuller. It tells the story of a fourteenyearold boy who goes to enormous lengths to get revenge against the mobsters who beat his father to death. It stars Cliff Robertson, Dolores Dorn, and Beatrice Kay.

Becoming a secret informant for the government, Tolly ends up playing both sides against the middle in his cagey campaign to bring down the remaining mobsters. Tollys nihilistic vendetta eventually robs him of his own humanity and more.Producer Ray Stark asked Fuller to write and direct a film based on the title of a magazine article written by Joseph F. Dinneen. Fuller also was inspired by a book, Here Is to Crime, by newspaperman Riley Cooper.383384 ........

Source: Wikipedia