The Young Savages (1961)

After a Puerto Rican teen is murdered by three white adolescents, the case comes to Assistant District Attorney Hank Bell (Burt Lancaster). Realizing that he used to date the mother (Shelley Winters) of one of the suspects, he wonders if the boy is his son. Despite Bell's personal involvement, the district attorney (Edward Andrews) keeps him on the case. However, as Bell discovers street gang involvement in the case, he and his wife (Dina Merrill) begin to face physical threats.