The Case Against Brooklyn is a 1958 film directed by Paul Wendkos. It stars Darren McGavin and Margaret Hayes. It was based on a True Magazine article I Broke the Brooklyn Graft Scandal by crime reporter Ed Reid. It featured depictions of American police corruption though no police officer in uniform is shown to be corrupt.
ExMarine Pete Harris, formerly with Military Intelligence is taken out of his Police Academy due to his experience to work undercover to investigate police corruption.
Source: Wikipedia