American police officer and whistleblower (born 1936)
Francesco Vincent "Frank" Serpico ( SUR-pik-oh; born April 14, 1936) is an American retired New York Police Department detective, best known for whistleblowing on police corruption. In the late 1960s and early 1970s, he was a plainclothes police officer working in Brooklyn, the Bronx and Manhattan to expose vice racketeering. In 1967, he reported credible evidence of widespread police corruption, to no effect. In 1970, he contributed to a front-page story in The New York Times on widespread corruption in the NYPD, which drew national attention to the problem. Mayor John V.
https://en.wikipedia.org/wiki/Frank_Serpico