Frank Serpico, a rebellious New York City detective, blew the whistle on numerous corrupt officers and survived a shooting in the face. He often went undercover to expose corruption, employing unconventional methods to achieve his goals, and worked closely with Lieutenant Sullivan.
Serpico
Maverick detective Frank Serpico, who exposed corruption in New York City and was shot in the face, frequently went undercover to root out wrongdoing, often posing with his distinctive scruffy look and long hair.