Turk 182! (1985)

After New York City firefighter Terry Lynch is unable to receive any compensation for an injury incurred during the off-duty rescue of a young girl, he grows suicidal. Furious, his brother Jimmy attempts to have Mayor Tyler intervene, but the corrupt politician instead denounces Terry as a drunk. Determined to get justice, Jimmy begins a graffiti campaign of embarrassing slogans mocking the mayor, which soon captivates the city.

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