Vigilante

After his wife and son got brutalized by a street gang, and a corrupt criminal justice system puts the perpetrators back on the street, a NYC factory worker teams up with a vigilante group to find some measure of bloody justice.

Vigilante is a 1983 crime thriller movie directed by William Lustig, starring Robert Forster, Fred Williamson, Rutanya Alda. It holds an IMDb rating of 6.5/10 from 5,354 votes and runs 1h 30m.