River Runs Red (2018)

Charles Coleman is a respected judge who along with his wife has devoted his life to law enforcement. The couple are thrilled when their son is accepted into the police academy. But everything changes when their boy is shot and killed by two corrupt cops during a routine traffic stop. The official investigation finds no wrongdoing but Charles' trusted friend Detective Horace finds evidence to the contrary. Joining forces with an anguished mechanic whose son was killed by the same cops, Charles decides to take the law into his own hands.