Starsky & Hutch (1975)

S1E2 Texas Longhorn

Zack Tyler, a prosperous used-car dealer, and his wife pull over to assist two men who appear to be experiencing car issues. Unfortunately, the men are actually criminals who rob Zack and brutally assault and kill his wife. Starsky and Hutch utilize their underground connections to hunt down the two killers, unaware that Zack is determined to exact revenge on those who took his wife's life by taking matters into his own hands.