Manyu Scroll (2011)

S2E8 The Specialist

Starsky, Hutch, and two other officers rush to the scene of a jewelry store robbery, but chaos ensues, resulting in the accidental shooting of a woman by one of the officers. The victim's husband, a retired Special Agent with a paranoid streak, becomes convinced that the police are actually hired assassins targeting him. Fueled by a desire for vengeance, he begins plotting his retribution against the officers he believes are responsible for his wife's death.