Starsky & Hutch (1975)

S03E11 The Collector

A shrewd criminal eliminates a collector for a loan shark and steps into the position, gathering debts for the leader of the shady money-lending operation—a faded ex-child star. Hutch and his detective friends dig deeper, only to discover that Hutch's girlfriend's father is among those in debt to this corrupt scheme. They soon learn that the ruthless new collector is not just a common thug but a feared killer with hidden intentions...