Jigsaw John

St. John enlists a local sheriff to help hunt down a woman suspected of murdering an small-town real estate promoter found dead in a Los Angeles motel.

John goes undercover in a sanitarium to investigate reports of elderly patients being bilked and murdered.

St. John investigates the murder of a Texan who'd recently moved to Los Angeles and finds a world of cheating wives, greedy art dealers, and opportunistic gigolos.

A murder leads St. John to another case when he discovers a link between a woman killed by plastic explosives planted in her car and an electronics firm.

St. John and Sam argue when a strange teenager claims to have witnessed a murder. While St. John dismisses her as an emotionally disturbed attention-seeker, Sam believes she's genuine.

St. John searches for a serial killer dubbed "The Executioner" and rages when Sam's reporter/ex-girlfriend reveals information about the case on television.

A criminologist, whose speciality was the rehabilitation of parolees, is killed and his research assistant assaulted, leaving St. John to piece through the man's work to find a suspect.

The darker side of the swinging lifestyle is revealed to St. John after a woman is shot and killed at a party by a sniper.

A barber, who was a bookie on the side, gets murdered, and John has to track down all customers from both jobs to figure out who was the murderer.

An actress is murdered and the suspects lining up include a has-been director, an old star, a clerk and a priest.

There's a jewel thief and murderer loose in an upscale L.A. hotel and St. John's been assigned to find him.

A man and his estranged brother are heirs to a fortune, and one becomes the prime suspect when the other is murdered.

After a recording artist is killed, St. John begins sifting through the dregs of the music industry for a lead.

A body missing for a long time finally shows up, only along with it, evidence that the police framed the man who went to jail for the murder.

In the wake of a bank robber's return to Los Angeles, St. John investigates the murder of a witness to the man's crimes and tries to protect the remaining witnesses.