A murder's clues indicate a cop.

Mannix tracks down stolen jewels also wanted by a blind hood.

In possession of a piece of evidence, Mannix is shot and left for dead.

A double set-up puts Lt. Malcolm behind bars.

A girl disappears, and Mannix investigates her Vegas connection.

On vacation, Mannix discovers a hit operation.

A plane crash is followed by murder attempts.

Mannix probes a journalist's murder.

A premonition is the only clue.

An actress claims a bizarre murder attempt.

An open and shut case gets padlocked.

A psychiatrist who treats sociopaths is supposed to have committed suicide.

Bribery money is taken in a robbery.

An escaped convict saves Mannix's life.

An old girlfriend makes Mannix the man in the middle of rival smugglers.

A clueless investigation goes on pluck.

The ravages of heroin.

A quiet town is ruffled by Mannix in his search for a missing youth.

A little girl is killed leaving no identity.

An opera diva emerges from retirement and is met with inexplicable attempts on her life.

A search inquiry proves hazardous, and Mannix finds his client is a ringer.

The patriotic resistance finds a traitor amongst them.

A patriot in a dictatorship needs medical help.

A street gang plots to do Mannix in to make a name for itself.