A mousy heiress murders her brother, pretending she thought he was a burglar. Lt. Columbo unravels her alibi.

A wealthy art collector is murdered, and all signs point to a robbery gone wrong. But the nephew's alibi is a little too convenient, and Columbo pulls a fast one to ferret out the killer.

A war hero shoots and kills his business partner; an easily manipulated young divorcée is the only witness.

When the CEO of a private detective agency threatens the wife of a publisher with blackmail and she threatens to expose him, he accidentally kills her.

When one member of a mystery writing team wants to break from his less talented partner, she becomes the victim in a real-life murder mystery.

A brilliant tort attorney gets rid of her boring husband by faking his kidnapping and keeping the ransom. The FBI may be fooled, but not Columbo.