Columbo: A Trace of Murder

A millionaire's being threatened with a lawsuit by a man he did business with. When he gets into a fight with the man, his trophy wife is more embarrassed than concerned about her husband. Now she can't divorce her husband because of a pre-nuptial agreement. And if she kills him, she would be the prime suspect. So she along with her lover decides to kill the man who is suing her husband and frame her husband. Which they do. When Columbo investigates the murder, one of the forensic people helping him is the woman's lover. Written by