Richard Irving

A professor, who has been paralyzed in an attack by mob hitmen, builds a suit that enables him to walk and fight crime.

A Romani antique dealer, who is also a private detective, gets involved in a murder case when one of his colleagues is accused of committing the murder.

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