Perry Mason - Season 3 - Eps 16: The Case of the Wary Wildcatter
Charles Houston cleverly get away with killing his wife by making it look like she died in a car accident. Then a wildlife photographer shows up with the murder on film and Charles discovers that his sister-in-law has squandered all the profits from his oil well. The situation then goes from awful to good grief when the sister-in-law is found locked in a room with Houston's corpse.
About Perry Mason

Title: Perry Mason
First Air Date: 1957-09-21
Last Air Date: 1966-05-22
Status: Ended
Rating: 7.7/10 (from 123 votes)
Language: EN
Seasons: 10
Total Episodes: 271
Network: CBS
Genres: Mystery, Drama, Crime
Production Companies: Paisano Productions, TCF Television Productions, CBS
Synopsis
The cases of master criminal defense attorney Perry Mason and his staff who handled the most difficult of cases in the aid of the innocent.
Cast

Raymond Burr
Perry Mason

Barbara Hale
Della Street

William Hopper
Paul Drake

William Talman
Hamilton Burger

Ray Collins
Lieutenant Tragg