Le Meurtrier on AllMovie

In this drama, two total strangers suspect each other of murdering their own wives. The trouble begins when an unhappily married architect becomes obsessed with a murder trial in which a husband allegedly murdered his wife. The architect begins collecting newspaper clippings. Although the charges against the accused are dropped, the architect is convinced that the man is guilty. He even visits the husband. After talking to him, the architect is more sure than he was before. The architect gets into trouble after his own wife's body is discovered in a ravine. The other husband, believing the architect did it, begins blackmailing him. Later the cops find the architect's collection of clippings. The husband, now convinced that the architect is out to destroy him, murders the architect.