The Case of the Positive Negative Perry Mason : Season 9 Episode 28

Retired general Roger Brandon is set to head an anti-crime commission to investigate racketeering in a notoriously corrupt town. Rackets boss George Emory claims to have compromising photos of Brandon's young wife, Laura. Emory threatens to launch a smear campaign against Laura unless Brandon refuses the assignment. Brandon calls Emory's bluff and accepts the assignment but then Emory turns up murdered. Guess who gets charged with the crime?