Robert Culp guest stars as a ruthless motivational research specialist who uses blackmail to further his career in “Double Exposure”.

Realizing his blackmail victim Victor Norris (Robert Middleton) plans to turn him in to the District Attorney, Dr. Bart Kepple (Culp) slays Norris. He then lays the groundwork to frame the victim’s wife (Louise Latham).

Columbo’s investigation sends him on a crash course to learn the uses of subliminal stimulus to capture his suspect. (1973)