The film follows Mark Lewis (played with unsettling softness by Karlheinz Böhm), a shy camera assistant by day and a serial killer by night. Traumatized by a father who used him as a human guinea pig for "fear experiments," Mark now seeks to capture "genuine, unadulterated fear" on film.

When released Peeping Tom in 1960, he didn't just release a movie—he effectively ended his own career. Critics at the time were so repulsed by its "nauseating" themes of voyeurism and violence that they suggested the film be "shoveled up and flushed swiftly down the nearest sewer".

Today, it is hailed by directors like Martin Scorsese as a visionary masterpiece that redefined the horror genre. The Story: A Deadly Gaze

His method? He murders women with a hidden blade in his camera tripod, forcing them to watch their own terror in a mounted mirror as they die. Why It Matters

The Camera as a Weapon: Why Peeping Tom (1960) Still Terrifies