IMDb
7.1 /10
259 votes

TV Movie · Mystery · Drama · Thriller · Horror · 1974 · 1h 4min
Married college professor Michael Lane falls in love with one of his students and hatches an elaborate scheme to dispose of his wife, Elizabeth. His murder plot goes as planned. However, he soon receives an anonymous note: "I know what you did, murderer!" Prof. Lane frantically tries to discover who knows his secret...
Sign in and build your archive. The best notes get written right after the credits roll.
Sign in → top right
Associated Television











No streaming info for United States at the moment.
IMDb
7.1 /10
259 votes
Rotten Tomatoes
The tomato isn't ripe
Metacritic took the day off
TMDB
7.5 /10
2 votes
Letterboxd
Letterboxd didn't respond
Weighted average
7.3/10