Hitchcock Film Famous for Death in Motel Shower

Puzzle 6 of Words with Pros and Cons Pack

Question is: Hitchcock Film Famous for Death in Motel Shower

and the answer is: PSYCHO

Word Meaning:

PSYCHO — (colloquial or derogatory) Psychotic, psychopathic, or (broadly) otherwise insane.

Definitions from Wiktionary.