The Testament of Dr. Mabuse (1933)

Inspector Lohmann investigates a vast criminal conspiracy birthed in a mental asylum. There, he meets Dr. Mabuse, a once-brilliant criminal mastermind now deemed insane. Mabuse's detailed crime plans eerily align with recent real-world crimes. As Lohmann delves deeper, he uncovers a web of hypnosis, ghostly influences, and a hidden criminal network led by a mysterious figure orchestrating chaos from the shadows.