Madness Rules - 1947 - 6/10
AKA - Matto Regiert
Doktor Laduner thinks young Kaplaun can soon return to society.
The asylum director, a bullying tyrant, thinks otherwise.
New methods clash with severe discipline – until the director is murdered.
Enter police inspector Studer.

Murder in a madhouse suggests all manner of themes.
This goes the procedural route, with the inspector asking provocative questions and keenly observing.
Patients and their maladies are backgrounded. This is not Mabuse.