Robert A. Stemmle

A girl is almost murdered, but no explainable motive can be found until a 20 year old murder is uncovered and linked to the case.

German Police Inspector Lohmann investigates a string of crimes resembling Dr. Mabuse's M.O. but Mabuse is in Professor Polland's care inside an insane asylum.

Mobsters conspire to loot another criminal's treasure secured in an enormous booby-trapped vault.

The leader of a Hitler Youth group arrives in a village to organize the local teenagers into a Hitler Youth branch.