A group of hooded vigilantes hang wrong-doers with a rope stolen from Scotland Yard’s Black Museum.
A strangler is loose on a British estate, and he not only strangles his victims but brands an “M” onto their foreheads before he decapitates them.
Dr. Mabuse has been locked away for years in an insane asylum. Suddenly crimes start occurring and no one knows the culprit. A detective goes to visit the Doctor to…
