- anti hero
- balloon
- based on article
- beggar
- blindness
- burglar
- capture
- chalk
- child murder
- child murder investigation
- children's song
- cigarette smoking
- crime detection methodology
- criminal
- cuckoo clock
- dead children
- early sound
- false accusation
- fingerprint
- german expressionism
- german noir
- germany
- good versus evil
- handwriting
- interrogation
- investigation
- kangaroo court
- killer
- knife
- knife murder
- leitmotif
- letter
- long take
- loss of daughter
- lynch mob
- man hunt
- mirror
- mob
- mock trial
- murder
- musical whistling
- office building
- one letter title
- orange
- organized crime
- paranoia
- pickpocket
- police
- police raid
- poverty
- prostitution
- psychopath
- public domain
- round table
- schoolgirl
- screaming
- serial child killer
- serial killer
- shop window
- shouting
- store room
- tavern
- torture
- tragic villain
- trial
- underworld
- urban setting
- whistling
- whistling killer
- window dressing