Demons (1985)

A group of people are trapped in a large movie 
theater in West Berlin that is infected by ravenous 
demons who proceed to kill and posses the humans 
one-by-one, thereby multiplying their numbers. 

Urge to Kill (1960)

A psychopathic killer murders three girls before police catch him. 

She Walks by Night (1959 Germany)

She Walks by Night (1959)
Die Wahrheit über Rosemarie
L'amour, c'est mon métier
Love Now, Pay Later
La verdad sobre Rosa Maria

Based on the life and murder of German call girl Rosemarie Nitbritt.