The Murderer with the Silk Scarf () is a 1966 West German-Italian crime film produced and directed by Adrian Hoven (who also appeared in the film), and starring Carl Möhner, Folco Lulli, Helga Liné and Harald Juhnke.
Peeking through a mail slot, a little girl sees her mother being murdered by a man, but she is unable to identify the killer. When the police investigate the murder, the killer decides to eliminate the little girl since he knows she is the only witness to the crime.