The Secret of the Black Widow (1963)

Name: The Secret of the Black Widow
Genre: Crime
Released: 1963-11-28
Duration: 100 min
Cast: O.W. Fischer, Karin Dor, Doris Kirchner, Werner Peters, Eddi Arent

Someone is killing people related to a South American expedition. The means of murder are poison darts with rubber spiders attached to them. A writer and some police detectives investigate.