: Twelve years prior, the expedition leader, Professor Alfons Avery, allegedly died from a black widow spider bite after discovering Aztec treasure .
: Survivors of the expedition, who used the treasure to build a successful media empire, are now being killed with poison-tipped darts . Das Geheimnis der schwarzen Witwe (1963) (Franz...
: Intrepid, often alcoholic journalist Wellby (played by O.W. Fischer) and his researcher sidekick (Eddi Arent) investigate the killings alongside the police . Production & Style The Secret of the Black Widow (1963) - IMDb : Twelve years prior, the expedition leader, Professor
: The killer fires these darts using an air pistol, and the projectiles are uniquely shaped like plastic black widow spiders . : Twelve years prior