The Secret of the Black Widow

When two men are shot dead with bullets shaped like a black widow spider, intrepid London newspaper reporter Wellby (O.W. Fischer) determines to get to the bottom of the mysterious killings. But Wellby gets more than he bargained for when his investigation unearths a strange connection to a Mexican expedition whose leader fell victim to a lethal black widow spider bite. Karin Dor and Klaus Kinski co-star.