"I am the Whistler and I know many things, for I walk by night. I know many strange tales, many secrets hidden in the hearts of men and women who have stepped into the shadows. Yes, I know the nameless terrors of which they dare not speak..." These words followed by a whistling that was distinctive and well-remembered recalls one of the best mystery crime series of the past. Eminating for all its life from the West Coast this broadcast had a run of almost 13 years. Aired over the CBS radio network it was sponsored for much of the time by the Signal Oil Co.