![Frontier Investigator Backdrop Image](https://image.tmdb.org/t/p/w1280/1o6NOcKWTRHkpIHg4X0zg8aIGR1.jpg)
Rocky Lane, out to find the murderer of his brother, runs into a battle between two stage lines for a mail contract.
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![Frontier Investigator Movie Poster Image](https://image.tmdb.org/t/p/w500/wOGx9kEsHwR0fleDZvEUyD4Shih.jpg)
Released
May 1, 1949,
Director
Fred C. Brannon
Cast
Allan Lane, Black Jack, Eddy Waller, Roy Barcroft, Gail Davis, Robert Emmett Keane
Genre
Action, Western