Frontier Investigator
- साल: 1949
- देश: United States of America
- शैली: Action, Western
- स्टूडियो: Republic Pictures
- कीवर्ड: brother, murder, mail
- निदेशक: Fred C. Brannon
- कास्ट: Allan Lane, Black Jack, Eddy Waller, Roy Barcroft, Gail Davis, Robert Emmett Keane
