Frontier Investigator
- İl: 1949
- Ölkə: United States of America
- Janr: Action, Western
- Studiya: Republic Pictures
- Açar söz: brother, murder, mail
- Direktor: Fred C. Brannon
- Oyuncu: Allan Lane, Black Jack, Eddy Waller, Roy Barcroft, Gail Davis, Robert Emmett Keane
