Frontier Investigator
- Ár: 1949
- Land: United States of America
- Genre: Action, Western
- Stúdíó: Republic Pictures
- Lykilorð: brother, murder, mail
- Leikstjóri: Fred C. Brannon
- Leikarar: Allan Lane, Black Jack, Eddy Waller, Roy Barcroft, Gail Davis, Robert Emmett Keane
