Down Dakota Way

 Down Dakota Way  is a 1949 American Trucolor Western film directed by William Witney starring Roy Rogers.

Plot
Roy Rogers is called in to investigate after the murder of a veterinarian by a rancher named McKenzie (Roy Barcroft) who is illegally selling cattle with hoof-and-mouth disease.

Cast

 * Roy Rogers as Roy
 * Dale Evans as Ruth Shaw
 * Elisabeth Risdon as Miss Dolly Paxton
 * Roy Barcroft as Mac McKenzie
 * Byron Barr as Steve Paxton
 * Montie Montana as Sheriff Holbrook