My grandmother and I watched a western movie some time ago and we cannot remember the name. As I remember the plot, there were two brothers (maybe half brothers?). One was dating someone Native American or partly. The other brother was out on some sort of trip or horse wrangling mission and kills another Native American (after racing with him - I think he pushed him off a cliff or something) in the brother's girlfriend's tribe. The brothers girlfriend knows/has witnesses, but no one believes her at the trial and the bad brother is let off. He ends up getting arrested again after fighting and I
