Valley of Vengeance

By the numbers-type summary, for those who don't care who played what, finds this one opening with the shooting of two prominent town-officials by Billy Carson ('Buster CRabbe'), who as a youth witnessed a band of outlaws, led by the prominent citizens, massacre his and Fuzzy's parents who were members of a wagon train heading west. In retrospect,Billy tells his story to the Marshal about how the members of the covered-wagon trek, trusted an attorney who stole their money and then bought his gang to wipe them out and gain their promised lands, to make a fortune for himself and his henchmen. - IMDb