The Rider of the Law (1935)

Bob Marlow is sent undercover to an Arizona town where an outlaw gang comprised of the six Tolliver brothers have taken over the town and terrorizing the citizens He comes to town posing as an Eastern dude and through a series of incidents manages to get rid of three of the brothers mostly through their own ineptness The remaining brothers decide to getwhilethegettinis good rob the bank and head for the Mexican border But Bob isnt far behind