The Black Lash (AKA Thundering Trail)

In this sequel to the 1948 film, Frontier Revenge, U.S. Marshal Lash LaRue goes undercover in pursuit of ‘Deuce’ Rago (Ray Bennett), who was recently released from prison and now serves as the head of a gang hijacking silver from nearby mines. Deuce hires Lash, who is thought to have turned outlaw, in order to find out who has being robbing from his own gang.