West of Rainbows End (1938)

Tim Hart Tim McCoy a former Texas Ranger comes out of retirement to avenge the death of Lightnin Ed Frank LaRue his foster father who had been sent to Rainbows End to investigate a series of train robberies He senses that George Johnson Walter McGrail and his henchman Speck Bob Kortman head the robbery gang especially after Speck makes an ambush attempt on his life