The Range Busters (1940)

In the first of the Range Buster series, a mysterious phantom is murdering the hands at the Circle T Ranch and the owner sends for the Range Busters just before he too is killed. They quickly run into trouble with Torrance and his gang. Torance is after the Circle T but Crash doesn't think he is the phantom. Instead he suspects it may be blind Uncle Rolf. When the phantom strikes next, Crash is ready and his identity is soon revealed.