The Wildcat of Tucson (1940)

When his brother Dave is put in jail, Bill Hickok returns to help him. Dave has been charged with attempted murder when the other man drew first. Judge Barlow put him there and Bill gets the Judge to confess. Bill learns that Rance McKee is behind all the trouble and he forces the Judge into the decisions he wants. So Bill heads out by himself to face McKee in the showdown.