The Lone Ranger (1949)

S1E19 Greed for Gold

While exploring the Lady Luck gold mine, the Lone Ranger uncovers the murder of Sheriff Gilbert. As he delves deeper into the case, he learns that the mine's owner has also been slain. The Lone Ranger stumbles upon a crucial piece of evidence and decides to use Dusty Duncan, the mine's foreman, as bait to lure the culprits out into the open.