A wealthy local official who has seized land from ranchers and corrupted the Rio Lobo sheriff. He is secretly revealed to be Union traitor Sgt. Major Ike Gorman. McNally confronts him, forces him to return the stolen deeds, but Ketcham is ultimately killed by Sheriff Hendricks during a gang war.
Delaney views Ketcham as responsible for her employer's death.
Primary antagonists locked in a land rights battle.
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