In the Gunsmoke radio episode Buffalo Killers, Marshal Matt Dillon investigates a series of violent encounters between settlers and a group of ruthless buffalo hunters. Tensions rise as the hunters, driven by greed, disregard treaties and provoke conflict with Native tribes. Dillon must navigate the dangerous frontier politics to bring justice and prevent further bloodshed. The episode highlights the moral complexities of the Old West, blending action with thoughtful storytelling.