- Narrator: [Opening Narration] A major problem for Wyatt Earp, now that he was the Marshal of the cattle-owning town of Ellsworth, Kansas, was the Thompson Brothers. They were gun slinging terrors of the frontier, and brother Bill was wanted for the murder of a Sheriff. Unless Wyatt Earp could rid Ellsworth of these killers, and alone, he faced complete loss of influence as a Marshal.