Taylor Sheridan's Most Evil Dutton Villain Lived 32 Years Before Kevin Costner’s Antihero

John Dutton III (Kevin Costner) faced plenty of enemies in Yellowstone, but his ancestors' nemesis in 1923 was the vilest villain the Dutton family ever faced. In Yellowstone season 5, John was murdered by mercenaries hired by Sarah Atwood (Dawn Olivieri) and Market Equities.