Katherine Grandjean, "Kingdom of Devils: A Tale of Murder in the Shadow of the American Revolution" (Random House, 2026)

About this episode

Kentucky, 1798: A harrowing series of murders begins. The first body, discovered by cattle drovers, lies bloody at the bottom of a ridge. Then another—a dead boy staring up from a sinkhole. Bodies turn up along roadsides, stuffed into brush. They float to the surface of muddy brooks. For nine terrifying months, over hundreds of miles of Kentucky and Tennessee countryside, the terror unfolds. The killers—two men with hazy backgrounds—are brothers, named Wiley and Micajah Harp. The Harps killed dozens, but why they did it has eluded folklorists and historians for generations. Almost every story imagines that their motive was pure bloodlust, but for historian Katherine Grandjean, that’s too…