In the Spring of 1861 Union soldiers invaded Kentucky, Tennessee and Virginia. The war was new there. But, in the volatile Trans Mississippi-West Theater the conflict was much older. Long before Fort Sumter, Unionist Jayhawkers and Confederate Bushwhackers killed with religious fervor along the Missouri-Kansas frontier and deep in the isolated Arkansas hills. Atrocities cloaked in partisan allegiance had made enemies of family and friends in a place...