In the wake of Joseph Smith Jr.'s murder in 1844, his following splintered. Some followed a maverick Mormon apostle, Lyman Wight. Sometimes called the "Wild Ram of Texas," Wight took his splinter group to frontier Texas, a destination to which Smith, before his murder, had considered moving his followers, who were increasingly unwelcome in the Midwest. He had instructed Wight to take a small band of church members from Wisconsin to establish a Texas...