Brandon Gerner, who reportedly founded a white supremacist group while behind bars, allegedly killed a horse to honor his friend. Washington Department of CorrectionsHowever, roughly a month after the alleged slayings, Olsen died following a shootout with sheriff’s deputies in Pierce County, Washington. “He (Lemon) was killed in the most senseless way possible,” Delanie Greer-Breakall, the horse owner’s daughter, told the Tacoma News Tribune. Karen Greer, Lemon’s owner, found the dead animal. Gerner killed the horse to honor fellow gang member Kody Olsen.