A notorious bootlegger who agrees to work as a bureau informant—but ultimately double-crosses them by working as a double agent for Hale. It is eventually revealed that not only did Morrison kill Anna Brown, but was also once married to an Osage woman—William Stepson’s widow—who, just like her former husband, died of a suspected poisoning. Morrison admitted, later, to killing his wife for her headright—and once imprisoned for his crimes, sought to extort money from Tillie’s children from a previous marriage.