Alex Cox, Vallow Daybell’s brother, killed Vallow and later said he acted in self-defense. Cox died of a blood clot a year later, as the Deseret News previously reporte

An Arizona jury has convicted Lori Vallow Daybell of conspiring to kill her former husband in 2019, the latest conviction for the Idaho mother who has already been found guilty of killing her two youngest children and conspiring to kill her husband's first wife.