MARION, Ind. (WOWO): Guilty: that's the verdict reached in the case of a Marion man charged in the death of a 2-year-old. A jury Wednesday night found Donald Riddle guilty of: Neglect Resulting in Death, Possession of a Controlled Substance, and Possession of Marijuana, according to our partners in news at 21 Alive. The 27-year-old Riddle was charged in the death of 2-year-old Arianna Carmack, who was found unresponsive in February of 2013 with burns and bruises.