A 21-year-old convicted for his role in murdering an 18-year-old has been sentenced to three life terms in prison.
The Franklin County Commonwealth's Attorney said Aaron Seth Dean pleaded guilty to the first degree murder of Allyn Gray Riddle in July, along with seven other felonies.
Franklin County Commonwealth’s Attorney A.J. Dudley said Dean and Riddle knew each other from school and overlapping social circles.
During a taped interview with investigators, Dean told them he wanted to obtain weapons so that he could engage in vigilantism and confessed to investigators that he planned to steal firearms from the Riddle resident.
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