Court of Appeals of Arkansas January 24, 2018, No. CR–17–470 (Despain v. State)

Lastly, Despain presented the testimony of Dr. James Moneypenny. Dr. Moneypenny testified that he had reviewed the literature on adolescent brain development and opined that Despain had the brain development of a 13- to 14-year-old and, while not intellectually stunted, was immature in his development.