Last month, about a dozen people gathered in the basement of a church in Champaign, Ill. to learn how traumatic experiences affect the lives of children and young adults, and what they can do to mitigate its effects.

His name was Devon McClyde, and he was 16 years old when he was caught in the crossfire of an argument while playing basketball one evening in a local park in Danville on June 8, 2016.