In the year since the shooting, Yarl, a Staley High School senior, is doing more than just recovering. Ralph YarlHis community now includes the Brain Injury Association of Kansas and Greater Kansas City (BIAKS-GKC). Yarl family Ralph Yarl with his aunt (left) Faith Spoonmore and mother (right) Cleo Nagbe. Pilkinton said some people don't realize that a brain injury can be an invisible disability with a non-linear healing process. Yarl thanked the Brain Injury Association for honoring him in their upcoming Memorial Day run, "Going the Distance for Brain Injury."