Desc: Sibling Warrior: Healing My Brother's Autism: With Zack Peter, Ej Quesada, Ethan Quesada, Nancy Quesada. When Zack Peter found out his younger brother Ethan, was diagnosed with autism, he made it his mission to ensure Ethan will one day live an independent life. Together, he and his family work hard to make sure Ethan has the same opportunities as other kids his age, giving him a bright future. Follow their journey in Sibling Warrior. Zack, the oldest, has been working alongside his mother, Nancy, advocating for the cause since Ethan (aka "Deets") was diagnosed with autism in 2005. After receiving a bio medical treatment grant for Ethan from Generation Rescue in 2010, Zack has helped his mother find the best resources available to support Ethan. EJ, Nancy's second oldest son, has also been a brave sibling warrior, helping his parents take care of Ethan on a day-to-day basis. Follow their journey in Sibling Warrior.