In the fall of 2009, Amy Lutz and her husband, Andy, struggled with one of the worst decisions parents could possibly face: whether they could safely keep their autistic ten-year-old son, Jonah, at home any longer. Multiple medication trials, a long procession of behavior modification strategies, and even an almost year-long hospitalization had all failed to control his violent rages. Desperate to stop the attacks that endangered family members, caregivers,...