When members of Maryland’s State Council on Child Abuse and Neglect (SCCAN) began in 2006 to examine what their state was doing in the realm of prevention, they discovered a gaping hole. Many participants in the 23-member Council—people working in child welfare, mental health, law enforcement and advocacy groups—knew about ACEs and about the corrosive effects of early childhood maltreatment. But they discovered, through informational interviews across different sectors and an environmental...