§ 411. Findings and purpose. Abused and maltreated children in this state are in urgent need of an effective child protective service to prevent them from suffering further injury and impairment. It is the purpose of this title to encourage more complete reporting of suspected child abuse and maltreatment and to establish in each county of the state a child protective service capable of investigating such reports swiftly and competently and capable of providing protection for the child or children from further abuse or maltreatment and rehabilitative services for the child or children and parents involved.