There is more to child abuse than bruises, rape and starvation.
27 states allow withholding life saving medical treatment from children if you tell people your religion forbids it . Criminal and civil immunity means it is not murder when the child dies.
A few years ago, Kansas State Rep Gail Finney vowed to pass a bill that allowed caregivers to leave bruises and cause bleeding. Arkansas State Rep Charles Fuqua promoted the death penalty for rebellious children (based on religious grounds).