Introduction
Every year, more than 2,000 children in the U.S. die of maltreatment[1]—and, in most of these cases, the child’s family is known to child welfare or law enforcement before the fatal incidents. Most Americans agree that the main goal of the child welfare system should be to prevent these tragedies—by closing the gaps that lead to children being left in the custody of guardians who abuse and neglect them.
— Read on manhattan.institute/article/the-radical-push-to-dismantle-child-protective-services

Here is the New York State report: Examining the New York Child Welfare System and It’s Impact on Black Children and Families.