I knew my daughter-in-law was evil, but nothing could've prepared me for the abuse my granddaughter suffered at her hands. I warned a social worker she'd kill her. Now TAMMY RISEN asks, why did no one listen? ⊖⊖⊖
'We kept fighting for custody but when Averylee was three, the family court made the decision to give Britney full-time custody.. I turned to the social worker and said: "You've just killed my grandd…