My niece is 13 years old and live with. Thier grandparents. On thier moms side of the family . i seen my niece for the first time in almost 2 years. Not by my choice. Her grandparents. And my niece said her grandpa is throwing her against the wall and abusing her. She is starting to cut her self for being with this family, and when her mom came over. All she did was holler at her. And look like she was on drugs by the way she was twitching everywhere. Please help me. What do i need to do to help get her out of there.