My girlfriend is trying to get her son back from the father who currently has the kid. They lived together and the father and his mother got my girlfriend falsly arrested for family violence. She has marks from him, he doesn't, and the knife was never found. Anyways, there's that case, and a couple different cases for CPS in 2 counties with them. She called the AG and she is still listed as Primary Custodian. He keeps giving my girlfriend the runaround when she calls, makes up various things, sends lewd pictures via cell, basically emotionally hurting her. If I filed charges against him for apporaching me with a knife 1-2 years ago (with 3 witnesses), will this help or hurt any? And can I even go back that far for a charge?