MFer to your CPS worker and your qualifier! But Hammer is right. Papertrail. Just make a big papertrail. Cops, Criminal Case, restraining order, arrest, CPS review, counselors, whatever you can document. Play the game for the papertrail.
My DS is a good student and has hardly needed parenting. When I discovered 'good' kids may be coping mechanisms due to being in an addict's home I thought, "Great now I feel guilty and worry because I have a GOOD kid!"