If you have reason to believe you've been reported, go to their house first, and drop off your children. Deny the State your children, and you may have a fighting chance in dealing with false accusations. You may also prevent physical and emotional abuse to your children while they are foster care. Cultivate wise and experienced friends. Most attorneys are NOT tv-show scions of conscience and competence.
Most attorneys are creatures of the system who feel success is a plea bargain.
Your chance of finding a good attorney is greatly enhanced by looking early and thoroughly. You may try the Martindale-Hubble directory of attorneys, available in the research section of your library. The book ranks attorneys by specialty and by assigning letter grades to overall performance. You will want to screen several attorneys over the phone. Interview two or three at length.