You can best go about this by hiring a lawyer. You describe an extremely contentious and complicated legal proceeding. CPS does not make appealable orders, judges do. The CPS workers, witnesses and reports are potentially evidence. It would be impossible to try to teach you how to navigate a contested family law proceeding alone. It is learned in law school and years of experience. Please consider hiring an attorney to assist you.
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I agree with Ms. Langford and want to expand on her answer a bit. CPS did not make a custody determination; rather, your wife can use this report and the CPS caseworkers as evidence in your divorce. While these determinations have been made, they are not binding or final in terms of keeping you from having custody.
However, they are given some hefty weight by the judge. You do have a chance to disprove CPS's allegations in Court via your own testimony and evidence that you can present. However, this gets very, very complicated and I would strongly recommend consulting a local attorney.
In Galveston County recently, the district attorney's office has started prosecuting parents for making false allegations to CPS and abusing their role. It might be worth discussing with the D.A. where you live.
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