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I am sorry to hear about this situation.
My daughter is still custodial parent, right?
Well, probably not for long. If the father is moving for for custody, he is likely moving for permanent custody, meaning to modify it for the foreseeable future. Given her situation, she would be unlikely to be able to successfully defend herself. She can always attempt to modify the custody (as he is going so now) later once she gets out, but then this would be a separate matter.
What do we do as I as so afraid for my ganddauhter's safety and well being.
Someone in your situation can consider becoming a party to the case for custody. In Missouri, the Court may place the child with the grandparent if the Court finds each parent (mother and father) is unfit, unsuitable, or unable to be a custodian, or, the welfare of the child requires placement with the grandparent and it is in the minor child’s best interest.
Let me know if you need an explanation of how to add one's self as a party.
The Court decides on custody based on the rule of thumb of "best interest of the child." This includes, but is not limited to, general stability of the parent, financial stability, indoctrination of the child in the current school and environment, household condition and living condition of the child, other persons living in the house, etc.
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