If she is in a dangerous situation then she can up, leave and run... once she is settled somewhere go straight to the court and get a restaining order. Ensure that she is very specific of the abuse. If she has proof then she will be ok.. if not, well, it may be harder but not impossible.
I do not know the specific answer to your question as I believe that all parties have a right to all information especially that which is being used in court. However, that is step two.. first step is to get away from him and get a r/o
Then, call around a few local attornies ask them how to proceed.
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SMILE - Start Making It Livable for Everyone
Divorce is a process over which children have no control. Children should not be its victims.
When parents are under stress, it is harder to be in touch with their children's pain and anguish.
It takes time, effort, and planning on the part of the parents to be able to provide for the children's needs.
In the crisis of divorce, parents may put their children on hold while they attend to adult problems first.
Sometimes separating/divorced parents find that their roles and expectations are undefined and cloudy.
If handled properly, divorce need not be devastating for children.