You are asking a psychology question. There is no law requiring kids to lie so their mother stays with an abusive parent. Also, this forum is for people with current legal problems; Lawyers donate their time in an attempt to help people who have nowhere else to turn. This is not for philosophical questions.
To bring this matter up in court, you will need an expert witness to explain behavior to the judge or jury. Ask your attorney to contact Dr. Karen Okla, here in Michigan, who often testifies as to memory, child witnesses, and propensity to lie.
We do not have a client/attorney relationship until you make an appointment, we discuss your case face to face, I accept a retainer, and we explictly agree to enter into representation.
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