I am very concerned about how my mother is being handled by my sisters and they have now cut me off of financially monitoring my mother's bank account after 11 years. They are being secretive and will not talk to me and will not allow me to talk to my mother. Do I need to take legal action and where do I begin? Last year my mother was tested and given mild Dementia medication in February and at the end of the month my oldest sister secretly had my mother give her a cashier's check for $47K. She told me after the fact. She repaid it but the issue is she complained my mother was not in her right mind but was enough to loan her money.