cmariecola:
This does seem to fit a familiar pattern of cult involvement.
I am very sorry to learn of your situation.
See [
www.amazon.com]
This new book focuses on cults, abusive controlling relationships and how families can cope with a loved one involved in such a situation. It outlines strategies to respond and offers a detailed understanding of the manipulation involved.
You might find this book very helpful in sorting through and coping with the situation you are facing now.