Hi Leah, I must say that I have never experienced such a thing before in my 28 years of being a Christian. In fact, I can't recall reading about anything like that in the news, secular or Christian.
If I would ever see this kind of behavior personally, I would do everything in my power to stop it and bring the "Christians" (if that's what they actually turn out to be) who were acting in such a manner under the discipline of the church .. or of the secular authorities if a crime was committed.
I, once again, am very sorry for the terrible life it sounds like you've been subjected to at the hands of those who call themselves, "Christians". Quite frankly, they sound like a "cult" to me because the kind of behavior you describe in the OP is often used by people like that who want to regularly exert control over their "flock".
--David