From experience, do not say many negative things about the cult. This can move her away from you. If you feel you must, make it generalities, such as asking her to think about certain ideas, without bringing the cult into it.
You can always leave negative literature around, but let her pick it up. She is already being controlled by someone else, if she starts to feel that, and thinks you wa
Forum:
Large Group Awareness Training, "Human Potential"