Trusting, You handled the situation exactly the way you, as her mother, should do. I do hope that she's okay and I'm happy that she felt safe enough to speak to you about it. What in the heck is your xh thinking about?
I am keeping you both in my thoughts and prayers.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.