Yes, I do remember the drama surrounding the shooting and the ow's role in all of it. However, it appears that something has shifted in the relationship between the mother and daughter if they were waiting at the hospital for the baby to be born. I do understand your concern about the ow's daughter and the baby and I'm sure you'll hear how things went.
I don't think you need to move to another part of the state, but you do need to implement some boundaries when it comes to your xh and his texting you, etc.
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.
