OMG! Talk about having some nasty bad luck in a neighborhood! I am so sorry to hear this news.
I don't think I would share this news w/your girls right now. They may not stay very long in the neighborhood if the OM2 can't find work. Sometimes sitting quietly and allowing things to play out is actually doing the right thing.
For now, just sit quietly. I know your GF would like to throttle her, but she can't let on she knows of her and her situation.
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.