I heard she was pregnant. For all we know, the gunman may have told her to leave and if she didn't he would shoot the children.
He probably did say that. I'm sure the instinct would be to run and get HELP.
Exactly, these women may have thought it was better to leave since this perp may have told them if they don't they wou;d shoot the kids. How are these women to have known what this sick man was going to do?