1. She just found out that she knew the victim. So sue her if she doesn’t have her words together in the middle of all the emotion coming out of her at word of that news. 2. It seems that she knew BOTH of them. Sandy was the brother who worked for the station, Katrina was his sister. She likely met Katrina through Sandy. 3. At this point, it doesn’t matter how many kids she had, just that her kids are now without a mother.