Here is Carla Mitchell describing what happened Sunday night when she and husband Bill were in Las Vegas celebrating the weekend of her birthday at the Route 91 Harvest Festival. (Note: The cell phone audio is not good at the beginning — it improves during the conversation) Thanks to Carla and Bill for sharing their story with Fox Country.
https://soundcloud.com/104-9-the-fox/bill-and-carla-mitchell-in-vegas-during-shooting