it is golf ball-sized hail falling through a walmart roof. severe thunderstorms moved but that area but flooding has people across the south searching for nine that are still missing. in an nbc news exclusive, we spoke to a family at the center of the tragedy. reporter: a massive search effort is growing. efforts in hays county identified another flood victim. 42-year-old michelle sharba. we spoke with her sister and brother-in-law just before the tragic news. my sister is my best friend. we re three years apart. she s just the most outgoing, sweet, wants to be everybody s friend. she s still searching for her parents. her brother-in-law and her