Texas Flood Death Toll: A historic flash flood in Texas Hill Country has killed at least 52 people and left dozens more missing, including 27 girls from Camp Mystic. The floods swept away homes, camps and roads, catching many by surprise overnight as the Guadalupe River rose 26 feet in under an hour. While more than 850 people have been rescued so far, families cling to hope as rescue teams push on. Questions linger about missed warnings and whether this tragedy could have been avoided.