At least 30 of those are children, officials said, and 27 of the victims were campers and counselors at Camp Mystic, which for 99 years has sat along the banks of the Guadalupe River in Hunt, Texas.

By the time I watched the video, I’d seen the images of upturned bunk beds, muddied stuffed animals, tiny T-shirts snagged on branches.

His radio was alive with more distress than he’d ever heard—reports of people stuck in trees and hanging onto roofs.