Search efforts continue for the dozens of people still missing after Friday's floods, as questions swirl over what went wrong. Here's what we know so far.

Floodwaters are finally receding in Kerr County and Williamson County, Texas, revealing a landscape dramatically altered by days of relentless storms. Uprooted trees, eroded trailers and debris-strewn riverbanks now tell the story of just how powerful — and fast — this flooding took over.