Nearly a week after floodwaters swept away more than a hundred lives, Texas officials are facing heated questions over how much was – or was not – done in the early morning hours of Friday as a wall of water raced down the Guadalupe River.

This map shows where camps along the Guadalupe River were impacted by the July 4 flood. Meteorologists Pat Cavlin and Kim Castro detail how it all happened.

New human settlements constructed in recent years have made the waterway more hazardous, UT-Arlington civil engineering professor says.

At least 120 people have died and some 173 people remain unaccounted for statewide, nearly a week after flash floods ravaged the Texas Hill Country.

Recordings provided to CBS News showed first responders asking for an emergency alert to be sent, but dispatchers delayed because they needed special authorization.

Over the last decade, an array of local and state agencies have missed opportunities to fund a flood warning system intended to avert the type of disaster that swept away dozens of youth campers and others in Kerr County,

Flash floods surged through in the middle of the night, but many local officials appeared unaware of the unfolding catastrophe, initially leaving people near the river on their own.

Owners of the NFL's Minnesota Vikings and Kansas City Chiefs have joined the list of professional sports organizations making donations to support the recovery from flooding that has devastated the Texas Hill Country, they announced on Wednesday.