Here's what to know about the deadly flooding, the colossal weather system that drove it and ongoing efforts to identify victims.

Betty Matteson’s four children, nine grandchildren and numerous great-grandchildren have squeezed into her Texas Hill Country home countless times since 1968.

Young campers and a dad saving his family were among the dozens killed in the historic flash floods that tore through central Texas over the holiday weekend.

Fatigue and frustration are growing among rescue workers who are ending another long day of searching for those who perished in last week's Hill Country flood disaster. Some volunteers involved in the search are even resorting to on-site IV injections to get through the hottest day yet in the Guadalupe River basin,

DHS Secretary Kristi Noem defended FEMA's response to Texas flooding, calling Democrat criticism politically motivated as the agency deployed over 700 workers within hours.

On the night the deadly floodwaters raged down the Guadalupe River in Texas, the National Weather Service forecast office in Austin/San Antonio was missing a key member of its team: the warning coordination meteorologist,

"It's not community to community. It's a national system," Sen. Maria Cantwell said on "Face the Nation with Margaret Brennan."

President Donald Trump speaks with Fox News host Will Cain about rescue efforts in Kerrville, Texas after catastrophic flash floods on ‘The Will Cain Show.’