Carl Nasman reports alongside a search team on the Guadalupe River, as more than 150 remain missing nearly a week after deadly flooding.

At a Wednesday morning press conference, Kerr County Sheriff Larry Leitha declined to answer a question about delayed emergency alerts, saying that an "after-action" would follow the search and rescue efforts. "Those questions are gonna be answered," he added.

In the last nine years, federal funding for a system has been denied to the county as it contends with a tax base hostile to government overspending.

As the Guadalupe River swelled from a wall of water heading downstream, sirens blared over the tiny river community of Comfort — a last-ditch warning to get out for those who had missed cellphone alerts and firefighters going street-to-street telling people to get out.

The search for bodies continued nearly a week after deadly flooding in Texas. With 121 people confirmed dead and at least 161 still missing, officials there are facing scrutiny. The National Weather Service issued several watches and warnings before midnight on July 3,

Members of the Lufkin Marine Corps League are preparing to head to Kerrville to assist in the clean-up and recovery process after devastating floods that left over 100 dead and even more still missing.

Plans to develop a flood monitoring system in the Texas county hit hardest by deadly floods were scheduled to begin only a few weeks later.

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 in Kerr County, Texas.

Jonathan McComb was the sole family member to survive a Texas flooding in 2015. Now, he's in Kerrville searching for victims in from the latest flooding.