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.

Dispatch audio has surfaced from the critical hours before a deadly flood hit its height in Kerr County, helping piece together the timeframe local officials have yet to provide amid public

John David Trolinger was in his home’s radio room listening intently early Friday morning as the first water rescues took place on a rising Guadalupe River.

Crews are using construction equipment to clear vehicles, trees and homes in a race to locate the 161 people still missing since Friday’s devastating flood.

Over 35,000 signed a petition urging Kerr County to install flood warning sirens after flash flooding killed at least 100 people on July 4.

"I hope that everyone knows, prayers work and God is still out there," Kerrville resident Donna Ragsdale said.

Kerr County, Texas, officials waited 90 minutes to send an emergency alert advising residents about the flooding, according to audio obtained by ABC affiliate KSAT.