For the first time since catastrophic flooding killed more than 100 people in Kerr County, Texas, the county emergency management director conceded that he was sick and asleep as the water rose to historic levels on the Guadalupe River.

Testimony will be heard from those in charge of managing rivers as well as emergency managers and first responders about the flash flooding that killed at least 135 people.

Texas lawmakers and the lieutenant governor pressed local officials to explain their handling of the catastrophic July 4 weekend floods that killed more than 160 people — including 37 children — across the state’s Hill Country,