David Richardson hasn't made public appearances, statements or social media postings since last week's flood. Former FEMA officials say that's concerning.

At least 120 people have been found dead since heavy rainfall overwhelmed the river and flowed through homes and youth camps in the early morning hours of July 4. Ninety-six of those killed were in the hardest-hit county in central Texas, Kerr County, where the toll includes at least 36 children.