Myra Engrum stands by the huge pile of her and her son's belongings, plus all the wet building materials that have been pulled out of her flooded house. Eve Troeh/Eve Troeh hide caption

Hilton Pray, 82, holds one of thousands of his photographs that were damaged after an estimated 4-feet of water filled his home in Denham Springs, La. Collin Richie/Humans of the Water hide caption

Cleanup crews roll through East Baton Rouge picking up debris from massive floods that ravaged the state last week. Ari Shapiro/NPR hide caption

Amber Lakin (front) and colleague Julia Porras work at Central City Concern, an organization that does outreach and job training to combat homelessness and addiction in Portland, Ore. Lakin went through the welfare system and now works with Central City Coffee, an offshoot of the main organization, which uses coffee roasting/packaging as a job training space. Leah Nash for NPR hide caption

Daniel Stover, 17, moves a boat of personal belongings from a friend's flooded home in Sorrento, La., on Saturday. Max Becherer/AP hide caption

Louisiana resident David Key rides away after reviewing the damage to his home. Federal officials have expanded a disaster declaration after flooding in the state damaged tens of thousands of homes and left nine people dead. Max Becherer/AP hide caption

Flooding can be seen on O'Neal Lane, looking north from I-12 in Baton Rouge, La. Courtesy of the Louisiana Department of Transportation and Development hide caption

In this aerial photo a boat motors between flooded homes on Saturday after heavy rains in the region in Hammond, La. Max Becherer/AP hide caption

Flooding on U.S. 51 in the Village of Tangipahoa, La. Heavy rains have caused rivers to crest in Louisiana and neighboring Mississippi, closing schools and roads and stranding residents. Courtesy of Louisiana Department of Transportation hide caption

Former Ku Klux Klan leader David Duke talks to the media in Baton Rouge, La., on July 22, 2016, after registering to run for the U.S. Senate. Max Becherer/AP hide caption

Baton Rouge police block Airline Highway after police were shot in Baton Rouge, La., on Sunday. Several law enforcement officers were killed and several injured in a shooting in Baton Rouge on Sunday morning. Max Becherer/AP hide caption

Police arrest activist DeRay McKesson during a protest along Airline Highway, a major road that passes in front of the Baton Rouge Police Department headquarters on Saturday in Baton Rouge, La. Max Becherer/AP hide caption

Members of the Living Faith Christian Center congregation sing a hymn at a prayer vigil for Alton Sterling on Thursday. Sterling, 37, was shot and killed on Tuesday outside a convenience store where he was selling CDs. Gerald Herbert/AP hide caption

Police monitor floodwaters in Haughton, La., in March. The state has expanded its hate-crime laws to also protect law enforcement and first responders. Mike Silva/AP hide caption

Officers investigate the scene of a shooting in Baton Rouge, La., in February. Bill Feig/AP hide caption