Now Playing: NBA star Lorenzen Wright’s ex-wife pens novel after his killing

Now Playing: This senior dog sanctuary is total paradise for older pups without homes

Now Playing: I gave birth while intubated for COVID-19. The nurses saved me and my son’s life

Now Playing: Police officers work to mend relationship between communities, law enforcement

Now Playing: New memorial honors Eisenhower

Now Playing: Pensacola mayor discusses Hurricane Sally aftermath

Now Playing: NYC bird watcher Christian Cooper turns racist confrontation into graphic novel

Now Playing: Trump disputes CDC director’s vaccine timeline

Now Playing: Another White House staffer tests positive for COVID-19

Now Playing: Animal rescue volunteers jump into action in California’s wildfires

Now Playing: Texas crane accident injures 22 construction workers

Now Playing: Top HHS official takes leave of absence after online rant

Now Playing: Accusations that officers tried to revise incident report in Daniel Prude case

Now Playing: Helmet camera video shows California firefighters battling massive wall of flames

Now Playing: CDC director responds to Trump’s COVID-19 vaccine timeline

Now Playing: Hurricane Sally makes landfall on Gulf Coast, downgraded to tropical storm

Now Playing: Portland’s air quality worst in world

Now Playing: High school sweethearts survive cancer and COVID-19

Now Playing: Medal of Honor recipient shares his incredible rescue story