Now Playing: Kindergarten greeter welcomes students each morning with a personalized touch

Now Playing: Man finds wife’s wedding ring in ruins of home destroyed by fire

Now Playing: California man stays with blind mom, battles wildfire

Now Playing: News headlines today: Nov. 13, 2018

Now Playing: Trial of ‘El Chapo’ begins in federal court

Now Playing: Michelle Obama says her brother is still their mother’s favorite

Now Playing: 10-year-old describes how she stopped a would-be kidnapper

Now Playing: Michelle Obama on historic midterms and whether Hillary Clinton should run in 2020

Now Playing: Photo appears to show high school students giving Nazi salute

Now Playing: Strengthening Santa Ana winds add fuel to fires

Now Playing: Community demands answers after officer-involved shooting

Now Playing: More than 200 missing in devastated California town

Now Playing: New fires ignite in California amid devastation

Now Playing: Sen. Kirsten Gillibrand shares advice for women newly elected to Congress

Now Playing: Let’s all agree to be as kind as these kindergartners are each day

Now Playing: Police shooting at Illinois bar under investigation

Now Playing: Stan Lee, the man who brought superheroes to life, dies at 95

Now Playing: Trump blames local officials for ‘deadly and costly’ California fires

Now Playing: Search is on for more than 200 people last seen before Camp Fire

Now Playing: At least 370 structures razed as agencies rally to fight California wildfires