-
Now Playing: 5 members of ERCOT’s board of directors resign after Texas blackouts
-
Now Playing: Tiger Woods injured in rollover car wreck in California
-
Now Playing: Train collision in Cameron, Texas
-
Now Playing: No criminal charges against officer who restrained Daniel Prude
-
Now Playing: Engine failure leads to Federal Aviation Administration investigation
-
Now Playing: Top security officials resign in wake of Capitol riot, said FBI missed warnings
-
Now Playing: Vaccine makers vow to get doses out faster
-
Now Playing: Grim milestone: 500,000 virus deaths in US
-
Now Playing: Stunning new images of Mars
-
Now Playing: Independent report on death of Elijah McCain
-
Now Playing: Capitol officer speaks out, feared for his life during riot
-
Now Playing: Families in Texas recover from deadly storms
-
Now Playing: Mid air explosion, debris over homes
-
Now Playing: Remembering the lives lost to COVID-19
-
Now Playing: Shootout at Louisiana gun store leaves 2 dead
-
Now Playing: US approaches 500,000 lives lost to COVID-19
-
Now Playing: NTSB searches for answers on Denver plane incident
-
Now Playing: First female class of Eagle Scouts honored virtually
-
Now Playing: Urgent search for young woman with autism
-
Now Playing: Over 200 people charged in connection with deadly Capitol riot