-
Now Playing: Civil rights activist on organizing one of the largest marches in US history
-
Now Playing: Historic inauguration in Chicago
-
Now Playing: Supreme Court abortion rights rulings, transgender bathroom policies in the spotlight
-
Now Playing: Transgender service member speaks out on Trump's military ban
-
Now Playing: Inside the Columbus Zoo and Aquarium's groundbreaking work in conservation
-
Now Playing: Father and sister of Ron Goldman speak out 25 years after his murder
-
Now Playing: 1-on-1 with Mo Vaughn and Frank Thomas
-
Now Playing: Cracks appear on floor of skyscraper viewing platform
-
Now Playing: Jon Stewart demands Congress support 9/11 compensation fund
-
Now Playing: Flash flooding in South Carolina as the East braces for heavy rains
-
Now Playing: Father and daughter share 'very emotional' wedding dance
-
Now Playing: Man who allegedly set fire to 3 black churches faces hate crime charges
-
Now Playing: Ex-Stanford sailing coach gets no prison time in admissions scandal
-
Now Playing: Students stranded at airport because of storms get help from Delta
-
Now Playing: Bodies of pilot, passenger recovered after deadly plane crash in Florida
-
Now Playing: Police dive teams search waters in Avon for missing Connecticut mom
-
Now Playing: 15 people reportedly stung by stingrays while swimming off California beach
-
Now Playing: Actor Cuba Gooding Jr. accused of groping woman at New York City bar
-
Now Playing: Bounty to kill baseball great David Ortiz was less than $8,000: Police
-
Now Playing: Loved ones make emotional visit to Yingying Zhang's memorial