Now Playing: News headlines today: Feb. 13, 2019

Now Playing: Tortoise thought to be extinct discovered in Galapagos Islands

Now Playing: Jussie Smollett arrested on felony charge

Now Playing: Same-sex couple denied tax prep

Now Playing: Smollett took advantage of the 'pain and anger of racism' to promote career: Police

Now Playing: North Carolina election fraud hearing

Now Playing: Oakland teachers go on strike

Now Playing: 10-year-old with cerebral palsy walks for the first time

Now Playing: News headlines today: Feb. 21, 2019

Now Playing: Penguins rollick through the snow

Now Playing: Police: FBI imposters wanted in Florida home invasion

Now Playing: Coaches accused of shaming high school cheerleaders

Now Playing: 'Firefall' phenomenon wows visitors to Yosemite's El Capitan

Now Playing: Samsung reveals 1st foldable smart phone

Now Playing: Police crack decades-old murder case using DNA

Now Playing: American ISIS bride banned from US

Now Playing: Cross-country storms cause chaos in Midwest, Northeast

Now Playing: Coast Guard lieutenant accused of plotting terror attack

Now Playing: It's Morning, America: Thursday, Feb. 21, 2019

Now Playing: Man intentionally ran over family with car: Police