Now Playing: News headlines today: Oct. 5, 2018

Now Playing: Huge storm bringing flooding rain to middle of US

Now Playing: Red tide spreads to Miami

Now Playing: ‘Drunk’ birds are dive-bombing cars

Now Playing: How genetic genealogist CeCe Moore identified potential suspect in 1992 cold case

Now Playing: Search grows for missing mother in Maine

Now Playing: Monica Lewinsky takes on name-calling in new campaign

Now Playing: 2-year-old in critical condition after bounce-house accident

Now Playing: Jury to decide fate of officer who shot black teen

Now Playing: Take it from Ibtihaj Muhammad: ‘It’s not easy being the first’

Now Playing: Trump mocks Franken for resigning amid allegations

Now Playing: NFL players take notice of high school linebacker

Now Playing: JBS Tolleson issues recall on 6.5 million pounds of beef products

Now Playing: Arson suspect wanted for igniting fire to an Airbnb home in Florida

Now Playing: Deadly explosion in Pennsylvania now ruled a murder-suicide

Now Playing: Manhunt underway in Chicago for the murder of an elderly man

Now Playing: New details on the 7 officers shot in a deadly shootout in South Carolina

Now Playing: Questions raised on the limits of the FBI investigation on Kavanaugh

Now Playing: Firestorm as FBI investigation on Kavanaugh concludes

Now Playing: DOJ charges 7 Russian nationals for hacking US facilities