Now Playing: Wilbur Ross Declares He’s Pro-Trade in Confirmation Hearing

Now Playing: Commerce secretary says tariffs won’t hurt jobs, calls threats of retaliation trivial

Now Playing: Commerce Secretary defends effort to add citizenship question to 2020 census

Now Playing: Beto jumps into 2020 presidential race

Now Playing: Why leaders like Elizabeth Holmes may make risky choices

Now Playing: Boeing 737 Max 8 and 9 jets grounded

Now Playing: Why the team who created Theranos ad fact-checked the company’s claims

Now Playing: Senate to vote on Trump’s national emergency

Now Playing: FBI discovers college admissions scam during separate investigation

Now Playing: Winter storm slams Denver

Now Playing: Mob boss shot to death

Now Playing: Breast cancer survivor on Theranos test experience: ‘I’ll never forget that day’

Now Playing: Clip of former Theranos CEO Elizabeth Holmes’ 2017 deposition

Now Playing: Court rules Sandy Hook families can sue gunmaker

Now Playing: Turkey pecks at officer’s patrol car

Now Playing: Man breaks into apartment through baby room window

Now Playing: Bomb cyclone pummels the Rockies and the Plains

Now Playing: Notorious New York mob boss murdered

Now Playing: How Jane Doe found in 1991 was identified

Now Playing: News headlines today: Mar. 14, 2019