At age 24, Tyler Shultz exposed the $10 billion biotech company Theranos for its fraudulent practices, prompting criminal and civil investigations into the company. Until now, Schultz has remained largely unavailable for interviews, but now he is telling his side of the story, in his own words. Shultz joined Closing Bell to explain why he chose to speak out now, and how similar mistakes can be made as companies race for a coronavirus vaccine.