Elizabeth Holmes’s defense says mistakes, not malice, led to collapse of Theranos

At the center of the U.S. government’s argument is the accusation that, rather than being a young, ambitious tech visionary who simply failed to pull off her dreams, Holmes crossed the line into outright fraud, misleading investors, business partners and the media about the blood-testing machines her company was trying to develop. She ultimately did it to save her faltering business, prosecutors alleged.