Elon Musk, the world's richest person, has claimed since 2015that, for Tesla, technology for self-driving cars is a"solved problem," and made outlandish claims about Autopilotcapabilities. But a New York Times investigation reveals thequixotic nature of Musk's pursuit of self-driving technology,and the tragic results. Autopilot has been a factor in severaldeaths and dozens of other accidents that Tesla has notpublicly acknowledged. Some former Tesla employees speak outagainst Musk for promoting a self-driving program that theybelieve was perilous.