https://www.techdirt.com/articles/20180327/07200039507/arizona-bans-self-driving-car-tests-still-ignores-how-many-pedestrians-get-killed.shtml

By now, most folks have read about the fact that Uber (surprise) was responsible for the first ever pedestrian fatality caused by a self-driving car in the United States. Investigators in the case have found plenty of blame to go around, including a pedestrian who didn't cross at a crosswalk, an Uber driver who wasn't paying attention to the road (and therefore didn't take control in time), and Uber self-driving tech that pretty clearly wasn't ready for prime time compared to its competitors:

"Uber’s robotic vehicle project was not living up to expectations months before a self-driving car operated by the company struck and killed a woman in Tempe, Ariz.