@CNN: A test driver was behind the wheel of a self-driving Uber vehicle when it struck and killed a woman in Tempe, Arizona. But that safeguard wasn’t enough to prevent the death of 49-year-old Elaine Herzberg. https://t.co/H8sSMYolSZ

@CNN: A test driver was behind the wheel of a self-driving Uber vehicle when it struck and killed a woman in Tempe, Arizona. But that safeguard wasn’t enough to prevent the death of 49-year-old Elaine Herzberg. https://t.co/H8sSMYolSZ