One ploughed headfirst into the back of a packed city bus. Another ignored yellow police warning tape and became tangled in downed power lines. Yet another 'out-of-control' vehicle moved menacingly towards a police officer while ignoring his frantic command for it to 'stay!'. Welcome to the streets of San Francisco, where the world's biggest experiment in self-driving 'robotaxis' is under way. While Big Tech says this is the future – a world where artificial intelligence (AI) avoids accidents caused by human error – the reality uncovered by The Mail on Sunday offers a glimpse into a future where AI-controlled vehicles...