Revisited: Guardian journalist Michael Safi looks into the world of artificial intelligence, exploring the dangers and promises it holds for society
Today in Focus is on a summer break and will be back with new episodes from 1 September. In the meantime, we are bringing you season one of Black Box, before the launch of season two in early September. This episode was first broadcast on 18 March 2024.
In January 2020, Robert Williams was arrested by Detroit police for a crime he had not committed. The officers were acting on a tipoff, but not from a witness or informant. In fact, not from a person at all.
