Each night in the darkest hours, a fleet of drones patrols the eastern Chinese city of Nanjing, watching over potentially dodgy areas such as underground station exits and the riverside to deter any would-be criminals.
The nightly routine has been operating since last year, according to a report published in April by the city’s police bureau, which detailed its use of artificial intelligence to plan patrol routes.
According to the report, the AI puts a laser focus on patrolling Nanjing’s blind…