A police drone flies over a protest in Rio de Janeiro
RIO DE JANEIRO, Brazil — With simmering protests, a surge in violence and less than three months to go till the World Cup, Rio de Janeiro police have introduced a host of new tactics that seem right out of science fiction.
Each hosting city has spent about $90 million on surveillance drones, explosive-detecting robots, camera glasses and other equipment.
But is it making the city safer?
The story you just read is not locked behind a paywall because listeners and readers like you generously support our nonprofit newsroom. Now more than ever, we need your help to support our global reporting work and power the future of The World. Can we count on you?