Early, limited data has offered some hints that they might reduce violence by police, despite mixed findings in other countries that have used them.
The state has accepted tender for 22,000 cameras, though it's not yet clear when officers in Rio will start to use them.īut Brazil's most populous state, Sao Paulo, has already begun experimenting with body cams. Minc says the bloodshed helped muster support to pass the bill just days later. Even in a city used to violent policing, the episode was stunning.