Sao Paulo (the city) just rolled out facial recognition for police bikes, too, despite evidence showing[0] the program doesn't reduce criminality. Smart Sampa even has a feature where you can become a snitch yourself, lending your camera spot to the network... Great stuff
[0]: https://g1.globo.com/sp/sao-paulo/noticia/2025/08/01/reconhe... (don't know how to link a translated page)