The BBC has published an article on the Rio de Janeiro government's policy of brutal and indiscriminate armed raids on Brazil's poorest communities, ostensibly to target drug gangs but in practice slaughtering hundreds of innocent civilians with no consequence:
https://www.bbc.co.uk/news/extra/FI4UOE ... ath_in_rio
Luckily Brazil is a representative democracy, so this sort of abuse of minorities is not actually repression or abuse, but merely a political development that the people will be able to correct within a mere 40 years of voting.