Police cordon off the street where an officer was shot dead in 2012. Changes to how the Rio force investigates murders helped resolve the case of a journalist killed in 2013. (AFP/Yasuyoshi Chiba)
Police cordon off the street where an officer was shot dead in 2012. Changes to how the Rio force investigates murders helped resolve the case of a journalist killed in 2013. (AFP/Yasuyoshi Chiba)

Amid rising violence in Brazil, convictions in journalists’ murders are cause for optimism