Police militias used to fight Brazil’s gangs. Now they extort, traffic and kill, too.

Comment on this storyComment NOVA IGUAÇU, Brazil — For years, police in Rio de Janeiro state have waged a bloody and expensive campaign against the gangs that dominate many of its impoverished favelas. But all the violence and effort, prosecutors and analysts say, has missed the most pressing security challenge confronting this notoriously turbulent region: … Read more