Brazil army tackles criminal gangs in sprawling slum . Serra da Mare , home to rich people , is also home to drug rings . General in charge of Rio de Janeiro will be prepared for the World Cup . Then he is whisked away by police who do n't let him stay in hostile territory for long .
Brazil army tackles drug gangs in sprawling slum . Complexo de Mare , home to 130,000 people , is also home to drug rings . General in charge says Rio de Janeiro will be prepared for the World Cup . Then he is whisked away by guards who do n't let him stay in hostile territory for long .