Rio de Janeiro police prepare to 'pacify' another favela Police in Rio de Janeiro are preparing to 'pacify' the Caju favela, controlled by drug traffickers, on Sunday morning at dawn, in the next step in the city's strategy of using security forces to occupy dangerous areas and force out criminals. The strategy appears to be working - the city of Rio last year recorded its lowest murder rate since 1991 - but is that really connected to the pacification? AFPTV asked expert Igancio Cano. Images and soundbites.