This article is about the kind of violence that happens in Brazilian main urban centers. It derived from a field research with visits and interviews with different individuals linked, directly or indirectly, to the subject such as employees and representatives of public sections of several areas, researchers and specialists, convicts and people involved in the drug traffic, as well as community leaders. It presents a wide diagnosis of the main factors that make possible the growth of criminal violence in Brazil such as social and economic factors, weakness and lack of confidence in the institutions and the difficulty of the state to avoid and prevent violence. The collected data allowed an analisis of the phenomenon in Brazilian reality, compared with other international urban centers. The political recommendations, based on the observation of the evolution of other countries, strongly point to the establishment of credibility of the state, starting from redistribution of income; great investiment in social areas, mainly health and education, and restructuring of their fundamental institutions as police and school.
Violenc; Criminality; Politic of Prevention