This study focuses on the law number 9455 of 07 April 1997, popularly known as the Law of Torture, which is investigated under the prism of their effectiveness to prevent, curb and punish acts committed by agents of the Criminal Justice System against alleged criminals. The object of study was selected by the recurrence of the phenomenon of torture in Brazilian society and limited time between the date of promulgation of the law, in April 1997, by the year 2007, Marc that celebrated a decade of existence of the aforementioned legal instrument. Adopted to search Bibliographic but also to search the field, for the measurement of goals demarcated.In the midst of search is included analysis of the processes that tramited (were) before the court of Criminal District of Belo Horizonte and complaints offered by the Promoter of Human Rights by the practice of torture by police. The data indicate that the effectiveness of the Law of Torture is in check, since the time period investigated, there was no punishment of Public Servers accused of this crime. It was, before public bodies, which runs a dictatorship of oblivion, this is that neither the Public Ministry and even the judiciary have systematic data about the issue.