This research in development it's mainly about the concept of biopolitics, especially its passage from the works of Michel Foucault and Giorgio Agamben. Based on Agamben's political diagnosis, the dialogue between Foucault and Deleuze, and recent researches in the prison system of Minas Gerais, it aimsto think the criminological anlysis of penal execution no longer in the lines of normalization presented by Foucault, neither on the Marxist perspective of the economics goals of the improsonment, but from concepts such as exception in Law and bare life, identified byAgamb en nowadays.91100121