this article makes an analytical reconstruction of the Disarmament, De- mobilization and Reintegration process -DDR- of the Colombia United Self- defenses -CUS-. It presents, in its first part, a brief review of the origin, evolution and situation of this armed structure before the beginning of the DDR process; secondly, it develops the theoretical benchmark used for the analysis of such a process; in the third part, it makes the model works and