Based on geo- and biopolitical analyses, this book reconsiders how security policies and practices legitimate state and non-state violence in the Colombian conflict.Using the case study of the official Democratic Security Policy (DSP), Echavarría examines how security discourses write the political identities of state, self and others. She claims that the DSP delimits politics, the political, and the imaginaries of peace and war through conditioning the possibilities for identity formation. In/security in Colombia offers an innovative application of a large theoretical framework on the performative character of security discourses and furthers a nuanced understanding of the security problematique in a postcolonial setting. This wide-reaching study will benefit students, scholars and policy-makers in the fields of security, peace and conflict, and Latin American issues.