This book sheds light on a particularly complex aspect of post-conflict security reform: the transformation of the Kosovo Liberation Army into the Kosovo Security Force, a unique political and legal process. The authors demonstrate how different international and domestic actors played a role in this process and navigated a complex web of international law, political interests and the requirements to maintain peace and security in Kosovo and the region. It makes a special contribution to ongoing discussions on state development and peacebuilding, while acting as a case study for upcoming post-conflict scenarios.