Lindsey Cameron is a legal adviser in the legal division of the International Committee of the Red Cross (ICRC). Prior to joining the ICRC, she worked as a researcher in the Faculty of Law at the University of Geneva. She has also worked for the UN High Commissioner for Refugees in the Balkans and at the Court of Appeal for Ontario in Canada.

• Introduction; Part I. UN Use of PMSCs: The Current Situation: 1. Contracting by the UN: policy and practice; 2. Survey of existing opinion and practice on the possibility of PMSCs as the military component of a UN peace operation; Part II. The Legal Framework of UN Peace Operations and the Use of PMSCs: Introduction; 3. The legal basis for peacekeeping/peace operations; 4. Principles of peacekeeping; 5. PMSCs as the military or police component of the peace operation; 6. The law applicable to peace operations; Part III. PMSCs and Direct Participation in Hostilities: Introduction; 7. The status of PMSC personnel under IHL; 8. The impact of civilian status on the rights and duties of PMSCs: Direct Participation in Hostilities; 9. The use of force by PMSC personnel in self-defence; 10. The use of force in self-defence in peace operations; 11. Human rights law; Part IV. Responsibility: Introduction; 12. Attribution of the actions PMSCs active in peace operations to states; 13. Responsibility of international organizations; 14. Implementation of responsibility; 15. Criminal responsibility; Conclusion.