Chapter I introduces the thesis by giving the background to the research, analyses what is al ready known about art theft and the criminals involved, and then considers the gaps in Our knowledge. It finishes by examining the challenge of theorizing and researching art security. The methodology follows in chapter 2, before chapter 3 analyses the co• production of risk in the security sites and situates the threat. The subsequent four chapters examine the co-production of security. Chapter 4 analyses the public police and security, and chapter 5 private sector security, investigation and loss adjustment. Chapters 6 and 7 examine insurance as enabling risk and security, and governmental nodes enabling security beyond insurance. Chapters 8 and 9 consider the future, with chapter 8 focusing on the co-production and chapter 9 presenting final conclusions.