Malcolm Thorburn is based in the Faculty of Law at Queen's. His work sets out to build a new foundation for debates about the legitimacy of security operations. Debates on a variety of issues – from the privatization of policing to the expansion of state surveillance operations to the blurring of the distinction between policing and military operations – are dominated by old assumptions that made sense in a world that no longer exists. Malcolm Thorburn's work seeks both to transcend these old assumptions and to revive the basic values that animated them, setting out a new liberal political theory of crime and security.