This chapter discusses what intelligence governance looks like in an otherwise established liberal democracy and provides examples from intelligence under authoritarian regimes. The growing empirical richness of materials available for Intelligence Studies is contrasted with its relatively undeveloped conceptual frameworks and a suggestion made as to how this interdisciplinary might progress. The chapter describes intelligence is a challenging business. The secrecy and suspicion surrounding the business may put off many potential researchers but this only reinforces the importance of making the effort since, otherwise, this central state function remains shrouded in ignorance and uncertainty. Compared with the Cold War period, there is now much information from official, research and journalistic sources that may be accessed and used by scholars in this work. Parliament had effectively triumphed over the monarchy in the battle for supremacy by the end of the seventeenth century and Cabinet government developed thereafter.