This concluding chapter summarises the arguments for exceptionalism which have been examined throughout the book, and recaps which ones succeeded and which ones failed. In at least some cases, setting aside existing moral and legal frameworks when conducting counterterrorism has been shown to be justified. Yet, a number of arguments for doing so—including some currently popular among philosophers and political actors—have been exposed as unsuccessful. It goes on to investigate what overall counterterrorist strategy should be adopted by states, and in particular which combination of policies should be used, and how to set priorities among policies. Finally, it considers how the arguments of the book should lead liberal states to reform both national and international law.