During this episode, Matthew will discuss the impact of Britain's exit from the European Union for policing and security studies. This episode will focus on the role of the European Arrest Warrant, the impact on the security service (Mi5), defence and the impact of the defence spending review, the impact and challenges facing migrants and refugees and finally, the impact of Brexit on Northern Ireland and the potential return to violence as well as the potential future of a Border Poll on Irish Reunification.