This chapter discusses the traditional ethical and legal positions on the issue of assassination, yet it will for reasons of space not address the use of assassination by the State against non-State-related actors, such as for example, the targeted killing practice of Israel vis-a-vis Palestinian resistance group leaders, recently and succinctly circumscribed and analysed by the Supreme Court of Israel, sitting as the High Court of Justice, in the case of  The Public Committee against Torture in Israel and others v. The Government of Israel and others , decided on 11 December 2005. It also discusses the assassination of foreign Heads of State by the forces of another State. The chapter sets out the results of a pilot study for a questionnaire that was done with the support of some of the Durham students in the international criminal law course.  Keywords: assassination, international criminal law, Israel, questionnaire