It is up to sovereign states to deal with their own criminality, not that of international courts. Israel decided Sharon had nothing to answer for. There have been commissions into some of his actions; the Khan Commission of Inquiry looked into the massacre at Sabra and Shatilla and concluded that “blunders constitute the non-fulfillment of a duty with which the Defense Minister was charged.” Sharon was only indirectly responsible. [1]  When he became a head of state, head of state immunity applied to him – a necessary thing to keep the wheels of international diplomacy turning. This has been accepted by the International Court of Justice in the arrest warrant case [2] .  [1] The Kahan Commission of Inquiry, ‘Report into the Events at the Refugee Camps in Beirut’, Jewish Virtual Library, 8 February 1983,   [2] Case Concerning the Arrest Warrant of 11 April 2000 (Democratic Republic of the Congo v Belgium) 14 February 2002