Intro
Contents
A Tribunal for Putin is slowly becoming a reality: the wheels of justice are turning, and as a consensus has formed that an international trial for Russian war criminals is an absolute necessity. However, it is likely that "tyrannicidium" is the only step that could bring the ultimate culprit to ultimate justice.
I. "Nuremberg I" – the Trial of the German "Major War Criminals"
I.1 The Statute of the International Military Tribunal (IMT)
After the military defeat of the "Greater German Reich," the Allied victorious powers tried the German "major war criminals" in Nuremberg. Adolf Hitler, the "supreme major war criminal" by committing suicide [1] had understandably avoided his certain death sentence by hanging and the probable display of his body on Moscow's Red Square. The "Nuremberg Trials" set standards for the further advancement of international criminal law (ICL).The Statute of the IMT states:
"The Tribunal established by the Agreement referred to in Article 1 ("London Agreement") for the trial of the principal war criminals of the States belonging to the European Axis shall have the right to try all persons who, in the interests of those States, have committed, individually or as members of an organization or group, any of the following crimes; the following acts, or any one of them, shall constitute crimes for the trial of which the Tribunal shall have jurisdiction:
- a) Crimes against peace,
- b) War crimes,
- c) Crimes against humanity

I.2 The four "core crimes" of the Rome Statute of the ICC
Since 2002, the ICC has been prosecuting four "core international crimes," as defined in Articles 6-8bis of the ICC Statute ("Rome Statute"):
- crimes of aggression
- war crimes
- genocide
- crimes against humanity
I.2.1 "Crime of aggression" – the "supreme international crime”
The crime of aggression is the cause of all other crimes. The International Military Tribunal's (IMT) statement of reasons for its judgment reads,"To initiate a war of aggression [...] is not only an international crime; it is the supreme international crime differing from other war crimes, in that it contains within itself the accumulated evil of the whole."[3]On 11 June 2010, the States Parties to the ICC agreed on a definition of the crime of aggression in Kampala, Uganda. It was a surprising compromise between the Permanent Members of the UN Security Council (UNSC), who had previously claimed the sole authority over determining aggression, and the remaining states, who demanded an independent ICC. The parties to the Rome Statute decided in Kampala to activate the ICC's jurisdiction over a "crime of aggression" as soon as possible, which finally happened on 17 July 2018 – 20 years after the adoption of the "Rome Statute" in 1998, with the "crime of aggression" remaining undefined. However, the jurisdiction of the ICC was considerably weakened by a controversial "threshold clause". The "Kampala Compromise" distinguishes between an "act of aggression contrary to international law" and the "crime of aggression." Accordingly, not every violation of the general prohibition of the use of force (UN Charter, Article 2, No. 4) entails individual responsibility. Only qualitatively and quantitatively serious violations of international law are relevant under criminal law, which constitutes a crime only if there is a serious manifest violation of the UN Charter. In order to be classified as a "crime of aggression," the relevant acts listed in Art. 8bis, paragraph 1, must "by their nature, gravity and extent constitute a manifest violation of the Charter of the United Nations (paragraph 2)." As a consequence of this threshold clause, the "grey area" under international law is not covered.
"The attack on Ukraine, however, is likely to meet the high criminal law requirements of the threshold clause,” judges Stefanie Bock.[4]
I.2.2 "War crimes" – serious violations of international humanitarian law (IHL)
Legally, the term "war crime" is defined as a serious violation of IHL, which in turn is decisively determined by the "Hague Convention on Land Warfare" of 1907 and by the four "Geneva Conventions" of 1949 (Additional Protocols I to III of 1977 and 2005). IHL comprises the rules of international law of war. Its aim is to protect civilians, residential buildings, civilian infrastructure as well as the natural environment from the effects of hostilities in a war or an international armed conflict. A criminal act may be considered a war crime if committed intentionally (Art. 8, para. 2 lit. A, IV) of the ICC Statute. Para. 32, para. 1.1 of the Statute recognizes the "mistake of fact excluding intent," which Russia does not invoke at all. There is no mistake of fact that the killing of fugitives and the shelling of residential buildings are typical war crimes committed by the Russian army in Ukraine.I.2.3 "Genocide" – strict international law requirements
The crime of genocide is defined in Art. II of the UN "Convention on the Prevention and Punishment of the Crime of Genocide" of 9 January 1948, and standardized in the same wording in Art. 6 of the Rome Statute of 17 June 1989. Russia and Ukraine signed the ICC Statute in 2000 but did not ratify it; however, both states have submitted to the Genocide Convention.In order to be classified as genocide under international law, a situation must meet strict standards. Article II of the Genocide Convention defines five acts as genocide if they are committed "with intent to destroy, in whole or in part, a national, ethnic, racial or religious group as such," among them:
- the killing of members of a group;
- the infliction of serious bodily or mental harm on members of a group;
- the intentional imposition on a group of conditions of life likely to bring about its physical destruction in whole or in part