At the heart of the concept of war crimes is the idea that individuals can be held criminally responsible for the actions of a country or its soldiers. War crimes and crimes against humanity are among the gravest crimes in international law.
At the heart of the concept of war crimes is the idea that individuals can be held criminally responsible for the actions of a country or its soldiers. War crimes and crimes against humanity are among the gravest crimes in international law.
At the heart of the concept of war crimes is the idea that individuals can be held criminally responsible for the actions of a country or its soldiers.
War crimes and crimes against humanity are among the gravest crimes in international law.
They are considered so serious that there is no period of limitation for such crimes - which means that those who commit them can be prosecuted and punished no matter how much time has elapsed since the crimes were committed.
The concept of war crimes is a recent one. Before World War II, it was generally accepted that the horrors of war were part of the nature of war, and recorded examples of war crimes go back to Greek and Roman times.
Before the twentieth century armies frequently behaved brutally to enemy soldiers and non-combatants alike - and whether there was any punishment for this depended on who eventually won the war.
Commanders and politicians usually escaped any punishment for their role in war - or, if they lost, were summarily executed or imprisoned.
There was no structured approach to dealing with 'war crimes' nor any general agreement that political and military leaders should take criminal responsibility for the acts of their states or their troops.
Attitudes changed during World War II when the murder of several million people - mainly Jews - by Nazi Germany, and the mistreatment of both civilians and prisoners of war by the Japanese, prompted the Allied powers to prosecute the people they believed to be the perpetrators of these crimes.
These trials provide the main precedents for cases being heard by tribunals in this century, among them the International Criminal Tribunal for the Former Yugoslavia (ICTY) in The Hague.
People are usually only tried for war crimes if their country loses the war - a victorious nation rarely tries its own people for war crimes - with the result that war crimes trials can look like revenge trials, and be seen as acts of injustice themselves.
But this isn't always the case - several Americans were tried for war crimes committed in the Vietnam conflict, and the war crimes trials relating to conflict in the former Yugoslavia is likely to be a significant exception to this tradition.
War crimes are defined by the Geneva Conventions, the precedents of the Nuremberg Tribunals, an older area of law referred to as the Laws and Customs of War, and, in the case of the former Yugoslavia, the statutes of the International Criminal Tribunal in The Hague (ICTY).
War crimes fall into three groups - or four if you include genocide.
Violations of the laws or customs of war, including:
Atrocities and offences committed against any civilian population, before or during the war, including:
Leaders, organisers, instigators and accomplices participating in the formulation or execution of a common plan or conspiracy to commit any of the crimes above are criminally responsible for everything done by anyone in carrying out such a plan.
The fact that a person was obeying an order of his Government or of a superior does not free him from responsibility, but can be considered and may reduce the appropriate punishment.
A very detailed list of crimes against humanity and war crimes can be found in articles 7 and 8 of the Rome Statute of the International Criminal Court, which is online at the United Nations website. The BBC is not responsible for the content of external websites.
Genocide is considered one of the most severe crimes against humanity. It means the deliberate attempt to destroy a national, ethnic, racial or religious group.
The term was coined in 1943 by the Jewish-Polish lawyer Raphael Lemkin who combined the Greek word 'genos' (race or tribe) with the Latin word 'cide' (to kill).
Genocide means any of the following acts committed with intent to destroy, in whole or in part, a national, ethnic, racial or religious group, as such:
Individuals are chosen as victims purely, simply and exclusively because they are members of the target group, and not because of anything an individual has done.
Genocide is a crime under international law even if it is not a crime in the country where it takes place, and incitement to commit genocide is also a crime.
The definition of genocide above is considered too narrow by many experts. They say that none of the mass killings since the treaty's adoption would be covered by it.
The objections most frequently raised against the treaty include:
Rafael Lemkin, who invented the word said that genocide involved the
disintegration of the political and social institutions, of culture, language, national feelings, religion, and the economic existence of national groups, and the destruction of the personal security, liberty, health, dignity, and even the lives of the individuals belonging to such groups.
This incomplete list of modern genocides includes a number of alleged genocides, where there is still argument about whether the action amounted to genocide, or where judicial proceedings are not complete.
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