Critics also expressed concern about the ordering of the split trials of Nuon Chea and Khieu Samphan, with the most severe charge of genocide and ethnic cleansing pushed into proceedings that will likely last until 2016.
One sharply pointed criticism sees the charge of genocide as a cynical move foisted on the proceedings by foreign jurists who want to enhance the profile of the court's work and their role in it thereby distracting attention from the Western powers' history of wrongdoing in Cambodia.
"I am gratified that genocide was recognized, especially in this case," said Mr. Harmon after the proceedings.
In January 1998, proceedings were even opened against Pinochet himself on charges of genocide brought by the Communist Party.
Sometimes prickly but mostly unperturbed, Sir Richard steered the proceedings, which covered charges of war crimes, crimes against humanity and genocide relating to the wars in Bosnia, Croatia and Kosovo during the 1990's.
A judge in Guatemala has ordered the suspension of the genocide trial of the former US-backed dictator Efrain Rios Montt, angering prosecutors who vowed that proceedings would continue as planned.
Lawyers are examining whether the two could stand together for the proceedings dealing with the massacre at Srebrenica, which judges here have defined as genocide in other cases.
The proceedings in Brussels are running parallel to other trials dealing with the Rwanda genocide, one of the worst atrocities of the 20th century.
The first is the prospect of national elections next year; the second is the beginning of proceedings against President Omar al-Bashir by the International Criminal Court (ICC) on charges of genocide over Darfur; and the third is the election of Barack Obama as the next president of the United States.
The trial in Brussels supplements criminal proceedings in Africa that are seeking with mixed results to achieve justice for the genocide.
