The Rwanda tribunal holds 38 people and has handed down four sentences.
He is the only person wanted by either the Balkans or Rwanda tribunals to be arrested in the United States.
"This is very much a living issue," said a judge at the Rwanda tribunal.
The Rwanda tribunal is issuing indictments but having a hard time getting African nations to turn over suspects.
Unlike the Rwanda tribunal in Arusha, Tanzania, this court has little experience trying genocide.
The Rwanda tribunal has convicted eight people, all of them on charges including genocide.
The Rwanda tribunal has been slower to treat sexual crimes seriously.
With the world's attention newly focused on the importance of international justice, the Rwanda tribunal deserves the resources and the oversight it needs to complete its mission.
Last week, ahead of the Secretary General's visit, the Rwanda tribunal received a few morale boosters.
His concerns about fairness are important, especially since the Rwanda tribunal initially was poorly run.