He died of a heart attack in the detention centre of the UN tribunal in The Hague on March 11th, 2006, during the course of his trial for war crimes committed in Croatia, Bosnia and Herzegovina and Kosovo.
On je 11. ožujka 2006. u pritvoru UN- ovog suda u Haagu umro od infarkta tijekom suđenja za ratne zločine počinjene u Hrvatskoj, Bosni i Hercegovini i na Kosovu.