Which leader of serbia faced international criminal charges for his part in calling for the genocide of bosnian muslims in the early 1990s?

Slobodan Milosevic

He resigned in 2000 following demonstrations in Serbia. However, the prime minister extradited him to the ICC. He refused to appoint defense for his case arguing that the courts was illegal. He died five years later from heart ailments. the court later acquitted him of any crime, but held he was responsible for not prosecuting the genocide perpetrators.