Genocide, the crime of crimes, will be introduced on the example of the Genocide Case between Serbia/Montenegro and Bosnia/Herzegovina. The International Court of Justice will be examined based on its duties and boundaries. The paper leads through the blueprint of a court trail. It will show how to gain access to the court then discuss one theoretical approach on the main subject: Genocide. As a logical conclusion the courts abilities to prevent and punish, genocide will be introduced though the question of reparations. The role of the International Court of Justice will be analyzed and critically scrutinized.