The International Criminal Court is located in The Hague, The Netherlands. Here is a link to core legal texts.
The ICC case law database offers a filter option to these types of crimes.
This court investigates and, where warranted, tries individuals charged with the gravest crimes of concern to the international community: genocide, war crimes, crimes against humanity and the crime of aggression
Office of the Prosecutor's reports. The Office of the Prosecutor (OTP) is an independent organ of the Court. It is responsible for examining situations under the jurisdiction of the Court where genocide, crimes against humanity, war crimes and aggression appear to have been committed, and carrying out investigations and prosecutions against the individuals who are allegedly most responsible for those crimes.