This is your state department talking about Kosovo
Serbian military, paramilitary and police forces in Kosovo have committed a wide range of war crimes, crimes against humanity, and other violations of international humanitarian and human rights law: forced expulsion of Kosovars from their homes; burning and looting of homes, schools, religious sites and healthcare facilities; detention, particularly of military-age men; summary execution; rape; violations of medical neutrality; and identity cleansing.
— Report released by the U.S. Department of State, Washington, DC, May 1999