A woman weeps as she visits the grave of a family member killed in the 1995 massacre at the Potocari memorial complex near Srebrenica, Bosnia and Herzegovina, on Saturday. Marko Drobnjakovic/AP hide caption

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Raphael Lemkin is the Polish lawyer and linguist who coined the term "genocide" — and dedicated his life to making genocide recognized as a crime. Copyright by Arthur Leipzig /Courtesy of Howard Greenberg Gallery, New York hide caption

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Guatemala's former dictator Efrain Rios Montt arrives in court Jan. 31 in Guatemala City to stand trial on genocide charges. On Monday, his conviction was overturned. Moises Castillo/AP hide caption

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