Wherever past atrocities are denied, truth must be spoken to power.
How long does it take to make peace? Decades after the end of the Bosnian war, just one in six residents felt that country had reached reconciliation.
Long regarded as something approaching a saint, Myanmar's de facto head of state appears to be running out of moral capital.
Abuses on Rohingyas have reached new height but neither Myanmar nor neighbouring Bangladesh are taking responsibilities to grant basic human rights to this population.
Significant links connect racial science in colonial southern Africa with the holocaust of the European Jews. Colonial racial science also contributed to the 1994 genocide in Rwanda.
Plenty of African states bristle at the rest of the world's eagerness to prosecute crimes committed on the continent. Some are finding other ways to do it.
Representatives of Namibian communities affected by the 1904-1908 genocide have filed a class action against Germany in the US seeking reparations for atrocities committed by Imperial Germany
Psychologists drew historically from theories of social Darwinism and eugenics to espouse the hierarchical categorisation of people into race groups.
Perceptions of hordes of refugees on the Greek island of Lesbos have damaged tourism. But the refugees are dignified people, not beggars. An initiative is needed to bring tourists back to the island.
Recognising the symptoms of the dispossessed will prevent crimes against humanity.
It's not just a nation's memory of itself, but what it does to citizens who disagree that reveals its ethical compass.
Former Bosnian Serb leader guilty of one count of genocide and numerous war crimes after 18 months of deliberation.
A four year trial and several years of deliberation later, and an international tribunal is to decide on charges of genocide and crimes against humanity.
As concerns rise about the risk of genocide in Burundi, the country could still avoid the worst thanks to its social structure. But time is limited.
Unlike the third-term fever afflicting the Great Lakes region, Rwanda is not mired in corruption and stagnation. Rwandans were fearful and anxious about what might happen after 2017 without Kagame.
We need to find ways of speaking about the horrific actions of Islamic State that help, not hinder, understanding of the magnitude of those crimes and what needs to be done to combat them.
Genocide has occurred throughout history, from the very beginnings of the social organisation of human communities until the present. But working out what do about it is no easy task.
In the run up to the 20th anniversary of the Srebrenica massacre, nationalists are fuelling divisions.
Russia is the latest to deny 1995 massacre was genocide. Why is it so hard to agree on this issue?
The ICC has not lived up to its noble intentions of making the world more just. Its failure echoes that of the 1928 Kellogg-Briand Pact, which set out to banish wars and to settle disputes peacefully.