Explainer: The case of Habré
Hissène Habré, who ruled oil-producer Chad for eight years, has been accused of causing the deaths of more than 40 000 people by a national truth commission set up by the government of his successor, President Idriss Deby. He denies the charges.
The tribunal in the Senegalese capital, Dakar, operates under an African Union mandate.
Habre (72) spent more than two decades in exile in Senegal before being arrested in 2013.
This infographic first appeared on www.fidh.org