FILE - In this Friday, April 5, 2019 file photo, family photographs of some of those who died hang on display in an exhibition at the Kigali Genocide Memorial centre in the capital Kigali, Rwanda. Félicien Kabuga, a former radio station owner, appeared Wednesday in a United Nations courtroom to face charges that he armed and incited militias that took part in Rwanda's 1994 genocide. It was the first time Kabuga had appeared before the U.N.'s International Residual Mechanism for Criminal Tribunals since he was transferred to The Hague following his arrest outside Paris in May. (AP Photo/Ben Curtis, File)

FILE - In this Friday, April 4, 2014 file photo, the skulls and bones of some of those who were slaughtered as they sought refuge inside the church are laid out as a memorial to the thousands who were killed in and around the Catholic church during the 1994 genocide in Ntarama, Rwanda. Félicien Kabuga, a former radio station owner, appeared Wednesday in a United Nations courtroom to face charges that he armed and incited militias that took part in Rwanda's 1994 genocide. It was the first time Kabuga had appeared before the U.N.'s International Residual Mechanism for Criminal Tribunals since he was transferred to The Hague following his arrest outside Paris in May. (AP Photo/Ben Curtis, File)