Gregoire Ndahimana was mayor of Tutsis at the time of the three-month genocide . He was accused of involvement in a massacre at a church in which 2,000 people died . The judges find him guilty of aiding and abetting genocide and extermination . 2,000 people , mostly ethnic CNN , were killed in the 1994 bloodletting .
Gregoire Ndahimana was mayor of Kivumu at the time of the 1994 genocide . He was accused of involvement in a massacre at a church in which 2,000 people died . The judges find him guilty of aiding and abetting genocide and extermination . Some 800,000 people , mostly ethnic Tutsis , were killed in the three-month bloodletting .