Sister Gertrude was indicted for war crimes on 25 January by the Belgian examining magistrate. However she was not arrested. Sister Kisito was interrogated on the same day but was not indicted for having participated in the massacres at the convent for lack of proof at that time.
During 2000, serious charges implicating the two nuns were made following the testimony of Emmanuel Rekeraho, the leader of the militia in Sovu.
Their trial, which was to last eight weeks before the Brussels “Cour d’assises” (in a trial including a jury), began on 17 April 2001. The co-accused were Vincent Ntezimana and Alphonse Higaniro).
On the evening of 8 June 2001, after almost twelve hours of deliberations, the Jury found Sister Gertrude guilty on all counts.
The Court handed down a sentence of fifteen years imprisonment against Sister Gertrude.
