 Ahavuye isanamu, Getty Images Insiguro yisanamu, Ishure kaminuza American University ryafashije abakobwa ba Chibok barokotse igitero ca Boko Haram Bwana Abubakar abona ko yagiriwe amahirwe yukwiga amashure kuri porogramu zuburaya bwuburengerazuba ariyo ikoreshwa kuri iyo kaminuza, isanzwe irwanywa bikomeye na Boko Haram. 