 Mu mwaka wi 2015 arongora igisata ciperereza, jenerali Karenzi yarafatiwe mu gisagara ca Londres ku mutahe wasohowe nigihugu ca Espagne, akurikiranwa ku vyaha vyo mu ntambara mu gihugu cu Rwanda no muri Repubulika Iharanira Intwaro rusangi ya Congo, ariko munyuma arasubira mu gihugu cu Rwanda. 