 Ndayishimiye ari mu bacitse kwicumu mu bwicanyi bwakorewe abanyeshure bAbahutu kuri kaminuza yu Burundi mu kwa gatandatu 1995, bituma ahamvya abandi barwanyi bumuhari, ico gihe wari ucitwa CNDD ishami ryawo rya gisirikare rikitwa FDD, urongowe na Leonard Nyangoma yawutanguje mu 1994. 