Abantu 6 bari bamaze imyaka 5 mu munyororo bagirizwa urupfu rwa Muganga Kassy Manlan, yaserukira ishirahamwe mpuzamakungu ryitaho amagara y'abantu mu Burundi OMS, bararekuwe ku musi wa mbere igenekerezo rya 13 ukwezi kw'indwi, inyuma y'umutaga. Umushikirizamanza mukuru wa Repuburika avuga ko atanejerejwe n'iyo ngingo, akaba amaze kwunguruza urubanza.
Urwo rubanza rw'abagirizwa ko aribo bagandaguye Muganga Kassy Manlan mu kwezi kwa cumi na rimwe mu 2002, rugiye kubandaniriza muri sentare Gasambura manza. Abo bakurikiranwa barekuwe inyuma y'ingingo ya sentare nkuru y'igihugu yabambitse izera kw'igenekerezo rya 12 ukwezi guheze.
Abo bantu basohokanye akanyamuneza kenshi, barekuwe inyuma y'imyaka itanu bari bamaze mw'ibohero rya Mpimba, batazira Kaminuza yo ku Musaga. Emile Manisha, umwe mu bapfunguwe, yabariye radiyo Ijwi rya Amerika ko mw'ibohero yahigiye ibintu vyinshi, kandi cane cane ko asohotse iryo bohero yarakiriye agakiza. Umushingwamanza yafashije kuburana abo bantu bakurikiranwa yamenyeshje ko agiye gushingisha urubanza rwo gusaba indishi y'akababaro. Avuga kandi ko urwo rubanza rwagaragaje ko abacamanza bo mu Burundi batigenga, kandi ngo imanza nazo zirateba
Urubanza rw'abagirizwa urupfu rwa Kassy Manlan yaserukira OMS mu Burundi rwagiye rurahindura intumbero. Kassy Manlan akigandagurwa, umunyamabanga wiwe, Gertrude Nyamoya, niwe yaciye afatwa. Mu nyuma yararekuwe n'umushikirizamanza w'ico gihe, Gerard Ngendabanka, yakoranye n'abanyororo bari baciriwe urwo gupfa mu kwagiriza aba barekuwe. Izo sura z'umushikirizamanza Gerard Ngendabanka zaciye zironswa impapuro z'inzira, zija kwibera mu mahanga urubanza rukibandanya.
Abarekuwe bari baciriwe urubanza rwo gupfa kw'igenekerezo rya 3 ukwezi kwa gatanu mu 2005 na sentare isubiramwo imanza i Bujumbura. Mu nyuma barunguruje urubanza muri sentare nkuru y'igihugu, nayo ibambika izera. Sentare Gasamburamanza niyo igiye gusubira kwihweza urwo rubanza, ibisabwe n'umushikirizamanza mukuru wa Repuburika. Ingingo izofatwa n'iyo sentare ntizosubirwamwo.
Abarundi amakungu n'umuryango wa Kassy Manlan barindiriye kumenya abishe uwo mukozi w'ishirahamwe mpuzamakungu ryitaho amagara y'abantu, uwabatumye, n'icabitumye. Hari n' abandi bategetsi bakomeye b'abanyamahanga bamaze kugandagurwa Mu Burundi. Nabo ni: Louise Zuniga yaserukira UNICEF mu 1998 na Michael Courtiney, intumwa ya Papa mu Burundi, yagandaguwe mu mpera z'umwaka w'i 2004. Imanza nti zirashobora kwarekana neza abakoze ubwo bwicanyi.