<prompt> Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Mhedzisiro yeongororo yakaitwa kusvika parizvino yakasimbisa kuzivikanwa kwevakaurayiwa vaviri: wekutanga muna 2011, wechipiri muna 2017.  <response>: Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi Migumisiro yomuedzo kusvikira zvino yakaitwa yakasimbisa kuzivikanwa kwavanyajambwa vaviri, yakaramba bviro yavamwe vanhu vaduku vakawanda vanonyangarika savanyajambwa vaGacy, uye yakagadzirisa mhaka ina dzisina chokuita dzisina kutongerwa kutongwa dzinovambira pakati pa 1972 na 1979. 