Karemera Edouard wari ufungiye ibyaha bya Jenoside yakorewe Abatutsi mu 1994 yapfiriye muri gereza yo muri Sénégal, aho yari yaroherejwe n’Urukiko Mpuzamahanga Rwashyiriweho u Rwanda, ICTR, ngo arangirizeyo ubuzima bwe bwose nyuma yo gukatirwa gufungwa burundu.