IRMCT yatangaje ko kuri uyu wa Kabiri tariki 1 Kamena 2021, aribwo hateganyijwe inama ntegura rubanza [Status Conference] igomba kuba mbere y'uko Kabuga asubira imbere y'inteko iburanisha.
Kabuga aburanishwa n'Inteko y'Abacamanza bayobowe na Iain Bonomy, Graciela Susana Gatti Santana na Elizabeth Ibanda-Nahamya.
Uyu mugabo bivugwa ko yavutse mu 1935, yaboneye izuba mu yahoze ari Segiteri ya Muniga, Komini ya Mukarange, Perefegitura ya Byumba.
Inyandiko y'ibirego igenderwaho yatanzwe ku itariki ya 14 Mata 2011; uyu musaza yafatiwe i Asnières-sur-Seine, mu Bufaransa, ku wa 16 Gicurasi 2020.
Ku itariki ya 30 Nzeri 2020, Urukiko rusesa Imanza rw'u Bufaransa rwanze ubujurire bwa Kabuga ku Cyemezo cy'Urukiko rw'ibanze, cyemeje ko agomba gushyikirizwa IRMCT.
Ku itariki ya 1 Ukwakira 2020, Perezida Carmel Agius yashyizeho Urugereko rwa Mbere rw'Iremezo rugizwe n'Abacamanza Iain Bonomy, Perezida; Graciela Susana Gatti Santana na Elizabeth Ibanda-Nahamya, ruzaburanisha uru rubanza kuva igihe Kabuga yimuriwe ku cyicaro cy'Ishami rya IRMCT bireba.
Ku itariki ya 21 Ukwakira 2020, Umucamanza Iain Bonomy yahinduye Urwandiko rwo gufata n'Itegeko ryo kwimura, anategeka ko Kabuga yimurirwa ku Ishami rya IRMCT ry'i La Haye.
Kabuga yashyikirijwe IRMCT ku wa 26 Ukwakira 2020. Umuhango wo kwitaba Urukiko bwa mbere wabaye ku wa 11 Ugushyingo 2020. Icyo gihe, Kabuga yahakanye ibyaha byose aregwa mu nyandiko y'ibirego.
Félicien Kabuga aregwa icyaha cya Jenoside, kuba icyitso cy'abakoze Jenoside, guhamagarira abantu ku mugaragaro kandi mu buryo butaziguye gukora Jenoside, ubwinjiracyaha bwa Jenoside, ubwumvikane bugamije gukora Jenoside, itoteza n'itsembatsemba nk'ibyaha byibasiye inyokomuntu byakorewe mu Rwanda mu 1994.
