Séraphin Twahirwa led an Interahamwe militia (the youth organization of the National Republican Movement for Democracy and Development) during the 1994 genocide. The militia is allegedly responsible for massacres of Tutsis in a central region of the country.
Twahirwa and two other suspects were charged with serious violations of international humanitarian law on 30 September 2020. Twahirwa is currently detained in Belgium. He will be tried in Belgium.
The investigation is ongoing and acts covered by the secrecy of criminal procedure were carried out throughout the year 2021.