Hutu and 14% of residents in Rwanda and Burundi, respectively. The Twa pygmies, the smallest of the two countries' principal populations, also share language and culture with the Hutu and Tutsi. However, they are distinguished by a considerably shorter stature. The Hutu are believed to have first emigrated to the Great Lake region from West Africa in the great Bantu expansion. Various theories have emerged to explain the purported physical differences between them and their fellow Bantu-speaking neighbors, the Tutsi. One such thesis, largely based on oral tradition, posits that the Tutsi experienced some admixture with or were partially descended from
Rwandan genocide between Hutu, Tutsi, and Twa. The systematic destruction of the judicial system during the genocide and civil war was a major problem. After the genocide, over one million people were potentially culpable for a role in the genocide, nearly one-fifth of the population remaining after the summer of 1994. After the genocide, the RPF pursued a policy of mass arrests for the genocide, jailing over 100,000 in the two years after the genocide. The pace of arrests overwhelmed the physical capacity of the Rwandan prison system, leading to what Amnesty International deemed "cruel, inhuman, or degrading treatment". The country's nineteen