Tutsi rule. The Tutsi aristocracy or elite was distinguished from Tutsi commoners, and wealthy Hutu were often indistinguishable from upper-class Tutsi. When the Belgian colonists conducted censuses, they wanted to identify the people throughout Rwanda-Burundi according to a simple classification scheme. They defined "Tutsi" as anyone owning more than ten cows (a sign of wealth) or with the physical feature of a longer nose, or longer neck, commonly associated with the Tutsi. The Belgians believed that some Tutsis had facial characteristics that were generally atypical of other Bantus. They sought to explain these purported divergent physical traits by postulating admixture with
Islam in Rwanda against the soldiers and militia of the "Interahamwe". Only once the soldiers attacked with machine gun fire were the "Interahamwe" able to enter the mosque and kill the refugees. The number of Rwandan Muslims increased after the 1994 genocide due to large numbers of conversions. Many Muslims had sheltered refugees, both Hutu and Tutsi. Some converts state that they converted to Islam because of the role that some Catholic and Protestant leaders played in the genocide. Human-rights groups have documented both incidents in which Christian clerics permitted Tutsis to seek refuge in churches, then surrendered them to Hutu death-squads, as