Alain Gauthier poses for a photograph in Kibuye, western Rwanda, on December 2, 2020. - Alain Gauthier and his wife Dafroza Gauthier has devoted much of their life to tracking down genocide suspects who have found refuge in France.Their efforts have enabled legal cases to be initiated against about 30 Rwandan suspects over nearly two decades. In Rwanda in 1994, between April and July, ethnic Hutu extremists carried out a genocide against the Tutsi minority and moderate Hutus in which at least 800,000 people were slaughtered. (Photo by Simon Wohlfahrt / AFP)