By Blaise Dariustone N’Djamena, Feb 3 (EFE).- In the middle of the Sahara desert, in northern Chad, stands a maximum security prison known as the “Chadian Guantanamo” and built for Boko Haram Jihadists and major criminals, but which also houses political prisoners. The object of numerous criticisms by human rights defenders, the Koro Toro prison …