Why did the Chadian president detain his chief of staff?

French and Chadian sources revealed that the chief of staff of Chadian President Mahamat Deby has been in detention for about four months on fraud charges. According to a Chadian source, Idriss Youssouf Bouye, a senior aide to the Chadian president with the rank of minister and part of the inner circle of decision-making, has been detained since last January without his arrest being officially announced, and without his referral to justice. The …