R enegade general Ousmane Dillo has been highly visible in Paris this month, repeatedly railing at news conferences against the Chadian government led by his cousin, President Mahamat Idriss Déby, whom he blames for the killing of his brother Yaya Dillo Djérou, former president of the Parti Socialiste sans Frontières, in N'Djamena on 28 February 2024. But there is one related matter he has not raised publicly, and which his lawyers have kept strictly under wraps: a formal complaint filed with the