The revelations of the newspaper provoked a new groundswell for pressing the government by the right — this time in the person of Lieutenant-Colonel . Some suspected that Captain Charles Humbert was a force behind the scenes pushing the series of articles in Le Matin. When Jean Jaurès (leader of the French Socialist Party) accused him of this, Humbert defended himself by publishing a letter in L'Humanité and took the opportunity to denounce on the one hand the practices of denunciation that he had undertaken to fight when he was still in the cabinet of André and on the other hand the treatment to which he was subjected in July 1902.
