sentences:  On the evening of 13 August 1898, Cuignet, who was attached to the cabinet of Cavaignac, was working by the light of a lamp and observed that the colour of the lines on the "faux Henry" paper header and footer did not correspond with the central part of the document.Cavaignac was still trying to find logical reasons for the guilt and conviction of Dreyfus but was not silent on this discovery.A board of inquiry was formed to investigate Esterhazy, before which he panicked and confessed his secret reports to Major du Paty de Clam.