sentences:  On seeing letters from Esterhazy, Picquart realized with amazement that his writing was exactly the same as that on the "bordereau", which had been used to incriminate Dreyfus.He procured the "secret file" given to the judges in 1894 and was astonished by the lack of evidence against Dreyfus, and became convinced of his innocence.Moved by his discovery, Picquart diligently conducted an enquiry in secret without the consent of his superiors.