This was, supposofly, not the first evidence of French treason. Another note was found written by the Italian attache to Paris, Lieutenant Colonel Panizzardi, to Schwartzkoppen. In this letter, Panizzardi referred to an agent by "Scoundrel D." Officers frantically searched the files of officers that might have access to some of the highly classified material mentioned in the letter. They quickly came across the name of Alfred Dreyfus. This would be the second unfortunate circumstance. The coincidence that Alfred's last name started with the letter D. Dreyfus's writing samples were scrutinized by Major Marquis Du Paty de Clam who was indecisive. Major Marquis, summoned a handwriting expert from the Banque de France, who was equally uncertain. On October 15, 1894, Dreyfus was summoned by Major Du Paty to appear at headquarters, wearing civilian clothes. Major Du Paty dictated from the bordereau, and Dreyfus was order to write it down. Dreyfus did so calmly, except for some shaking due to the coldness of the autumn day. Major Du Paty became infuriated by his calmness, and believed it was a facade to conceal his guilt. Dreyfus was immediately arrested for treason, by Minister of War General Auguste Mercier. Dreyfus instinctively pronounced his innocence. Later Major Du Paty de Clam offered him a gun to commit suicide, but Dreyfus would not, saying that he would live to prove his innocence and vindicate his honor.
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