 On September 18, it was later shown in court, Castaing had purchased 10 grains of acetate of morphia.Two days later on October 7, Auguste cashed 100,000 francs of stocks, which he was later seen giving to Castaing.Auguste would later claim that this was to be used as a bribe to get the family lawyer, Lebret, to destroy a will by Hippolyte that favoured the brothers' sister.