The Poisoners

In the year 1676 Madame de Brinvilliers was executed in Paris for the murders of her father, her two brothers and a sister. It was known that she had procured the mysterious poison that she had employed through the agency of one Sainte-Croix, who, in his turn, had received it from an Italian, Exili, whom he had met when both these scoundrels had been imprisoned in the Bastille for minor offences.
This affair caused an extraordinary sensation in Paris, but, with the death of the Marquise de B...