The Poison Affair

During the trial of Marie Madeleine d'Aubray, marquise de Brinvilliers, who stood accused of conspiring to poison her relatives to secure the family fortune, it was revealed that such poisons, or "inheritance powders," could be readily bought from Parisian fortune-tellers and alchemists. The news terrified high society, especially the king's court. An investigation was launched, and a hysterical period ensued during which how many people were executed for poison conspiracies? More...