On this date in 1854, an Albany, N.Y. man named John Hendrickson hanged for the murder by aconite poisoning of his wife, Maria. “He has suffered the highest penalty of the law,” New York’s Weekly Herald pronounced the next day — “but whether justly or not, will likely never be known on earth.”...The district attorney introduced evidence courtesy of chemists named Salisbury and Swinburne, to the effect that it was no mean arsenic that carried away Maria Hendrickson but the more exotic potion of aconite — derived from a toxic herb seeded (per Ovid) by Cerberus himself. One can peruse...