Using modern biology and history to investigate a series of grisly deaths in the countryside of 18th-century France. Something unimaginable occurred from 1764 to 1767 in the remote highlands of south-central France. For three years, a real-life monster, or monsters, ravaged the region, slaughtering by some accounts more than 100 people, mostly women and children, and inflicting severe injuries upon many others. Alarmed rural communities--and their...