Poison is an ancient weapon, convenient, non-confrontational and secretive. Women are five times more likely to use it than men. The poisoner is a particularly sinister killer able to sit back and watch someone die.
Westfield, an affluent suburb just outside the bustle of New York City, is home to picture-perfect homes and families alike. But in the grand home of John List and his family, a true monster hides behind the stately façade.