Erin's piece for 32 Cells. Lyda Trueblood Southard. A black widow killer who, using barrels of soaked fly paper to extract the arsenic, murdered four husbands, her child, and a brother in law for, supposedly, insurance money. She was reportedly quite the charmer and very comely for her day. Using her charm to also escape from prison once, only to be caught later, then pardoned, and eventually die from a heart attack. Fascinating.