From journalist Amber Hunt and the Obsessed Network
When widower Sam Doss was rushed to the hospital with abdominal pains in 1954, his doctor was flummoxed by his life-threatening yet mysterious illness. But Doss got better and came home -- then died the next day. That's what prompted police to look at his matronly, sweet-talking new wife, Nannie.
Born Nannie Hazle, it turned out this missus had left a trail of dead husbands behind her -- not to mention several relatives, all of whom died of sudden and inexplicable illnesses. By the time Nannie was done confessing, she'd earned nicknames like The Giggling Grandma and The Black Widow.