20 Terrifying Killers You’ve Never Heard Of

#10 Nannie Doss

Photo: YouTube

Some serial killers have a nickname, but Nannie Doss has several: Giggling Granny, Lonely Hearts Killer, the Black widow, Lady Blue Bead, and the “self-made widow.”

Her three-decade-long killing spree created 11 victims: 4 husbands, 2 children, 2 of her sister, her mother, a grandson, and her mother-in-law. Her go-to method was poison.