Nannie Doss - Wikipedia

Nannie Doss (born Nancy Hazel, November 4, 1905 – June 2, 1965) was an American serial killer responsible for the deaths of 11 people between 1927 and 1954.[1] Doss was also referred to as the Giggling Granny, the Lonely Hearts Killer, the Black Widow, and Lady Blue Beard.