Nannie Doss (1905-1965) was a notorious serial killer who lived a double life. She was a seemingly normal housewife and mother, but behind closed doors she was a ruthless murderer who killed 11 people over the course of
From Wikipedia
Nannie Doss was an American serial killer responsible for the deaths of 11 people between 1927 and 1954. Doss was also referred to as the Giggling Granny, the Lonely Hearts Killer, the Black Widow, and Lady Blue Beard.