Many notorious females are listed in world crime history. It's hard to believe but yes, some cruel and brutal women have proved that demons come in every gender. They are killers, who must never be named.
What they did is horrible and these stories are scary.
Aileen Wuornos, an American serial killer killed 7 men in Florida claiming that they all exploited her while she was a prostitute.
Elizabeth Báthory, a member of a Hungarian noble family is listed in Guinness World Records as the most prolific female murderer. She was accused of killing hundreds of young women with brutal torture in 15th and 16th century.
Vera Renczi was a Romanian/Hungarian serial killer who used arsenic to kill 35 people including her own husband, boyfriend and a son during 1920s.
Belle Gunness, a Norwegian serial killer killed her boyfriends and her two daughters as well.
Toppan was an American criminal who murdered 31 people. According to the sources, her ambition was she says, "to have killed more people - helpless people - than any other man or woman who ever lived.."
Leonarda Cianciulli, an Italian murderer killed three ladies and turned the dead bodies into soap and teacakes.
Juana is a Mexican wrestler who has killed dozens of elderly women. Her 16 murders are proved and is sentenced to 759 years of prison.
Beverley Allitt is a British serial killer who murdered four children and attempted killing nine other kids. She has been sentenced to 13 life sentences.
Darya Nikolayevna Saltykova, a Mexican serial killer who killed more than 100 women.
Francisca Ballesteros is a Spanish serial killer who killed her two daughters and husband. She is sentenced to jail for 84 years.