It is by and large assumed that most – if not all – serial killer are men ; however , that is n’t quite true . We have a list of womanhood who are just as bad , if not speculative , than many of the most famed maleserial sea wolf . We ’re not wholly sure what caused these women to go off the rails . Many of them could have had relatively normal life story , but they did n’t really want it . Because of all the flagitious crimes that they have dedicate , they have landed on our list of the most malevolent women in history .

7. Mary I of England

Mary I of England – also known asBloody Mary – killed a pile of Protestants when attempting to rejuvenate Catholicism to England during her reign . The heterodoxy law of nature that she instated is responsible for the combustion of over 300 Protestants who were accused of being heretic . She was never prosecuted for any of her crime ; however , after her death , her re - establishment of Catholicism was reversed .

6. Aileen Wuornos

Aileen Wuornos was a main road prostitute who is see to be America ’s first female serial killer . She brutally shoot and soak seven men in Florida during the late ‘ 80s and early ‘ 90s . She claimed that the homicides were commit in ego - refutation ; however , she was find guilty of killing all six men and placed on expiry row . In 2002 , she was executed via deadly injection and a twelvemonth later her story was depicted in the Academy Award - make headway flick “ Monster . ”

5. Myra Hindley

Myra Hindley is debate the most malign char in British history . Along with her better half Ian Brady , she carried out the Moor execution in the 1960s . Together , they kidnap , sexually torment and murdered five children and stripling .

When they were caught , Hindley show dead no remorse for her crimes and plead not guilty . For 20 geezerhood , she maintained her sinlessness ; however , in 1987 , she eventually admitted that she had been involved in all five murders . In 2002 , she died in prison .

4. Karla Homolka

Karla Homolka is Canada ’s most ill-famed distaff sequent grampus . She helped her hubby , Paul Bernardo , Brassica napus and murder at least three women , one of them being her younger babe . She received a fairly light sentence for her crimes thanks to the plea mountain that she strike with the criminal prosecution . In exchange for her testimony against Bernardo , she receive a reduced prison house sentence of just 12 year .

The criminal prosecution did n’t sense badly about this deal at first . Homolka claimed that Bernardo had been abusing her and that she had been force to participate in the murders ; however , video evidence later come up , proving that she was n’t a victim but an participating participant in all of the murders . There was nothing that could be done though and her passel with the prosecutors has become known as the “ contend with the Devil ” as a result .

3. Rosemary West

Rosemary West is notorious in Britain for her crimes . She , along with her husband Fred , sexually assaulted , murdered and dismember a number of new women and buried them in their cellar . One of these woman was their girl , Heather . Since being charged , she has keep her purity ; however , the jury encounter it differently . In 1995 , she was convict of the torturing and murdering of 10 women and was doom to life imprisonment without parole .

2. Amelia Dyer

Amelia Dyer is one of the most fecund serial killers in story . She reportedly murdered about 400 or more babies over a 20 - year period during the straightlaced earned run average . She would prey on young , unmarried fair sex with infants who would pay up her to take care of their children . This practice was have sex as sister husbandry .

Unlike most babe famers , Dyer would take money from these charwoman but , or else of take care of their children , she would vote out them and underprice them in the Thames River . Even though she was creditworthy for a phone number of deaths , she was only tried for one slaying and was sentenced to dying .

1. Elizabeth Bathory

The Guinness World Records considersCountess Elizabeth Bathoryto be the most prolific female serial killer . She was incriminate of excruciate , mutilating and kill around 650 women between 1585 and 1610 . Even though there was substantial grounds against the Hungarian Countess , she never faced tribulation because of her family ’s influence .

Legend has it that Bathory had vampire - like tendencies . She reportedly bathed in the blood of victims in an effort to retain her youth .

evil women