It is generally assumed that most – if not all – serial killers are men; however, that isn’t quite true. We have a list of women who are just as bad, if not worse, than many of the most famous male serial killers. We’re not entirely sure what caused these women to go off the rails. Many of them could have had relatively normal lives, but they didn’t really want it. Because of all the heinous crimes that they have committed, they have landed on our list of the most evil women in history.