QUESTION: How Many Female Serial Killers Have Been Identified?
ANSWER: More than 1,100
A complete list of FSK (Female Serial Killer) cases from every part of the world can be found here:
A more useful presentation is the collection of specialized indexes, which organize cases into dozens of different categories, such as Occult FSKs, FSKs and Guns, FSKs who Dismember Their Victims, FSK Hitwomen, Sadistic FSKs, Survivors of FSKs:
For a collection of “highlights,” see:
More than 300 women who have murdered 2 or more husbands (or lovers):