A handy list of female mass murderers

Someone on Facebook claimed mass murders had to do with maleness. While mass murderers are disproportionately male and male aggression shouldn't be ignored if you hope to understand and end mass murder, maleness doesn't explain any of the following: 1. Vehicular Homicide Olga Hepnarová, a Czech woman, deliberately hit a crowd of people with a truck, killing eight of the twenty that she struck.