The Predictor of Future Behavior

Lizzy would not fit the mold in terms of being a female, but certainly there are other female offenders who've committed parasite. Parasite is what would apply here, even though Lizzie did not regard her stepmother as her mother, it's still a parental figure. Only about two to 5% of all homicides involved parasite. However, crimes of parasite often involve what looks like overkill or very violent crime scene.