Bundy. Dahmer. Kemper. Doss? Cotton? Eh? You might know a thing or two about Aileen Wuornos or even Countess Erzsébet Báthory, but what do you really know about female serial killers, their motives, and their means? In this episode, we take a look at some of latest research in this still-new field to try to understand these murderous women a bit better (and why we're so enthralled by serial killers in general).