In his book, Serial Murderers and their Victims, author Eric Hickey probably best describes females who murder as "quiet killers." His study of these women throughout the 19th and 20th centuries has led him to believe — and his peers agree with him — that, unlike their bombastic and zealously motivated male counterparts, female serial killers are much more subtle. They are sly, deliberate and careful in plotting their murders and performing them. Scenes of bloody rampages are rare,