Sharon Kinne. Joan Shannon. Celeste Beard. Three of the most notorious female serial killers in modern times have also been the most promiscuous. Sharon Kinne slept with as many men as she could, killing those where she could make a profit. She would escape from prison and remain at large to this day. Joan Shannon ran her own "swingers club" before recruiting her own daughter to murder her husband for insurance money. Celeste Beard would marry over five times before settling on a Texas millionaire that she would kill for money...All three women are profiled here in these true-life tales of sex, greed, and violence.