Texas housewife Darlie Routier staged a vicious attack that left two of her young sons dead.
Gang leader Christina Walters and her crew murdered young women for an initiation ceremony.
Sunday school teacher Melissa Huckaby raped and killed her neighbour's young daughter.
Kelly Fuller stabbed her ex's new girlfriend Jessica Lang 50 times.
Prolific poisoner Lydia Sherman killed three husbands and all seven of her children with arsenic.
Bank robber Marjorie Diehl-Armstrong killed a pizza delivery boy with a pipe bomb.
Amber Cummings shot her white supremacist, child-pornography loving, Nazi-obsessed husband.
Self-proclaimed voodoo queen Josephine Gray murders her husbands.
Linda Lou Charbonneaugets left her husband for his nephew - then killed both men.
After an online battle over a boy, Rachel Wade murdered Sarah Ludemann.
After being caught stealing, Sarah Mitchell brutally murders her sister.
In need of money, Robin Lee Row set her house - with her husband and children inside - on fire.
Elizabeth Haysom got her boyfriend to murder her parents for threatening to cut her off.
Respected 1760s London midwife Elizabeth Brownrigg secretly and ruthlessly tortured her servants.
Susan Wright killed her cheating husband to avoid the ignominy of divorce.
Troubled teens Cindy Collier and Shirley Wolf stabbed a friendly elderly woman to death.
Tina Powell and LaFonda Foster go on a drug binge and murder five friends in different ways.
After her boyfriend breaks up with her, Jane Andrews murders him in his bed.
Socialite Valerie Pape dismembered her abusive husband.
