The case of 17th-century serial killer Erzsebet Bathory - a Hungarian aristocrat who is said to have murdered 600 of her servants in an attempt to achieve eternal youth

The cases of Belle Gunness, who murdered her victims to reap financial rewards, and a carer from Connecticut who turned a home for the elderly into a death parlour

The stories of notorious killer Katherine Knight, an Australian who skinned and decapitated her errant lover, and Blanche Taylor-Moore, who poisoned her partner in hospital

Connecting three women who were driven by different reasons to commit murder.

The case of two women who murdered their own children because of an obsessive infatuation.

Examining what caused three women to murder innocent people.

How Judi Beunoano and Genene Jones managed to keep the crimes they committed a secret.

Examining the cases involving 'angels of death', including the crimes of Beverley Allitt and Stella Nickell.

An investigation into what made women like Aileen Wuornos, Anna Hahn and Dorothea Puente stalk the night in search of victims.

The case of 10-year-old Mary Bell who strangled toddlers, a playground plot that ended in murder and a teenage passion that turned to bloody rage.

A businesswoman kills for cash, a bizarre love affair ends in slaughter, and a midwife becomes a cold-blooded murderer.

The crimes of psychopathic killers, including a nurse who betrayed a patient's trust to indulge her deadly desires, and a brutal babysitter.

Looking at killers who hid their instability, including an outgoing hiding dark secrets at home, and two old ladies behind a horrific murder.

Examining crimes of passion, including an office affair that turned toxic and a lover who used the Internet as a murder weapon.

A woman boards a train with a grisly secret in her luggage, an active imagination causes a gruesome crime, and a seductress moves from men to murder.

How Charles Manson drove women to murder, exploring Myra Hindley's past, and why a young mother was persuaded to kill.

How a woman took a baby from an expectant mother's womb, two girls killed to protect their friendship, and a killer committed her crimes for a serial murderer she loved.

A sex-obsessed housewife who lured girls to their graves, a couple who took pleasure in killing, and a woman who swapped single motherhood for a violent relationship.

A mother who smothered her baby, a woman who drowned the sons she believed made her unhappy, and how another who was driven by delusions to destroy her family.

A promiscuous housewife who murdered her husband, a woman who tortured her lodger to death, and a police officer who took a child on a killing spree.

A wronged wife who murdered her ex-husband, a jealous girlfriend who took revenge on her rival, and a girl who killed her own father.

A mother who manipulated her son into committing murder, a woman who made a deadly request of her children, and a daughter who was used as a lure for a family business.

The path towards revenge can sometimes lead to murder. It can be quick,fiery and violent. When these women were crossed, they didn't take it lying down. Murder was their answer.

While their sisters chose a life of sensible, suburban motherhood, these Deadly Women chose a life of crime. Gangsters, thieves, drug-lords. They lived with the thrills, the danger, and the deadly con…

Greed is one of the oldest motives for murder, and these deadly women are no exception. They'll do anything to satisfy their need for cash. They stalk their victims throughout society - rich and poor.…

Apart, a woman and a man can be innocent, safe to society. But when some couples unite, they spark a terrible urge for destruction. Happy couples become deadly teams, intent on one goal--murder.

While marriage is meant to be for life, so often it ends in divorce. Their loving husbands were there 'to have and to hold,' but these wives had murderous minds on a different marriage vow: 'till deat…

To the Master Manipulator we are all just the pawns in their game. Men, children, friends... anything is possible. For these women, they manipulate others to kill for them... but these girls didn't ge…

Christina Walters defies the odds by becoming a gang leader at age 20 and attempts to earn the Crips' tear tattoo under an eye meaning they've killed. As deadly initiation, Christina and her gang kidn…

Tiffany Cole kidnapped and buried alive an elderly couple who had helped care for her as her father was dying from terminal cancer. Seeking initiation into the notorious street gang, the Bloods, Shond…

Mother and wife Lydia Sherman laced food and drinks with arsenic, killing three husbands and all of her children. Young mother Paula Sims murdered her two young daughters, but let her son live due to …

Jealous of the attention given to her children, Darlie Routier stabbed two of her sons and staged a break in to get that attention back. Frances Newton cold-heartedly shot her husband and two young ch…

Southern belle Louise Peete shot and killed multiple partners – leaving a trail of blood and bodies behind her before the state took her life in the gas chamber. Instead of divorce, horse owner Jane D…

In order to kill her father, Marjorie Diehl-Armstrong had to make enough money to hire a hit-man and decided to use a collar bomb as a weapon. Little did her accomplice know the bomb on his chest wasn…

Battered housewife Amber Cummings shot her white supremacist, child-pornography loving, Nazi obsessed husband to save her daughter from being sexually assaulted. Consumed with greed, alcoholic con-art…

Self-proclaimed voodoo queen Josephine Gray terrifies her husbands and kills them, but due to lack of evidence, locking her up called for some very drastic actions. Elisa McNabney and Sarah Dutra have…

Robin Lee Row needs money to pay off her excessive spending, her solution is to set the house on fire with her husband and two kids inside. But her water-tight alibi leads police on a wild goose chase…

Rachel Wade and Sarah Luderman engage in an online battle for the affections of a boy and the battle enters the real world. When Sarah takes one risk too many by confronting Rachel at a house after hu…

After learning her first husband had an illegitimate child, Raynella Dossett Leath begins to control every aspect of her new husband life, including his death when she's overcome by greed. Soon afterw…

Sarah Mitchell lives rent-free in the house of her hard-working, well-to-do older sister Stevie. When Stevie cuts her off after learning Sarah had been stealing money and writing checks in her name, S…

Respected midwife Elizabeth Brownrigg secretly abuses her servants and ruthlessly tortures, beats and starves them. It's not until one girl is found dying from numerous open sores that this woman is f…

Susan Wright is supposedly abused and controlled by her husband, who spends days having affairs with strippers and using drugs while Susan raises their two young kids. Susan doesn't believe in divorce…

Within hours of meeting in juvenile detention, troubled teens Cindy Collier and Shirley Wolf begin to plan a life together and step one in the plan included killing somebody random. Their victim of ch…

Tina Powell and LaFonda Foster are drunk and high when they go on a killing spree, taking five friends hostage and brutally killing them all one by one in different ways. The night proves to be the de…

Jane Andrews is appointed the wardrobe specialist for a Duchess in England and after losing her job, her only connection to the high life of England is her boyfriend. When he breaks things off after s…

Kirsten Costas reminds her classmate Bernadette Protti of everything she wants, but could never have. The solution to the problem was to annihilate the source of the pain by stabbing Kirsten to death.…

When Patricia Robinson-Olsen has money problems, she resorts to soliciting her teenage son into shooting her second husband Neil to death, and then attempts to have him take the fall. Valerie Pape was…

Spending most of her life in expensive British boarding schools, American teen Elizabeth Haysom is an honor student who has plans to study the arts, but her parents have other ideas and give her an ul…

When these women meet their mate they gain a partner in crime and life.

These young women plans for revenge ended in murder.

For an English Rose, husbands equal dollar signs; for a serial killer, feeding her family pays; for a businesswoman, a missing mother keeps the checks coming.

One woman's murders go undetected for years; Granny's husbands keep dying; a divorcee uses friendship to kill.

A mother's love turns bad when she betrays the innocence of her children.

Men are blinded by love and passion when it comes to the women in their lives.

Some women are so cold and brutal they don't need an excuse to murder.

When emotional changes start to become overwhelming the results can be bad.

Unsuspecting victims get too close to their enemies.

Women exact their vengeance when the kill in cold blood.

When deadly women and killer men pair up they spiral into a world sickening fantasies.

These women discover that for them death has benefits.

These mothers teach their sons to hate and kill.

Women who brutally kill their their victims without a second thought.

Women kill the men that love them.

Victims dealing with the ''death knock'' from deadly women.

When these deadly women are loved they shine, but push them too far and they turn dangerous.

A mom locks up her daughter like she's a prisoner-of-war; a helpful neighbor quietly kills her community; lesbian lovers bash and burn a complete stranger.

A businesswoman targets a lottery winner; a young bride sends her husband overboard.

Some women are just cold-hearted and attack "Without Pity". A mother who wants another baby is prepared to steal from the womb; a grandmother's outward devotion masks his sadistic nature; and an unhap…

Teens who are willing to kill to get what they want, including one who makes herself an orphan and another who murders her grandmother to be with a boy.

An Englishwoman fights with her boyfriend; game players lure a man into a deadly trap.

A mother in Missouri uses her children for money; a Texas mom becomes delusional; an Australian mother drowns her son.

A prostitute kills her second, third and fifth husbands; a woman murders her husband and makes it look like a suicide; a woman poisons her husband with antifreeze to collect his life insurance policy.

Ladies that believe social status gives them a license to kill; they assume they are entitled to do it.

For some women evil lurks from the beginning and there is no stopping it.

A teacher seeking financial gain; a daughter plotting murder; a lonely heart and damaged mind. These women truly believe romance is dead.

Women willing to sacrifice the innocent. Betrayal; jealousy; coping with children.

Sometimes, a woman has a killer instinct when she meets her other half. These wicked women exert control over their partners to become the master puppeteer of a murderous plot. Acting as two on behalf…

Women that convince their closest relatives to become party to murder.

A mother sacrifices her son; a teen rebels; a bookkeeper steals her way to murder.

A scorned lover weaves a web of lies; a Goth teenager orders a reign of terror; a gold-digger buries secrets.

A California woman commits a deadly sin rather than live with an immoral husband; a housewife drives two women to join a murderous poison ring.

A Texan goes to any length to keep her man; a mother does the unthinkable to her tiny son.

The Season 8 opener features examines the infamous 1892 ax murders of Lizzie Borden's parents.

Women who are after their mothers' cash are featured.

Young female killers are spotlighted.

A woman seeks revenge; an affair turns deadly; and a wealthy housewife hides secrets.

Killers who hide from the law in plain sight are profiled.

Women who committed crimes in the name of money are profiled.

Wives who murdered their husbands are profiled.

Revenge-motivated murders.

Women's cruel actions are spotlighted.

Women who sought revenge after being rejected are profiled.

A middle-aged woman goes after an older man; an Army wife isn't satisfied with her husband; and a black widow poisons her mates.

A divorced woman fakes a home invasion; a mix of jealousy and alcohol affect a UK mother; and a drug kingpin eliminates the competition.

A comely woman goes after an older man; a cabaret star performs a finale that kills; and a deadly farmer's wife is profiled.

Women who killed their husbands are profiled.

A bondage queen doles out punishment; a vengeful teenager ignites a blaze; and a doctor prescribes lethal cures.

Women who sought revenge after bad breakups are profiled.

A woman seduces both men and women; a churchgoer discovers a new faith; and a matriarch rules with an iron rod.

Scorned women unleash their hidden rage.

Two women team up to mastermind a murder.

Women turn on their own families in acts of revenge and greed.

When these women exposed their true selves, their men found out they'd been 'Sleeping With The Enemy.' A beauty queen tried to free herself from her family; an accountant's tryst turned deadly; & …

For these women blood isn’t thicker than water. A teen sacrifices her family for an inheritance; an obsession with Hollywood memorabilia leads a recluse to kill her parents; and a soccer mom's social …

These women love to gamble; but when the money's all gone, the stakes turn deadly. A transgender woman is willing to kill for a new body; a mother and daughter trade a family member for cash; and a wi…

For these heartless women envy is the deadliest sin. An obsessed mistress sacrifices her lover's wife; a young lover kills her girlfriend to keep her from the arms of another; and an angry cowgirl des…

When these women have scores to settle, they take matters into their own hands. A traumatized woman thinks she's an avenging angel; one of Mexico's infamous serial killers targets the elderly; and a m…

These women think their men are worth more dead than alive. A scorned Southern belle tries to cash in on her ex's life; a countess clings to her riches through violent means; and a mother of two trade…

Some women like company when they take a life. Teenage lovers chose each other over the life of a loving grandmother; a cold-hearted aunt uses her nephew to become a wealthy widow; and a friendship tu…

They look like sweet grannies but they prove murder has no age limit. A grandma's need to control her grandson takes a deadly turn; a retirement home romance meets a lethal end; and an aging gold-digg…

When a former police officer is dumped she takes the law into her own hands; a quiet housewife buries her marriage problems in the garden; and an excited fiancée turns into the worst kind of bridezill…

Some women have short fuses and when their blood boils get out of their way. A couple's New Year's resolution ends in a murderous rampage; a pious parish housekeeper hides a sinful secret and a Christ…

Some women like others to do their dirty work. A drama queen brings her love triangle to a permanent end; an intimate betrayal turns friends into deadly foes; and a loose woman will do anything to pro…

They may be the fairer sex but when they clash it can be downright brutal. An abusive mother takes drastic steps to keep custody of her child; a small town gossip sparks a murderous grudge match; and …

A secret addiction drives a young woman to sacrifice her wheelchair bound employer; a scheming caregiver betrays the man who trusts her; and a single mother’s desire for a better life leads to a bruta…

Some women can't resist boy toys. But fur flies when these Deadly Women reveal they're "Killer Cougars."

These Deadly Women are old but not wise. You have to watch your back when "Granny Gets a Gun."

They are "Bad To The Bone"... it’s only a matter of time before they become Deadly Women.

These Deadly Women won’t let their men go... they "Cling ‘Til Death."

They look sugar coated but these Deadly Women are made of "Sugar And Spite."

The stakes are high and the chips are down when these Deadly Women decide to "Cash In."

These Deadly Women satisfied their blood lust within the family... they were "Killer In-Laws."

A social worker can’t keep the lid on her possessive nature, a friendship is destroyed by jealous delusions, and young love leads to a violent end.

Greed and lust drove these Deadly Women to commit "Unspeakable Acts."

Dig into the world of these Deadly Women... and in their "DIY Burial," you will find blood and bone.

The match is struck, the fuse is lit, and it’s only a matter of time before the "Anger Mismanagement" of these Deadly Women will see them explode.

With hearts of stone, these Deadly Women give their men special send-offs when "Love Leaves Town."

It’s easy to keep friends and enemies close when they’re one and the same. These Deadly Women turn from "Friends To Foes."

These Deadly Women didn't grow old gracefully; they committed "Mid-Life Murder."

These Deadly Women didn't grow old gracefully; they committed "Mid-Life Murder."

These Deadly Women brutally turned on family and in-laws, they had Broken Ties.

These Deadly Women aren't afraid to take a walk on The Dark Side.

These Deadly Women liked company when they killed, for them it took Two to Tangle.

Two can keep a secret, if one of them is dead. These Deadly Women think they've committed the perfect murders when they Hit and Run.

These Deadly Women get their kicks from the suffering of others. They enjoy being on Death Watch.

When these Deadly Women turn green-eyed they reveal their Hot Tempers, Cold Hearts.

These Deadly Women sacrificed their loved ones to satisfy their Love of Money.

These Deadly Women take the wedding vow "till death do us part" seriously; they make sure their marriages are Fatal Ties.

When these Deadly Women strike they keep it "In The Family."

Innocent blood spills when these Deadly Women reach their Tipping Point.

When their love life goes sour these Deadly Women take lethal revenge. They are Dumped and Dangerous.

Sometimes the most dangerous place to be is in the arms of your loved one.

When love goes wrong it is a dangerous game. These Deadly Women "Kiss then Kill."

Friendships provide love and support, unless they turn toxic.

Every murder is a tragedy but some are plain barbaric.

Some women can’t admit their failings and point the finger of blame at others.

Former FBI criminal profiler Candice DeLong delves into the minds of female killers.

Jealousy can become an obsessive trait, even a deadly one.

A beautiful face can mask the ugliest of intentions.

Kristin Stephens uses her husband’s money to fuel her gambling addiction; Brittney Dwyer convinces her roommate to drive to her grandfather’s home to search for money; a couple targets an employee to …

Sometimes beauty can mask the ugliest of truths.

Home is where a killer lurks

Commitment has an out clause...`til death do us part.

The stakes are high in the game of love.

Jealousy is an affliction.

Breaking up is hard to do.

Some women marry for money while others are prepared to murder for it.

Ways to leave one's lover.

When love turns to obsession, these women make their lover their possession.

When one deals with the devil, somebody's gonna get burned.

When life becomes a powder, these morally bereft women light the sparks.

Extraordinary cases of women who repay a parent's unconditional love with cold-hearted betrayal.

Stories of depraved women who don't allow sacred marriage vows to get in the way of cold-blooded murder.

Stories of three women who are so deceptive and entitled - rules do not apply.

Killing comes easy to those with hearts of ice.

These morally corrupt women think they can outsmart everyone - and they do.

Desperate and dangerous, three women's unquestioning loyalty to the wrong person ends in tragedy.

Eyes are the windows to the soul, but not for these demented women.

For these diabolical women, two's company and three is a murder in the making.

Portraits of women who don't fend for themselves, but feed off others for money, mayhem and murder.

Three cases of ruthless women who perilously cross the line from need to greed.