Power-hungry drug addict and prostitute Karla Faye Tucker used a pickaxe to murder an ex-boyfriend and a woman he was having a one-night-stand with. Volatile, hot-tempered single mother Jessica McCord used her children as a lure to send her loving ex-husband and his new wife to a fiery grave as revenge for leaving her. And Clara Harris responds to her husband's ongoing affair with his receptionist by attacking them in a four-star hotel and running over him with her car in the parking lot.
Infamous drug lord Griselda Blanco has had roughly 100 people murdered in Miami, but outdoes herself by putting a contract on one of her hit-men and killing his 2-year-old son by mistake in a drive-by. Bad girl Barbara Graham had so much hatred towards her abusive mother that she pistol whips a lonely widow to death in order to let it all out. Self-proclaimed "Queen of Thieves" Juanita Spinelli fostered young teens and taught them to become her henchmen, but when they accidentally kill an innocent man, she murders one of her helpers to keep him from talking.
Serial wife Jill Coit married a man for his money, but when he learns she's been married eleven times he divorces her, and she then ends the relationship (along with his life) for good with a gun. After former exotic dancer Marjorie Ann Orbin got all she ever wanted from her wealthy husband, she shot and dismembered him, and then disposed of his body in the desert. A caring, church-going lady Barbara Stager shoots her sleeping husband after he discovers that she's greedy, an adulteress and a liar. An identical "accident" with her previous husband and tape recordings by her fearful husband ultimately give her away.
Rebellious teenager Caril Fugate and her out-of-control boyfriend go on cross-country killing spree that leaves 11 people dead. Sexually sadistic alcoholic Valmae Beck willingly lures a 12-year-old girl into a deadly trap to help her equally sexually sadistic husband satisfy his darkest desires, and she was turned on by the incident just as much as he was. Under the spell of her dangerous husband Tracey, Ashley Humphrey stalks and kills Tracey's ex-girlfriend Sandee to prevent her from pressing rape charges against him.
Preacher's wife Mary Winkler shoots her sleeping husband, claiming she was subjected to physical, sexual and emotional abuse. After a trial that gained national attention, her sentencing would become one that would divide the nation. Rebecca Salcedo married a socially awkward rich man for his money and after learning she'd only get a few thousand dollars by divorcing him, she creates a sinister plan to take him for all he has. Betty Broderick is divorced by her cheating husband. Dan and his new wife are granted custody of the kids. Betty decides to shot and kill them both as they slept in their mansion.
Black widow Sharon Nelson marries a man for his money, drains his bank accounts, turns to her secret lover, and talks him into killing her husband before moving onto another man. Seductress Virginia Larzelere got every man she came into contact with (including her own son) tangled in a web of lust and greed, which allowed her to hire a hit-man to shoot her husband in the middle of the day in his dental office. Sheila LaBarre inherits her husband's farm and entices young men to help share the work and her bed. Only after moving in with her does Sheila reveal her monstrous nature and she ultimately lured at least two men to a fiery grave.
Theresa Knorr was driven by series of deadly delusions to kill two of her daughters. Fueled by a potent cocktail of prolonged alcohol abuse, intense anger problems and unstable mental health, Debora Green set her house on fire and killed two of her three children to get back at her husband for leaving her. Diane O'Dell had a series of bad relationships and was often pregnant; but if the father wasn't around for the birth, Diane made it a habit to smother the infants to death and place their body in a box.
In an attempt to gain power and respect, Tillie Gburek portrayed herself as a fortune teller who predicted when people would die. To make her predictions come true, her clients were given her signature hearty stew that was laced with arsenic. A lifetime over-achiever and fresh out of law school, Beth Carpenter was determined to take custody of her niece, but the judge granted custody to her sister Kim and Kim's partner Buzz. Taking the law into her own hands, out of anger she and her boss hired a hit-man to kill Buzz for $5,000. Caroline Grills inherited her mother-in-law's beautiful home by killing her via food laced with thallium (rat poison), but she enjoyed it so much that she killed two more relatives over a nice cup of tea.
Wendi Mae Davidson kills her husband by injecting him with drugs that are normally used to euthanize animals. Anu Singh was a troubled young woman who planned to commit suicide and threw a party to celebrate her final day on the earth; but no one knew she was planning to take her fiance with her. While Joe died after being given multiple shots of heroin, Anu didn't die. Black widow Lynn Turner married two police officers while working as a dispatcher. When she got bored with her husbands, she simply killed them by poisoning them with ethylene glycol (aka antifreeze) hidden in a bowl of Jell-O.
Jennifer Reali was with a man who used seduction and Bible passages to convince her to murder his wife, painting the murder as an act of mercy to set her free of the pain she was suffering from a disease called lupus. Alongside her greedy boyfriend Carl, Bonnie Heady abducted a 6-year-old boy by posing as his aunt and they held him at ransom for $600,000. Even after his parents sent the money, they killed the boy to keep him from revealing their identities. Using threats to hurt her family members and reveal humiliating information to the public, Fred Andros convinced his lover Dawn Silvernail to kill the woman whom he made Dawn have lesbian sex with while videotaping the affairs.
Anjette Lyles was a lively, successful restaurateur who was secretly obsessed with black magic and when relatives got in the way of what she wanted, she'd simply kill them. Two husbands, a mother-in-law and her young daughter all died of arsenic poisoning at her hands. Susan Grund's desires to be sexually desired by men and come across as a devoted, classy wife did not mix. When her husband Jimmy became aware of her actions, he soon died after being shot. She was jailed for it, but there's still a dispute as to who the perpetrator really is. Audrey Marie Hilley secretly used arsenic to kill her husband and her daughter barely escaped a similar fate. Marie soon was on the run – moved to a different area and used two different identities to cover up her tracks and remained undetected for years.
Under the influence and with her boyfriend, Christine Paolilla murders her four best friends in a robbery gone wrong in Houston and remained on the loose for years. Even during that time, however, she wasn't exactly free as she was being haunted by her murdered friends. Penny Boudreau's boyfriend was sick of the bickering between her and her 12-year-old daughter, so he said "either she goes or I go". Upon saying that, he meant that she must go to live with her father, but Penny took things too far and strangled her only child to keep her boyfriend. Jennifer Hyatte fell in love with a prisoner while working as a nurse and they got married. After her husband's latest parole hearing, she showed up at the courthouse with a gun and shot a guard to free her husband.
After straight-A student Nicole Kasinskas is denied permission to live with her boyfriend, they punish her mother by bludgeoning and stabbing her to death. In 19th century Britain, Constance Kent was furious at her father for cheating on her dying mother with the governess, Mary, whom he marries after Constance's mother dies and has a young son with. She gets revenge towards Mary and her father by slashing the throat of her young half-brother and disposing of him in an outhouse. After her brother is arrested for viciously murdering two people, Belinda Van Krevel blames their father for treating them badly and when her brother gets a life sentence, Belinda takes revenge by having her brother's best friend murder her father.
Lisa Michelle Lambert was furious at the fact that her boyfriend Lawrence raped 16-year-old Laurie Show, but blamed the victim rather than the perpetrator. Lisa Michelle became obsessed with stalking young Laurie and ended her life by setting a trap to lure Laurie's mother out of the house and then cutting Laurie multiple times in her own bedroom. Daphne Abdela was a spoiled rich girl living near the Dakota in NYC who had an alcohol problem and a need to kill at just 15 years old. Alongside her boyfriend, Christopher Vasquez, she stabbed a regular drinking buddy in excess of 40 times and dumped him in water near Strawberry Fields in Central Park. Sarah Kolb befriended the new girl in town, Adrianne Reynolds, who was in awe of Sarah's boldness. However, when both girls fell for the same boy, Sarah responded by viciously murdering this young girl, having a friend chop her up and burning the body.
Amy Bosley was caught embezzling millions of dollars and was so consumed by greed, she killed her husband and staged a break-in while hiding the money somewhere. Her plan to get away with murder backfired, but the money remains hidden. Joyce Chant and her sons were suffering at the hands of a controlling abusive husband and father. To escape the madness, she shot her husband and then chopped him up. Michelle Michael married her husband Jimmy for his money and for image, so when he discovers she's having an affair with another man, she went from devious to diabolical. Instead of divorcing him, she turned to murder.
Chelsea Richardson and Susanna Toledano killed Chelsea's boyfriends' parents so they'd all inherit the large house and the family's money. Chelsea played mastermind and organized everything, Susanna did the killings to protect the only real friends she had. Canadian sisters "Sandra and Beth" were so sick of watching their loving mother waste the money on alcohol (the money they want to spend), that they developed an elaborate scheme that involved drugging their mother and drowning her in the bathtub. Penny Bjorkland had no history of violence or behavior problems, yet she fantasized what it would be like to shoot someone and she made her fantasy come to life when a man offered her a lift one day and she emptied her pistol twice over by shooting him.