Susan Atkins, Patricia Krenwinkel, and Leslie Van Houten – In August 1969, three disciples of cult leader Charles Manson killed seven people, including pregnant actress Sharon Tate and heiress Abigail Folger.
On September 8, 2004, stripper-turned-housewife Marjorie Ann Orbin shot and dismembered her husband, Jay, in Phoenix, Arizona, right on his forty-fifth birthday, and then disposed of his body in the desert, all for his life insurancce policy of $1,500,000.
Tiffany Cole, alongside her boyfriend, Michael Jackson, and friends, Bruce Nixon and Alan Wade, robbed, kidnapped, and buried an elderly couple, Reggie and Carol Sumner, alive in Jacksonville, Florida.
Rosie Alfaro stabbed her friend's nine-year-old sister, Autumn Wallace, over 50 times in Anaheim, California, to rob the house and then trade the items and money stolen in exchange for drugs and alcohol.
In Auburn, California, juvenile offenders Cynthia "Cindy" Collier and Shirley Wolf, desperate to plan a life together on the road, attacked Anna Brackett, an eighty-five-year-old woman, on June 14, 1983, by fatally stabbing her at least twenty-eight times.
On June 5, 2009, in Beaverton, Oregon, Korena Elaine Roberts beat pregnant Heather Snively to death with a collapsible police baton and cut the stillborn baby boy, John Stephen, out of her womb.
In Marengo, Iowa, cafe owner Denise Leone Frei enlisted her son, Jacob Hilgendorf, and his girlfriend, Jessica Dayton, to beat her live-in boyfriend, Curtis Bailey, to death.
Doris Ann Carlson of Peoria, Arizona, and her husband, David, hired twenty-year-old Dan McReaken and seventeen-year-old Scott Smith to fatally stab her mother-in-law, Lynne, on October 25, 1996.
In Van Nuys, California, on April 25, 1985, nurse Maureen "Miki" McDermott hired her coworker, Jimmy Luna, and two brothers, Marvin and Dondell Lee, to stab her friend, Stephen Eldridge, to death and cut off his penis to disguise the killing as a hate crime, all to collect on his life insurance money.
On New Year's Eve 1975, Sarah "Cindy" White burned down the home of Charles and Carol Robertson, who sexually abused her, similar to her deceased parents, killing them both, as well as their children.
In April 2003, Carol lures Philip to a hotel room with the promise of a romantic night out, then stabs him twenty-two times with a cheese knife and claims he was murdered by swingers in a sex game gone wrong.
On September 17, 2003, the desperate teens viciously beat sixty-four-year-old Bertha to death with a claw hammer after she catches them having sex and threatens to have Sharon arrested, and torch the house to destroy her body, but are seen leaving by a neighbor.
In Whitehall Township, Pennsylvania, Na Cola Franklin had dreamt of having a lavish wedding since childhood, but her truck-driving fiancé, Billy Brewster, insists on more simple nuptials and forces her to make all the preparations herself while he works and parties.
Sara Moore becomes a live-in caretaker for elderly multiple sclerosis victim Richard Englander, but is more interested in his money than in his welfare and drains his bank accounts to support her crack cocaine habit.
In Coats, North Carolina, eighteen-year-old Miranda Dean Barbour is newly married with an infant daughter and an Internet business charging men for chats and companionship, but she is also a child sexual abuse survivor and an avowed Satanist who lures her husband, Elytte, into her faith.
Having quit her college teaching job and with her husband unemployed and the family in need of money, Katey Passaniti begins to prey on her Alzheimer's-afflicted mother and stepfather, Ernest and Loretta Luttrell.
Former high school golden girl and social worker Kimethia "Kim" Coleman falls head over heels in love with Air Force sergeant Brian Spinks, but is hotly jealous and suspects him of infidelity.
A repentant Dennis pledges to save the marriage, but Delpha Jo wants his $150,000 life insurance policy more, and on August 14, 1993, she has the couple's live-in handyman, David Woodward, bludgeon, stab, and ultimately strangle him to death.
On December 18, 1886, after William threatens Roxalana, she enlists the help of her daughter, Mary, and her nephew, Franklin "Frank" Gates, in murdering her husband, shooting, decapitating, and dismembering him before then burning his corpse.
Sam finally has enough and breaks off the relationship in April of 2011, which sends Carmen into a murderous rage as she stabs him twenty-four times, then dismembers his corpse with a chainsaw and deposits the remains in various places, including in two potted plants that she gifts to her cousin for Mother's Day.
After a difficult childhood being raised by her verbally abusive aunt and uncle, Misook Nowlin of Bloomington, Illinois, has finally found love and care in both the arms of her Chinese-born husband, Don Wang, and his mother, Linda Tyda.
In 1925, back in Cyprus, a young Styllou was having problems with her own mother-in-law, and with the help of two accomplices, she killed her by shoving a burning torch down her throat, leading to her husband abandoning her out of fear.
Sarah Gonzales-McLinn is a Kansas teenager who looks like a good girl, but is actually a troubled soul who is a drug addict and a sexual abuse survivor, and does not change her ways even when her boss, Hal Sasko, lets her board at his house.
Amy Bishop was a professor and neurobiologist PhD in Chemistry at the University of Alabama in Huntsville, but has a narcissistic personality and a history of violent outbursts, including shooting her 18-year-old brother, Seth, to death in 1986.
On February 12, 2010, after being denied tenure over poor performance, she opened fire during a meeting of the biology department, killing three of her colleagues and leaving three more critically wounded, then plans a date night with her husband while disposing of evidence.
Jemma Lilley is an Australian woman who practices S&M and has a disturbing obsession with serial killers, particularly Son of Sam, sharing these dark interests with her submissive new friend and housemate, Trudi Lenon.
Victoria Rickman is a volatile hot-tempered woman who has a history of abuse and violent outbursts, and her new lover William "Will" Carter is no exception, also resenting his time he spends with his daughter from a previous relationship.
Roslyn Pilmar's charmed life in New York's Upper East Side with her millionaire entrepreneur husband Howard and their son threatens to come to a halt when she's caught embezzling money from her former employer.
Two days into her marriage, Margaret Vandergulik beats her new husband, Patrick Plumbe, over the head with her cane and then tries to stage his death as a car accident in April 2005, all to gain access to his million-dollar estate.
In Henrico, Virginia, Denise Gay falls in love and moves in with widowed coworker Maurice Cole, but she is jealous of the memory of his dead wife, especially his son, Martre, who has not coped with the loss and is a constant reminder.