Women Who Kill: Breaking Stereotypes in Female Murder

Female murderers challenge deeply held societal beliefs about women as nurturers and caregivers. The documentary series "Snapped" examines women who commit murder—exploring their motives, methods, and the unique circumstances that lead otherwise ordinary women to take human life. This March on Viasat True Crime Poland, you'll witness compelling investigations into female killers who shattered expectations and demonstrate that evil has no gender.

The Female Killer: Rare but Deadly 

Women account for only 10-15% of murderers globally, making female killers statistically rare compared to their male counterparts. However, when women do kill, their crimes often display distinct patterns in victim selection, methods, and motivations that differentiate them from male murderers.

Victim Selection: Who Women Target 🎯

Female killers typically target people they know—intimate partners, children, elderly relatives, or patients in their care. Unlike male killers who more frequently murder strangers, women usually kill within their social circle, making their crimes intensely personal rather than random violence.

"Snapped" (March 1st, 06:50-11:30) showcases this pattern repeatedly. Porsche Humphery (06:50) murdered a man she was romantically involved with in Milwaukee. Susan Monica (07:40) killed people on her property in Oregon—individuals she knew and had relationships with. Gail Gash (08:40) murdered her fire chief husband, demonstrating the intimate nature of female homicide.

Methods of Murder: Poison, Manipulation, and Planning 💊

Women are significantly more likely than men to use poison as their murder weapon. Poison allows killing without physical confrontation, can be disguised as natural death, and enables multiple murders before detection. This method preference reflects both physical strength differences and social role as caregivers who have access to medications and opportunity to administer substances undetected.

Susan Monica's case (March 1st, 07:40) demonstrates female killers' calculated approach. When police discovered human remains on her Oregon property, they uncovered crimes that were carefully planned rather than impulsive—a hallmark of female murderers who typically think through their actions more thoroughly than male killers.

Motivations: Why Women Murder 

Female killers demonstrate different motivational patterns than male murderers. While men more often kill for sexual gratification, gang affiliation, or random violence, women's homicides typically involve financial gain, relationship conflict, self-defense, or psychological disorders.

Financial Motives: The "Black Widow" Pattern 🕷️

Some women become serial killers by repeatedly marrying and murdering husbands for life insurance or inheritance. These "black widow killers" exploit social expectations about grieving widows to avoid suspicion while collecting payouts from multiple dead spouses.

Samantha Wohlford (March 1st, 09:35) represents this financial motivation. When a Texas father was abducted and murdered, investigators followed a trail of cellphone records and internet history to reveal a conspiracy fueled by a mastermind seeking financial gain.

Relationship Violence: When Love Turns Deadly 💔

Intimate partner homicide committed by women often follows years of abuse, creating what legal systems sometimes recognize as battered woman syndrome. However, not all women who kill partners were victims; some murder for freedom from unwanted relationships, insurance money, or to be with new lovers.

Gail Gash (March 1st, 08:40) killed her fire chief husband, whose dismembered torso was found in their barn. Investigators had to determine whether Gail was a victim turned killer or a calculating murderer hiding behind a façade of victimhood.

Maternal Filicide: When Mothers Kill Children 👶

Mothers who murder their own children represent one of the most disturbing and controversial categories of female killers. Motivations include severe mental illness (often postpartum psychosis), unwanted pregnancy, mercy killing of disabled children, revenge against partners, or removal of obstacles to new relationships.

These cases challenge societal beliefs about maternal instinct and protective motherhood, forcing recognition that mental illness, desperation, and evil can override even the mother-child bond that society considers sacred.

The Psychology of Female Violence 

Understanding why women kill requires examining both biological and social factors that influence female violence. Women experience anger and aggressive impulses similarly to men, but social conditioning typically suppresses female aggression more strongly, creating different expression patterns.

Socialization and Gender Roles 👥

Girls are socialized from childhood to be nurturing, passive, and conflict-avoidant, while boys are often encouraged to be aggressive, competitive, and physical. This differential socialization means that when women do turn violent, it often follows long periods of suppressed anger and represents dramatic deviation from internalized gender expectations.

Porsche Humphery (March 1st, 06:50) exemplifies how female killers often maintain normal appearances while planning murder. Detectives had to piece together her final days through friends and lovers to expose a killer's desire to destroy what they couldn't keep.

Mental Illness and Female Homicide 🏥

Mental illness appears more frequently in female murderers than male murderers. Depression, anxiety, personality disorders, and psychosis contribute to some female homicides, particularly maternal filicide and mercy killings. However, mental illness does not excuse murder—it explains motivation while victims still deserve justice.

Crystal Gregoire (March 1st, 10:30) case involved the violent death of a man rumored to have Mob connections. Investigators had to determine whether they were hunting a professional killer or being told lies that obscured the real motivations behind murder.

Female Serial Killers: Deadlier Than Believed 

While rare, female serial killers often operate for longer periods and kill more victims than male serial killers before detection. Their methods—poison, medication overdoses, suffocation of vulnerable victims—create deaths that appear natural, allowing them to kill repeatedly while avoiding suspicion.

Angels of Death: Healthcare Serial Killers 💉

Some female serial killers work in healthcare settings—nurses, nursing home employees, home health aides—where they have access to vulnerable patients and lethal medications. These "angels of death" kill under the guise of mercy or simply for power and control over life and death.

The trusted caregiver role allows these killers to operate undetected for years or even decades. Families and colleagues are reluctant to suspect compassionate caregivers of murder, and deaths in medical settings don't automatically trigger homicide investigations.

Profit-Motivated Serial Killers: Black Widows 💰

Female serial killers motivated by financial gain typically marry, insure, and murder multiple husbands over years or decades. They exploit social scripts about grieving widows and the low base rate of women as serial killers to avoid detection while collecting insurance payouts and inheritances.

These killers demonstrate patience, planning ability, and cold-blooded calculation that challenges stereotypes about impulsive, emotional female crime. They select victims carefully, establish cover stories, and maintain public personas as loving wives even while plotting murder.

Detection and Investigation: Challenges with Female Suspects 

Female killers often evade detection longer than male killers because investigators, like society generally, are less suspicious of women. Gender biases can blind investigators to obvious suspects simply because they're female.

Bias in Suspicion: The "Women Don't Do That" Problem 👮

Implicit bias makes investigators less likely to consider women as primary suspects in violent crimes. When a married couple is involved in crime, assumptions often place the man as perpetrator and the woman as victim or accomplice, even when evidence suggests otherwise.

"Snapped" showcases this investigative challenge repeatedly. In case after case, investigators initially overlook female suspects who ultimately prove to be masterminds behind murder plots rather than passive participants.

Manipulation and Deception: Female Killers' Advantage 🎭

Female killers often excel at manipulation—presenting false personas, gaining sympathy, deflecting suspicion, and convincing investigators of their innocence through tears, emotional appeals, and exploitation of gender stereotypes. Skilled female killers use society's assumptions about female weakness and emotionality as weapons in avoiding detection.

Samantha Wohlford (March 1st, 09:35) demonstrated this manipulative ability. Titus County investigators had to follow a trail of cellphone records and internet history to reveal the conspiracy fueled by a mastermind—indicating that the killer successfully hid behind deception until digital evidence exposed the truth.

Watch Female Killers Exposed on Viasat True Crime Poland 

This March, Viasat True Crime Poland presents comprehensive examination of female murderers through Snapped's expert documentary filmmaking, revealing the psychology, methods, and motivations behind women who kill.

Complete Viewing Schedule: Women Who Kill Programming 📅

Snapped (Season 29) - Female Killer Marathon

• Sunday, March 1, 2026 at 06:50 (6:50 AM CET) - Porsche Humphery
• Sunday, March 1, 2026 at 07:40 (7:40 AM CET) - Susan Monica
• Sunday, March 1, 2026 at 08:40 (8:40 AM CET) - Gail Gash
• Sunday, March 1, 2026 at 09:35 (9:35 AM CET) - Samantha Wohlford
• Sunday, March 1, 2026 at 10:30 (10:30 AM CET) - Crystal Gregoire

Snapped: Killer Couples (Season 16) - Female Partners in Crime

• Sunday, February 1, 2026 at 11:30 (11:30 AM CET) - Afton Ferris & Michael Schallert
• Sunday, February 1, 2026 at 12:30 (12:30 PM CET) - Lori Smith & Eric Rubio
• Sunday, February 1, 2026 at 13:20 (1:20 PM CET) - Heather Kamp & Ethan Mack
• Sunday, February 1, 2026 at 14:15 (2:15 PM CET) - Kadie Robinson & Ronnie Welborn
• Sunday, February 1, 2026 at 15:10 (3:10 PM CET) - Nancy & Trey Styler

FAQ: Women Who Kill 

Q: Why do women kill less frequently than men?

A: Multiple factors contribute to lower female homicide rates: biological differences in aggression and testosterone levels, social conditioning that suppresses female violence, different conflict resolution styles, and legal and social consequences that may deter women more effectively than men. Cultural expectations about feminine behavior create strong inhibitions against female violence.

Q: Are female serial killers more dangerous than male serial killers?

A: Female serial killers often kill more victims before detection because their methods—poison, medication overdoses—create deaths that appear natural. They exploit trusted roles as caregivers and benefit from society's reluctance to suspect women of serial murder. However, male serial killers are more numerous and often more sadistically violent.

Q: What is "black widow" killing?

A: "Black widow" killers are women who murder multiple intimate partners (usually husbands) for financial gain—life insurance, inheritance, or assets. They typically marry, insure, and then murder their partners, often using poison or methods that mimic natural death. The name comes from the black widow spider, which kills its mate after mating.

Q: Why do some mothers kill their children?

A: Maternal filicide has multiple causes: severe mental illness (postpartum psychosis, depression), unwanted pregnancy leading to neonaticide, "mercy killing" of disabled children, revenge against partners who left the relationship, or removal of obstacles to new relationships. Some cases involve Munchausen syndrome by proxy where mothers harm children for attention.

Q: How do female killers differ from male killers in their methods?

A: Female killers are significantly more likely to use poison (about 40% of female homicides vs. 8% of male homicides), suffocation, or medication overdoses rather than guns or knives. They plan crimes more carefully, kill people they know rather than strangers, and are less likely to use sexual violence. Their methods often allow killing without physical confrontation.

Q: Why are female killers harder to catch?

A: Societal biases make investigators and witnesses less suspicious of women. Female killers often exploit trusted roles (mothers, wives, nurses) where deaths under their care don't automatically trigger suspicion. Methods like poison create deaths that appear natural, and women's superior verbal skills and emotional manipulation help them deceive investigators longer than male killers might.

Q: Do battered women who kill their abusers belong in prison?

A: This remains legally and ethically controversial. Some jurisdictions recognize "battered woman syndrome" as a defense or mitigating factor, acknowledging years of abuse can create psychological states where killing seems like the only escape. However, critics argue this defense is overused and that legal systems should distinguish between genuine abuse victims and manipulators who falsely claim abuse after murdering for other motives.

Q: What percentage of serial killers are female?

A: Research estimates that 10-17% of serial killers are female, making them relatively rare but more common than popular perception suggests. Female serial killers typically kill for financial gain or in caregiving roles, rather than for sexual gratification like many male serial killers. They average more victims per killer than males because their methods allow longer undetected operation.