A serial killer is typically a person who murders three or more people.They exhibit varying degrees of mental illness and psychopathy, which contributes to their homicidal behavior. When people think of serial killers, they typically think of men ,because female serial killers are rare compared to their male counterparts. Although men make up the majority of serial killers, there have been many evil female serial killers. The following evil women prove once and for all that men don’t have the exclusive on serial violence.
1) Kristen Gilbert
In 1996, three nurses went to their superiors and expressed their suspicions. Their concerns inspired an investigation. Gilbert was sent on leave during the investigation,and it was noticed that while Gilbert was not working , the death rate on Ward C ( the ward under her care ) dropped to normal. Federal investigators exhumed several of the bodies of those who died during Gilbert's shift ,and a toxicology analysis found epinephrine in their tissues, and since that drug had not been prescribed to any of the victims, there was no reason for it to be in their bodies. This drug, epinephrine, is used by doctors in emergencies to stimulate a heart that has stopped; however, used in an overdose or when there is no actual threat of cardiac arrest, epinephrine causes the heart to beat uncontrollably and then stop abruptly - Gilbert injected this drug to induce a massive heart attack in her victims.
In 2001, Gilbert was found guilty of 3 counts of first-degree murder, 1 count of second-degree murder, and 2 counts of attempted murder. She was sentenced to 4 consecutive life terms without the possibility of parole. She is serving her time in a federal prison in Texas.It was discovered that in the 7 years she worked at the VA Hospital, 350 deaths had occurred during her shift.
2 ) Aileen Wuornos
Between 1989-90 Aileen Wuornos murdered seven men in Florida. She posed as a hitchhiker then lured her victims to remote locations, before shooting them at point-blank range with a .22 caliber pistol. In January, 1991, Wuornos was stopped for a minor traffic incident in one her victim's cars. She was arrested for an outstanding warrant. Police found fingerprints on some of the victims belongings in a pawn shop, and this led cops to the killers other six slayings. . After retrieving Wuornos fingerprints when she was arrested, they matched those found in the victims' cars,as well as to the other six murders. Wuornos confessed to the murders claiming the men had tried to rape her ,so she killed them in self-defense. She was convicted and sentenced to death . She was executed by lethal injection on October 9, 2002. She showed no remorse in the months before her execution. She said: "I killed those men, robbed them as cold as ice. There's no chance in keeping me alive or anything, because I'd kill again. I have hate crawling through my system."
3 ) Juana Barraza
In Mexico City , during the 1990s and 2000s , women who lived alone , aged 60 or over were robbed then bludgeoned or strangled in their own home. Investigating officers suspected that the killer was a transvestite due to witness statements saying they'd seen a masculine-looking woman leaving one victims home. The police also hypothesized that two killers might be involved.
In January 2006,an elderly lady was found dead on the floor by one of her tenants.She'd been strangled with a stethoscope. The murderer was fleeing the scene when he stumbled across his dead landlord. So he immediately called police, giving a detailed description of the attacker. Police rushed to the scene and finally made an arrest. To the police's astonishment the suspect detained wasn't a man ,but a 48 year old woman named Juana Barraza. Juana would gain entry to elderly women's homes by pretending to be a nurse or social worker, then strangled them with cords or stockings found inside their houses.
On 31 March 2008, Barraza was found guilty on 16 charges of murder and aggravated burglary, including 11 separate counts of murder. While fingerprint evidence linked Barraza to only 11 of the murders, it is believed she is responsible for killing about 49 elderly women. She was jailed for a total of 759 years
4 ) Dorothea Helen Puente
In the 1980s, Puente ran a boarding house in Sacramento, California. People would check in but never check out. She would murder them and bury them in her backyard. Puente targeted helpless people, such as the elderly ,alcoholics ,drug addicts and the mentally ill.She killed them in order to steal their welfare and social security checks.
A homeless man Burt Montoya,who was a schizophrenic , had been reported missing by his social worker. He was last seen at Puente boarding house. Detective John Cabrera visited Puente Cabrera looking for Mr.Montoya. The detective didn't notice anything unusual inside, but he noticed that the garden had been dug up. Cabrera,guided by his intuition started digging in the garden. He soon uncovered a human corpse. The next day a team of forensic anthropologists started digging up the garden. They eventually found seven corpses buried in the garden.
Puente fled to Los Angeles, and started targeting men in bars to steal from them. The police quickly apprehended her after a man she met in a bar tipped police off to her location after recognizing her face on TV. . Puente was sentenced to life in prison without possibility of parole. She died from natural causes in 2011 ,age 82. She is believed to have murdered up to 15 people.
5 ) Joanna Dennehy
In March 2013, Cambridgeshire, U.K ,Joanna Dennehy went on a killing spree . She specifically targeted men , and later admitted she did not wish to kill a woman ,especially not a woman with children. Driven by a sadistic lust for blood, she hunted and savagely stabbed 5 random men , in broad daylight , for the purpose of her own entertainment . Three men died from their injuries ,but fortunately two survived her frenzied attack. After 3 bodies were discovered in remote ditches , police launched a nationwide hunt to find her , but she went on to drive 140 miles to hunt for more victims. After two days on the run Dennehy was eventually caught with the help of CCTV footage
Dennehy was assessed by a psychiatrist ,and was diagnosed with a personality disorder and also diagnosed as suffering from paraphilia sadomasochism - a condition in which sexual excitement is derived from pain and humiliation of others.She also lacked the normal range of human emotions. She told the psychiatrist that she killed "to see if I was as cold as I thought I was. Then it got moreish and I got a taste for it".
On 28 February 2014, a judge recommended that she should never be released ,and sentenced her to life imprisonment. She is deemed to be so dangerous ,that she can never be released
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