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Nannie Doss - In Alabama, old lady killer Nannie Doss loved making her family home-cooked meals—supposedly with arsenic as the secret ingredient.

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Nannie Doss - Over the course of 30 years, she was accused of killing four husbands, her two sisters, her mother, a grandson, one of her mothers-in-law, and a nephew. She allegedly committed the murders out of boredom.

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Nannie Doss - The creepiest part about her was that she maintained a jolly attitude throughout her trial and time in prison, supposedly even making jokes about her dead husbands.

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Gloria Marie Tensley - When an Arkansas man moved in with his new roommate, 65-year-old Gloria Marie Tensley, he found a corpse in her closet.

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Gloria Marie Tensley - After he turned her in, it was revealed that Tensley had been cashing the Social Security checks of the man in her closet. She was charged with corpse abuse and fraud.

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Faye Copeland - Faye Copeland and her husband, Ray, supposedly lured in drifters to their Missouri farm to commit cattle fraud.

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Faye Copeland - Ray was known as a fraud and could not buy and sell cattle on his own, so the couple would allegedly have drifters buy the cattle for them with bad checks. Allegedly, Ray would sell the cattle quickly afterwards and the couple would murder the drifters, burying them in a field on their property. It was even revealed that Faye would make a quilt with their clothes after the fact.

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Faye Copeland - They were eventually caught and both sentenced to death, making Faye Copeland the oldest woman ever to be on death row, at 69 years old.

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Nilda Sheffield - 53-year-old Nilda Sheffield supposedly killed her daughter and two grandchildren with a gun.

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Nilda Sheffield - She claimed that she was saving them from Hell, even going so far as to compare herself to Abraham from the Bible, the man commanded by God to kill his own son.

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Angela Bingham - In Delaware, Angela Bingham killed her three-year-old grandson by suffocating him with a towel, claiming she couldn't afford to raise him.

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Angela Bingham - After turning herself in to the police, investigators apparently found her burning incense to mask the smell of the decomposing body.

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Dorothea Puente - 64-year-old Dorothea Puente was convicted of murdering nine people by forcing them to overdose on pills as a way of collecting their benefit checks.

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Dorothea Puente - She would later bury them underneath her house in Sacramento, CA. She claimed she killed "shadow people," including homeless individuals, the elderly, the disabled, and anyone else who didn't have friends or family, according to Ranker.

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Dorothea Puente - She was sent to prison where she died at age 82.

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Helen Golay and Olga Rutterschmidt - Also known as "The Killer Grannies of Santa Monica," these two women allegedly set up a scheme to lure homeless men into their home and then have them take out a life insurance policy.

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Helen Golay and Olga Rutterschmidt - After that, they would allegedly stage hit-and-run accidents and cash in on their life insurance.

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Helen Golay and Olga Rutterschmidt - They cashed in on $2.8 million in insurance money after killing two men. Ultimately, however, one of the insurance companies involved became suspicious and together with the police cracked the case.

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Carolyn Hood - The 79-year-old woman allegedly helped her son kill her husband. The son, William, apparently killed his father and dismembered his body.

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Carolyn Hood - The husband's remains were found buried in various places around Baldwin County, AL, leading to her arrest in 2016.

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Sandra Layne - A 79-year-old woman shot her grandson, allegedly claiming that he was a drug addict and she was scared of him.

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Sandra Layne - She was sentenced to 22 years in prison after the jury was convinced that the murder was actually premeditated.

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Amy Archer-Gilligan - The Connecticut woman was the proprietor of a nursing home, where she supposedly killed five residents.

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Amy Archer-Gilligan - It was reported that she used poison to kill the residents, in addition to her second husband.

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Amy Archer-Gilligan - She was initially sentenced to death, but ended up getting sent to a psychiatric hospital instead.

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Bertha Gifford - In the late 19th century, a farm wife was convicted of poisoning around two dozen friends and family in her small Missouri town.

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Bertha Gifford - She spent the rest of her life in a mental asylum for the murders. 

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Blanche Taylor Moore - The North Carolina woman was convicted of killing her third husband by putting arsenic in his food. She was also suspected of three other murders, including the murders of her first two husbands.

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Blanche Taylor Moore - She was sentenced to death and is still waiting on death row at the North Carolina Correctional Institution for Women.

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