Amy Archer-Gilligan enjoyed a stable career as the proprietor of a nursing home. She attended to her patients and oversaw their general care–or at least, that was what she was expected to do. Archer-Gilligan was found guilty of some unthinkable acts.
Wikimedia Commons
At the end of the day, Amy Archer-Gilligan lusted after the money that would come with life insurance. As a result, she successfully murdered her husband. But she did not stop there. She went to murder several of her patients, all via poisoning. Her kill count is not clear, but it is estimated that she killed at least ten people total, with as many as 50 possible deaths to her name. Originally, she was sentenced to death. However, it was later decided that she be sent to an insane asylum.
36. Janie Lou Gibbs
Sadly, the desire for life insurance money is a common motive for murder, even if that means sacrificing the people closest to you. In fact, several of the women listed here were likely after the irresistible allure of life insurance money. Janie Lou Gibbs is just another addition to the list.
Wikipedia
Over the course of a single year, Janie Lou Gibbs not only killed her husband but also her grandson and three sons. She was charged for all five murders, which inevitably meant that she would be spending the rest of her life in prison.