Amy
Archer-Gilligan
- Age: 38 - 40
- Mad or Bad?: Mad
- Dates of Killings: 1907 - 1917
- Location: Windsor, Connecticut: The Archer Home for the Elderly and Infirm
- She picked her victims from the Archer home where she worked.
- She killed 48 people in 5 years.
- She killed her victims with arsenic and tried to make it appear that they died of natural causes.
- Amy also killed two of her husbands.
- Amy was later certified insane and sent to an asylum.