Murdered her three sons, grandson, and husband with rat poison.
She devoted much of her time to church.
She was declared clinically insane and served time in a mental hospital before being sentenced to prison.
She was married to Charles Gibbs for 18 years before she fed him rat poison in 1966, killing him.
Her victims died of arsenic poisoning, like the victims in Frank Capra's film "Arsenic and Old Lace."