Lyda Southard

Lyda Trueblood
Born(1892-10-16)October 16, 1892
DiedFebruary 5, 1958(1958-02-05) (aged 65)
Other names
  • Lyda Anna Mae Trueblood
  • "Flypaper Lyda"
  • "The Black Widow"
Criminal statusDeceased
MotiveLife insurance
ConvictionSecond degree murder
Criminal penalty10 years to life in prison
Details
Victims1–6
Span of crimes
1915–1920
CountryUnited States
StatesIdaho, Montana
WeaponArsenic poisoning
Date apprehended
May 1921

Lyda Southard (October 16, 1892 – February 5, 1958), also known as Lyda Anna Mae Trueblood, was an American female suspected serial killer. It was suspected that she had killed four of her husbands, a brother-in-law, and her daughter by using arsenic poisoning derived from flypaper in order to obtain life insurance money.