While she maintained a grandmotherly facade, California landlady Dorothea Puente was hiding a pattern of cold, lethal deception.
A new episode of Killer Grannies, airing Sunday at 8 p.m. ET, takes a deep dive into the deadly secrets police uncovered at her Sacramento home.
How Dorothea Puente ended up on police radar
In 1988, Puente, then 59, was known for running a boarding house in Sacramento and had earned a reputation for helping vulnerable members of her community.
“She was almost a grandmotherly figure,” said former Channel 10 reporter Rosie Gaytan. “This woman was very generous with youth scholarships, and the elderly.”…