Rotten Mango S02 E22 Giggling Granny Serial Killer (Nannie Doss)

Who would ever suspect a sweet little grandma with the best-baked goods in town of having a sinister past? She was a doting grandmother, wife, daughter, and a “domestic goddess.” But once in a while, she would add a special ingredient to her baked goods resulting in the death of her loved ones. After 11 funerals - nobody suspected the grieving grandma. Do you trust your grandma?