#52: Giggling Granny Serial Killer (Nannie Do...

A forensic DNA test usually scans about 20 fixed markers of DNA. It may take a few days but it’s enough to differentiate a suspect from the rest of the world with a near perfect level of certainty. Except for identical twins. It’s not a perfect analogy but think of DNA as a 3 bil ...  Show more

A forensic DNA test usually scans about 20 fixed markers of DNA. It may take a few days but it’s enough to differentiate a suspect from the rest of the world with a near perfect level of certainty. Except for identical twins. It’s not a perfect analogy but think of DNA as a 3 bil ...  Show more

“The Giggling Granny”, Nannie Doss’ home cooked meals were served with a side of poison. Was she suffering from Munchausen-by-Proxy, or did she just feel trapped by mid-20th century society? Greg and Vanessa examine how a troubled childhood, brain damage, and an abusive husband l ...  Show more

Picture a serial killer in your mind’s eye. What do you see... Is it your gran?Today is the story of one of America’s most notorious female serial killers: Nannie Doss, aka the Giggling Granny. She killed 11 people, four of which were husbands. This lead to her also being known a ...  Show more

Behind the cheerful demeanor of a sweet southern grandma, lurked a vicious killer. Nannie Doss poisoned her husbands, killed her children, and even went after her own mother. This week, Greg explores Nannie’s use of the lonely hearts columns to find victims, and Vanessa examines ...  Show more

Rat poison, pill overdose, and tripping over a shotgun. A young woman describes the suspicious circumstances surrounding the deaths of her great grandma's many husbands. She also opens up about overcoming a tumultuous childhood and what it's like having 16 siblings. Later on, ...