History Dweebs - A look at True Crime, Murders, Serial Killers and the Darkside of History
Liver Eating Johnston
This is a guy who could hold a grudge. And he did. For 25 years he members of the Crow tribe and ate their livers. (He was on Keto).
They made a movie about him. You'll have to listen to the episode to see what it was.
Martin Bryant killed 35 people and wounded 23 others, the worst massacre in modern Australian history.