Some people say that nobody is born evil, but if that's true, then the Harpe brothers' (cousins) parents must have done a real number on them. This week, Ben takes a look at a duo that were among America's first serial killers. 

Sources:

Goldfarb, Kara. The Harpe Brothers First and Maybe Most Psychopathic Serial Killers. All That's Interesting. June 28, 2020. https://allthatsinteresting.com/harpe-brothers

Weiser, Kathy. The Vicious Harpes—First American Serial Killers. Legends of America. April 2020. https://www.legendsofamerica.com/we-harpes/