The Harpe Brothers were confirmed to have killed 39 people, often for no reason, and are believed to have killed many more. Source: Picryl / Public Domain.

The Harpe Brothers: The First Serial Killers in American History

The United States has had more serial killers than any other nation in modern history. US law enforcement communities even found it necessary to define the term, back in the 1960s. Before then the very idea of a serial killer had not even been conceived. There is something about the lonely highways, the disappearances and