(CNN) -- For decades, criminologists and true crime documentaries have attempted to understand what causes serial killers to commit the atrocities they do. Dennis Rader, John Wayne Gacy, Jeffrey ...

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. Despite the abhorrent atrocities they commit, many people can’t help but wonder ...

Serial killers may seem like a modern phenomenon tied to the 20th century, but history reveals that humans have been fascinated—and horrified—by repeat murderers for centuries. While recordkeeping in ...

Ever wonder if there are as many serial killers lurking in the shadows as there used to be? Well, tried-and-true crime followers have, which is why Oxygen.com wanted to get to the bottom of the truth ...

Forensic sketches of the Doodler from 1975 (left) and 2018. Source: The Doodler/Wikipedia The Doodler—one of San Francisco’s most well-known cold-case murderers—is back in the news. San Francisco ...

For lack of a better term, the 1970s and '80s are often called America’s “Golden Age” of serial killers throughout the Pacific Northwest. (Its nickname, after all, is “America’s Killing Fields.”) In ...

A serial killer is an individual who murders a series of victims over a period of time, typically with gaps between each killing. Some serial killers kidnap and/or torture their victims prior to ...

Movies, books and podcasts have popularized the stories of serial killers like Ted Bundy and John Wayne Gacy, but they also have contributed to the longstanding myth that women are incapable of ...

Serial killer shows, like Monster: The Ed Gein Story and the equally as disturbing The Serpentabout Charles Sobhraj, have never been more popular – and most of these stories focus on disturbed men ...