(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 ...

More than 5,000 serial killers have been documented throughout human history, spanning a wide range of motives, behaviors and backgrounds. By studying these cases, we can gain insight into the complex ...

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 Dahmer, Albert ...

CLEVELAND, Ohio (WOIO) - What makes a serial killer? That’s a question that has been researched for decades. We’re exploring the psychology behind serial killers, after we highlighted a series of cold ...

It seems obvious that anyone who willfully and repeatedly commits murder is a psychopath: remorseless, egotistical, manipulative, and cruel. Think of Ted Bundy, Dennis Rader, or John Wayne Gacy.

Ask anyone to name a serial killer and chances are that they will come up with a short list — of all male serial killers. But that's not to say that women have never been serial killers. At least 8% ...

If Damien McDaniel is convicted of the 18 murders with which he is charged, he would become the most prolific known killer in Alabama’s history. If he is convicted of just two of those 18 killings, he ...