Former German hospital nurse Niels Hoegel, who was handed a life sentence Thursday for murdering 85 patients in his care, is believed to be the most prolific serial killer in the country’s post-war ...

Welcome to the United States of Serial Killers! Today we are looking at the worst killer in each of the 50 states of America. Which state has the most brutal killer in American history? Watch and find ...

With how fascinated Americans are with serial killers, you'd think that the worst of the worst come from the United States. However, that country doesn't even make the top ten. Chances are, you've ...

Editor’s Note, 01/06/2026: This article was originally published in 2016. It has been revised and updated to include more current information. Serial killers continue to capture the attention of ...

What do Oscar Pistorius, Johan Kotze (Modimolle Monster) and the Waterkloof 4 have in common? They all seem to be more notorious than all of South Africa’s worst serial killers. The media storm over ...

Serial killer Rex Heuermann is finally going to hell. It comes in the form of one of New York state’s oldest prisons, a bleak facility isolated in the frigid Adirondack Mountains near the Canadian ...

Ex-Russian policeman Mikhail Popkov, found guilty Monday of 56 murders while already in jail for 22, is one of the most prolific serial killers of recent times. Here is a recap of some of the others, ...