The US is No. 1 — in serial killers. With a chilling 3,615 known serial killers to date, America has produced 66.2% of the ...

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 ...

The survey mentions one of Missouri's most notorious murderers, Terry Blair, a serial murderer known as the Prospect Corridor ...

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 ...

The UK neonatal nurse who became Britain's most prolific child serial killer. Between 2015 and 2016, Letby murdered seven ...

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 ...

Samuel Little, the man the FBI calls the most prolific serial killer in American history, died on Wednesday at the age of 80 in a California hospital. That's according to the state's corrections ...

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, ...

Former German hospital nurse Niels Hoegel has claimed to have killed around 100 of his patients with drug overdoses, which would make him one of the world's most prolific serial killers in recent ...