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 ...

Ivan Milat was convicted of murdering seven backpackers, but police are now investigating whether he was responsible for even more deaths ...

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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, ...