The following is an adapted excerpt from "The Big Book of Serial Killers: 150 Serial Killer Files ... victims when they should be on the clock. Sign up here to get INSIDER's favorite stories ...

Can you ever tell if someone will go on to kill? Is hindsight 20/20? Or are some flags just too red to ignore?

Ted Bundy was a clean-cut, charismatic, and educated young man who didn't fit the serial killer stereotype. Or so we thought. But Bundy may have actually exhibited the telltale signs of potential ...

Checking that post, the edit history shows it started as the serial killer warning, but was changed to ... This is a sure sign of a bait-and-switch scam, where someone changes a post after it's ...

Axel Rudakubana’s parents asked police for help to cope with their violence-obsessed son in one of a string of callouts over his worrying behaviour before the Southport attack, it can be revealed.

AIKEN, S.C. (WRDW/WAGT) - Officials warn the public of scams and internet rumors spreading in Aiken and McDuffie counties and ...