From a peak of activity in the 1980s, serial killers have been (thankfully) on the decline. But what is behind the drop?

We examine the chilling histories of some of the world's most notorious serial killers, ranging from H.H. Holmes and Ted Bundy to modern cases like Harold Shipman.

Suffolk County Sheriff Errol D. Toulon Jr. says Rex Heuermann remains "emotionless" behind bars, calling him one of the most unique inmates he has encountered ...

The ‘experience’ in New York sensationalizes history’s most gruesome murders – and pays little respect to the victims ...

Before becoming a world kickboxing champion, Fredia Gibbs was a terrified young woman trapped inside a van with a predator.

Florida is known for its beaches and tourism, but the state also holds a dark place in American criminal history. Over the ...

Gilgo Beach killer Rex Heuermann's ex-wife reveals in a docuseries that she moved into the basement where he admitted to killing seven of his victims.

A 71-year-old described by prosecutors as a handyman pleaded guilty Friday to the murders of three women at the same apartment complex who had hired him for help, authorities said ...

In his latest appeal, serial killer William Lewis Reece reports receiving "back pay" from the U.S. Department of Veterans ...

DNA from the Nancy Guthrie case may be tested by Astrea Forensics, the lab that cracked the Gilgo Beach serial killer case. A ...

Ramy Fahim had already admitted to murdering Griffin Cuomo and Jonathan Bahm at their apartment near Angel Stadium.