The leader of the Massachusetts State Police says that online speculation about an active serial killer in New England has ...

The false claim about a serial killer "cutting off the faces of victims" in Oklahoma City has made the rounds on social media ...

The prosecution says the analysis connects Rex Heuermann, his wife and adult daughter to hair discovered on the remains of ...

A 37-year-old man — who local media say is known as the "machete man" — was arrested after a raid on his home last week ...

You may have seen some social media posts circulating recently claiming there is a serial killer in the Oklahoma City metro.

Melissa Wolfenbarger’s remains were discovered in April and June of 1999, but weren't positively identified until March 2003.

Among the serial killers Bryan Kohberger had an obsession with was Danny Rolling, who also murdered multiple college students ...

The Serial Killer's Apprentice,' airing Sunday, dives into the relationship between evil mastermind Dean Corll and one of the ...

Wayne Henley Jr.’s journey from Texas teenager to murderer is profiled in a new interview and documentary series.

The serial killer goes on to create "their own murder over and over again," Toles said. The sex workers, in Heuermann's case, represents how the serial killer feels about themselves: "discardable ...

Renowned forensic psychologist Dr. Katherine Ramsland spoke to PEOPLE about the mindset of Elmer Wayne Henley Jr., an ...