Bachelor #1 was handsome and charming—but offstage he led a double life as a sadistic serial killer.

Serial or coincidence? You decide.

A serial killer who agreed he deserved the death penalty.  

The remains of nearly a dozen sex workers were carelessly discarded in the New Mexico desert.

“This defendant absolutely lacks remorse.”

Rex Heuermann was charged in connection with three murders today.

This killer terrorized New York from the years of 1989 to 1993. 

A list you most definitely don't want to be on.

They called him "America's first serial killer of the modern era," but the case of the Boston Strangler is full of contradictions.

In the 1960s, Albert DeSalvo terrorized the city of Boston during a two-year killing spree.

If words could kill...

The killer's own defense attorney described him as “the very definition of heartless evil.”

Helltown brings Costa’s “Garden of Horrors” to terrifying life.

This sadistic giant murdered 10 people in the 1960s and 70s.

Though Cullen confessed to 40 murders, some investigators believe he killed as many as 400 people.

He had a disturbing confession to make back in 1982.

Get a fascinating new perspective on the darkness that lives within these violent offenders.

Home of the brave, or home of the depraved?

Go behind bars.

Human remains were found scattered throughout southwestern Florida.