John Wayne Gacy's modest and unassuming ranch-style house had horrors hidden underneath it. Neighbors in Norwood Park Township, Ill., knew Gacy as a successful contractor who dressed as "Pogo the ...

Peacock's new behind-the-scenes video reveals the painstaking production design behind the series' most haunting set - from ...

His house was a graveyard. His garage was a torture chamber. And his desire to kill was insatiable. So why did so many people hire him as a children’s clown? Known by many as the “Killer Clown”, John ...

In the past year, real-life serial killers like Ed Gein (Monster: The Ed Gein Story), Rex Heuermann (Gone Girls: The Long Island Serial Killer) and Jeffrey Dahmer (Monster: The Jeffrey Dahmer ...

The "Killer Clown" raped and murdered more than 30 men and boys before disposing of many of them in a crawl space under his house Jessica Sager is a contributing writer at PEOPLE. She has been working ...