Creepy clown craze: How dangerous are clowns really? - BBC News
Serial killer whisperer: Inside the mind of Ivan Milat, Jeffrey Dahmer, Bobby Joe Long, Kathleen Folbigg
American Horror Story: Freak Show' and the History of the Scary Clown - The Atlantic
John Wayne Gacy Room in Illinois Haunted House Stirs Controversy | PEOPLE.com
Story Behind Real-Life 'Killer Clown' John Wayne Gacy Is Terrifying - LADbible
Creepy clown craze: How dangerous are clowns really? - BBC News
Why are we so scared of clowns?
John Wayne Gacy execution: The original killer clown | Herald Sun
As 'It Chapter 2' is released, my chilling year with the original 'killer clown' who kept scrapbooks of the 33 teen victims he raped, tortured and murdered
Timeline: Suburban serial killer John Wayne Gacy and the efforts to recover, name his 33 victims - Chicago Tribune