He dined with the powerful. He preyed on the vulnerable. Beneath a smiling exterior was the horrifying darkness of a sadistic serial killer.

Biography is a documentary television series. It was originally a half-hour filmed series produced for CBS by David Wolper from 1961 to 1964 and...

The chilling story of one of the world’s most notorious serial killers told through the words of Gacy himself, those who were forever changed...