Peacock’s new dramatized investigation into the 1970s serial killer focuses largely on victims, but doesn’t tell the whole story.

John Wayne Gacy digs into how the friendly local business owner and volunteer party clown murdered 33 boys in 1970s Chicago.

In the 1970s, Illinois resident John Wayne Gacy kidnapped, raped and murdered at least 33 young men. While Gacy was eventually convicted of his crimes and received the death penalty in 1994, for years ...