People Magazine Investigates: Surviving A Serial Killer

John Wayne Gacy is infamous for his Chicago house of horrors in the 1970s, but several courageous boys who come face-to-face with the serial killer and somehow survive step forward, ready to share their chilling story.

For the first time, Warren Forrest's crimes come to light as one of his survivors tells her story in this exclusive that uncovers the secrets of the two-time convicted murderer and suspected serial killer.

Two women survive homicidal maniac Carl Eugene Watts, aka "The Sunday Slasher." For years, he eludes authorities, becoming one of history's worst serial killers, until a third woman survives and brings him to justice. But hardly anyone knows his name.

In Anchorage, 1983, a sadistic client tortures a young sex worker, then tries to fly her to a remote location. She escapes, and her harrowing story helps police discover that this man has been hunting young women like big game across Alaska for years.