Season 3 - Episode 33
What Lies Below
When popular high school student Robert Piest disappears after his shift at a local drugstore, police in Des Plaines, Illinois, ask psychic Carol Broman for help. And, when her visions reveal torture, a construction site, and multiple bodies, investigators find themselves at the home of one of America's most notorious serial killers. Piest was last seen meeting with a local building contractor about a summer job. And when detectives search the man's house, they find the bodies of 27 young men buried in the basement. The man is John Wayne Gacy. But where is Robert Piest?