Devil in Disguise: John Wayne Gacy

When the teenager Rob Priest disappears, the police follow his trail to the businessman John Wayne Gacy. At first, he appears helpful until the investigators make a discovery.

Gacy shows the police where he buried the bodies of his victims and threw them into the river. Detective Tovar finds out who the ring belonged to that he found in Gacy's house.

The police are finding more and more bodies under Gacy's house. Detective Tovar discovers that the Chicago Police Department has been sloppy in their work. Meanwhile, the press defames Gacy's victims.

Psychologist Dr. Healy interviews Gacy and searches for the motive behind his actions. The investigators try to find out why the police department did not follow up on so many missing persons cases.

Lieutenant Kozenczak is looking for new witnesses. However, some are disappointed and frustrated with the previous investigations. They are not willing to testify about their terrible experiences.