It's been nearly 40 years since Lisa Au was murdered, in a crime that rattled Oahu for years. The 19-year-old Kailua hairdresser's body was found in a ravine on Tantalus in January 1982. And a policeman was long suspected in the crime. In episode 7 of “The Other Side of Paradise,” HNN investigative reporter Lynn Kawano reviews the early missteps in the investigation, and talks to Au's younger sister about her ongoing quest for the truth.

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