Lyn Dawson had been missing for three years when her worried friend Sue wrote to the Office of the Ombudsman - an independent government watchdog - about the lack of police action in the case. We go looking and recover a long-forgotten file after decades in storage, and the contents highlight the hopeless responses of police to a probable murder - and raise more questions, as public anger grows. 

<p>Lyn Dawson had been missing for three years when her worried friend Sue wrote to the Office of the Ombudsman - an independent government watchdog - about the lack of police action in the case. We go looking and recover a long-forgotten file after decades in storage, and the contents highlight the hopeless responses of police to a probable murder - and raise more questions, as public anger grows. </p>

The Australian's Hedley Thomas digs deep into a cold case which has been unsolved for 36 years, uncovering startling new evidence.

Lyn and Chris Dawson appear to have the perfect marriage. He's a star footballer and popular high school teacher. She's a devoted wife and mother. They share a beautiful home above Sydney's northern beaches. But when Lyn goes missing, dark secrets are buried. This is no fairytale, but a sordid story of strangely close twin brothers, teenage student lovers, and probable murder. The Australian's Hedley Thomas digs deep into a cold case which has been unsolved for 36 years, uncovering startling new evidence.

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