Former Cromer High students share their experiences.

The detective Damian Loone escalates his murder investigations, interviewing many witnesses in a quest for the truth. And the area of "soft soil" comes back into focus.

<p>The detective Damian Loone escalates his murder investigations, interviewing many witnesses in a quest for the truth. And the area of "soft soil" comes back into focus.</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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