On 30 October, 1980, Lisa Marie Mott had gone to play basketball with friends at the local courts in the South West town of Collie.

She went to a pizza shop opposite the courts with a friend about 8.45pm that night and, by 9pm, had started walking home towards Forrest Street.

She was just 12-years-old and has never been seen since.

Her disappearance has had a lasting impact on her family – listen to interviews with them and with detectives close to the case here.

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