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Crime Stoppers South Australia plays an active role in media, promoting unsolved crimes and encouraging people to provide information anonymously with the option of a reward.

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The cold-case suspected murder of Marilyn Qualmann

Posted on 21/09/2020

Marilyn Qualmann went missing on Sunday 21 September 1975 from her home on Moorook Road, Moorook (via Kingston-on-Murray).

The last confirmed sighting of the 14-year old was at about 9am on that day by her sister.

There were suggestions that Marilyn had simply run away from home, but investigators believe something more sinister happened to the teenager.

She was reported missing the next day and has not been seen since. She is suspected to have been murdered.

A reward of up to $1,000,000 remains on offer to anyone who either provides information leading to the recovery of their remains or information leading to a conviction in the case.

Anyone with information is asked to contact Crime Stoppers on 1800 333 000 or at


Serious Criminal Trespass and Theft, Edinburgh

14/11/23 | Article, Media Releases

At 3.10am on Sunday, 24th September 2013 an unknown male gained access into a carpark of a Edinburgh business by…


Farm Crime

13/11/23 | Campaigns

Our campaign helps regional and rural communities address the growing threat of criminals that target isolated and vulnerable farming properties…


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