Detectives have searched the properties of five harness racing participants, including one on Logan north of the Gold Coast.
Following that, a 46-year-old Warwick man was charged with one count of Match Fixing.
This comes after an investigation by the QPS, CCC and QRIC into systemic match fixing in the harness racing industry.
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Detectives searched properties at Logan Village, Redcliffe, the Gap, Limestone Ridges and Warwick.
Detectives seized mobile phones, computers, documents and clothing.
The items will now be forensically examined.
Since its inception July 1 2016 the QRCS has been collocated with the Queensland Racing Integrity Commissioner at Albion and is tasked with investigating serious animal cruelty, match fixing and major and organised crime across all three codes of racing.