The campaign was launched in January by Lothian and Borders Police, Fife Constabulary and Central Scotland Police.
They asked members of the public to report suspicions about people making money illegally to the charity Crimestoppers.
Up to 400 officers have been involved in the three-day operation, which begun on Wednesday.
The police say Crimestoppers reported a 31 per cent rise in all calls across the East of Scotland, which was used for the operation this week.
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The family of a Cumbrian who suffered a botched blood transfusion are furious there was no reference to compensation in the Spending Review.
The Scottish Fire and Rescue Service is calling on householders across the south of Scotland to be aware of the danger of candle fires.
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