The failure of an £8 million IT system designed to aid Scotland's fight against crime may never be fully investigated after it emerged the national spending watchdog has no powers to scrutinise the police organisation behind the project.

The Herald reported last week a state-of-the-art police computer system, overseen by the Association of Chief Police Officers in Scotland (Acpos) has been abandoned before being put into service.

The £7.7m Common Performance Management Platform aimed to put the crime figures for the forces on an equal footing for detailed analysis. It should by now have saved the country's eight police forces more than £30m, but it cost at least five years of officers' time and failed to deliver.

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