Garda Commissioner describes accounting and expenditure practices at Garda training college as unacceptable

Noirín O'Sullivan says the problems go back as much as forty years and that so far paper trails have not been uncovered

She's facing questions at the Public Accounts Committee about why when concerns were first raised in 2006, it took until last year for a full internal audit to be carried out. 

The Commissioner admits Gardaí haven't yet fully worked out if criminal activity went on.

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