In the wake of a mini-credit card scandal in Sacramento, the city’s police force has looked into five years’ worth of transactions made on the approximately 200 city credit cards in circulation. That probe has turned up no criminal conduct.

However, the examination has revealed the scope of the City’s credit addiction, with nearly $1.5 million being charged by employees so far in 2012. That’s the highest credit bill for the city since 2009. Travel related expenses were also discovered to be the highest since 2008.

The city’s manager, John Shirey, would like to curtail the city’s use of credit cards.

The investigation came after some $9,000 in personal expenses was found on the credit card of formal mayoral aide Lisa Serna-Mayorga.

Separate from the police investigation is an audit being performed on the purchases made by the Mayor and from city council offices.

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