The specifics of the crime are the determining designation. Personal crimes, not due to office or official duties, go to your local cop shop. Obstruction and interference with official duties must go to the DOJ by statute and by US government policies.BULL SHIT!
Its Called; calling the DOJ and filing a complaint as the law demands.
You find out somebody fradulently charged something to your credit card. Who at the DOJ do you file a complaint with?
Lets see those "statutes" and "policies", then.