Originally Posted by A.Nonymous
It's the same thing at the end of the day. Vehicles are all registered. They are registered for the simple reason that it's easier to track them to their owners if they are lost/stolen or used in a crime somewhere. It's a step that makes perfect sense. There is no national database that keeps records of police contact for everyone in the US.
Here in Utah, the NSA is building the largest data center in the U.S. of A. So chances are, there is (or will be) a national database of police contacts. They will (apparently) store "the complete contents of private emails, cell phone calls, and Google searches, as well as all sorts of personal data trails—parking receipts, travel itineraries, bookstore purchases, and other stuff."