My main point was to indicate that the cameras are likely going to be widespread in Maryland soon, not to start a discussion on whether they'd be good or bad. The "for" and "against" were from the article, not the more general arguments that are out there -- I should have been more clear about that.

The constitutional argument might be valid as the camera law currently stands, but they can get around it. Otherwise, we'd not have parking meters anymore. It depends on how they write the laws. They could make the registered owner responsible for his vehicle, independent of who is driving. Then leave it to the owner to get the money from the driver. IIRC, no points are placed against the licence, and it doesn't affect insurance. The only penalty is money which the owner can collect from the driver.

Or, they could implement cameras that capture the driver's image and then assign points and insurance increases.