[Blood of Tyrants]

Eventually, that is exactly where they will go with it. However, to get their foot in the door, they would pass the law to include only new guns or guns being sold by FFL dealers. When the inneffectiveness of it is proven, they will claim that the reason is not because of the inherent problems with it but that the database isn't large enough and then one little change after another will follow until what you predict will happen.

[Travis McGee]

You've got it exactly right. They will never admit it's a boneheaded idea, they will just gradually increase the scoope of the law until it's as we've said. And it will be a mega-bureaucracy, meaning lots of pork and new gubbmint jobs, so it will be a sacred cow to the 'rats.