Doesn't the NFA registry exist to allow citizens to legally posses the weapons on that list? If so, then wouldn't it be reasonable to assume that someone who possess a weapon on the list does so legally?
The car analogy keeps being brought up, paper work and all. LEO's don't stop everybody, the assumption exists that motorists are operating the vehicles legally right? If not then we would have license checks on every state road everyday, forcing us to produce our paperwork.
What is the role of a LEO? To prevent crime by making an arrest based on generalizations, or to make an arrest after a crime has been committed based on evidence that leads to identifying a specific law that has been broken, and a specific individual that has broken that law?
They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety - Benjamin Franklin
Light is faster than sound. This is why some people appear bright unitl you hear them speak!
They should have stopped with "Congress shall make no Law...