[Clubber]

>The law also says they need to file taxes on that purchase, but what is required and what people actually do often differs

I think you inadvertently hit on why people are opposed to further gun regulation. The people committing the crimes aren't gonna follow the law and it stands to only further burden regular citizens.

[hgsgm]

There is more than one kind of regulation. Regulating people with an incentive to obey (professionals running businesses, like stores or shows) makes it harder for criminals to obtain guns they aren't allowed to possess.

[Clubber]

>Regulating people with an incentive to obey (professionals running businesses, like stores or shows) makes it harder for criminals to obtain guns they aren't allowed to possess.

Can you give me an example of how this would work?