But this regime was in place for 20 years. Given the fact that the records need to be kept at the point of original sale for a new firearm or a used firearm, the police could actually trace this back through several transactions of lawful firearms owners, which then implicates them in an investigation that they otherwise wouldn't necessarily need to be in, and I think that's the concern.
On June 7th, 2018. See this statement in context.