It is probably part of some approach to register the firearms. Part of the registration process: agree to the police coming into your residence to “inspect” if you have your weapons and if they are secured. See, it will be just like having a driving “privilege” wherein you “agree” to give up your 5th amendment protection if suspected of being intoxicated.
We are beyond the point of needed to rid this place of these vermin, the question is when do we begin doing it.
That's an excellent question.