"Stop Hiding Behind the Second Amendment"

You forget Socialism 101: Nothing is more certain than the indispensable necessity of government, and it is equally undeniable, that whenever and however it is instituted, the people must cede to it some of their natural rights in order to vest it with requisite powers.

It is why States have traditional, police powers.

In any case, it could be said that any unauthorized or unwanted killings are an Infringement on the rest of the citizenry, and merit that comity with gun regulation.