When criminals don't follow the law what makes one believe they'll follow this order. This only prevents law abiding citizens from being able to defend themselves.

Virginia Bill of Rights (Section 13) below:

Section 13. Militia; standing armies; military subordinate to civil power. That a well regulated militia, composed of the body of the people, trained to arms, is the proper, natural, and safe defense of a free state, therefore, the right of the people to keep and bear arms shall not be infringed; that standing armies, in time of peace, should be avoided as dangerous to liberty; and that in all cases the military should be under strict subordination to, and governed by, the civil power