No it's not. Murder is illegal because it deprives another of their right to life. Morality has nothing to do with it. It is about protecting me from you. No moral justification needed.
The Life, is the moral foundation...
There is nothing
moral about it. it is simple self-preservation. Guess what? Man
doesn't believe that life is morally sacred. In fact, man is violent, vicious, vindictive, and venomous. If you asked anyone, given the guarantee of no consequences, every single person can think of one, or two people that they would be absolutely certain the world would be better off without, if they were allowed to relieve those people of the nasty addiction to breathing. However, man is also emminently selfish. Man has an extremely well-formed sense of survival.
I happen to enjoy my addiction to breathing, and do not want you to be able to take that from me. Therefore, I agree to the social stricture that declares that no one is allowed to kill anyone, and that anyone who breaks that rule will suffer severe consequences. Thus Law is born - to protect
me from
you. the same is true of all basic laws - theft, assault, even rape. The purpose of Law is to protect
me from
you.
Admittedly, many created religious, moralistic justifications for these basic principles. That is because in addition to being violent, vicious, vindictive, and venomous, man is also cunning, and superstitious. The more cunning figured out that the perfect way to control the more superstitious was to inject divinity into the rules. After all, I am no better than you, so when
I say, "Do not rape your sister," you have no reason to listen to me. However, when I say "
God commands that you not rape your sister!" Welll..., now if
God commanded it, it
must be a moral, and proper commandment, and so must be obeyed!
That doesn't make Law a matter of morality - it just makes man both cunning, and stupid. Then somewhere along the line, you moralists decided that it was your "responsibility" to protect me from
myself. This was when you started creating all of these "morality laws" - prohibiting drinking, prostitution, drugs, telling people who can be with whom - all in the name of protecting us from our "baser instincts". Well, guess what? Not only is it not your responsibility to protect me from myself; it is not your
right to do so! Every time you try, all you succeed in doing is depriving me of my
individual liberty. So, do me a favor?
Mind your own ******* business, and quit trying to protect me from myself!