Suse,

"Is Mise, how can we condemn a murderer's actions, and then 'legally' have them murdered as well? What happened to 'Thou shalt not Kill'?"

Execution by the State in accord with law is not murder and as for "Thou shalt not kill" it is also translated as "Thou shalt commit no murder", which is the logical meaning.
Killing of fellow humans is justified in self defence, be it in war or in the front garden on a balmy summer afternoon.

As regards execution, a .22 low velocity short bullet in the back of the head is almost instantaneous, very effective and costs a few cents.

'Thou shalt not Kill'?
Suseonline,
Why Not ? Replace that phrase with the more logical 'Thou shalt not murder" & presto ! Problem solved.

strange how opponents have no problem with mums murdering/killing their unborn. I suppose feminism triumps over ideology for this case anyway.

Low shot Runner.
Abortion is the prevention of a life, like it or lump it.
The rights and wrongs of it are a different discussion.
Personally I see the question of capital punishment quite simplistically, and I use that word deliberately.
First, the guilt needs to be iron-clad, as in "red-handed", caught in the act etc.
Second, the convicted needs to have demonstrated their inability to understand and/or live by the basic decencies of humanity, respect for life and the prevention of suffering etc.
Thus, if they've demonstrated their rejection of humanity then humanity is best served by accepting that rejection and acting accordingly, by removing them from it.
The dead commit no inhuman crimes, do they?

Low shot Runner.
G'day Bruce,
Yes when you consider that he most likely would not contribute a Cent to any born baby destined for a life of misery.
Preventing a human being from entering this world is not a fraction of the crime as is forcing a human being to suffer through life.
runner,
we need to be cruel to be kind but not as cruel as forcing suffering upon those whom the likes of you have no consideration for, the living !

runner is on sure ground, many jurisdictions hold that a fetus can be murdered and that therefore at the time of death it was a human being.
https://www.google.com.au/?gws_rd=ssl#q=murder+of+the+unborn