I realize you did the same thing in your other version but I think it's an nteresting choice, to separate ethics and morals. Normally, they are virtually synonymous to many, but I realize you are separating societal behavior norms (ethics) and personal values (morals). Interesting angle.
I strongly prefer this version over the last. The only thing I'd point out, and it could well be just my interpretation, is that the sentences at the end of the legal, ethical and moral sections, which speak to stopping the threat rather than killing, seem "forced". I don't know if they're out of context or "switch gears" too quickly from previous subject matter or if it's just me but they sort of feel out of place.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.