isn't the whole not murdering part all talked about when that guy goes up mount sinai?
War and murder are not the same thing. If you're fighting for survival (i.e, total war) it is not murder if you fight and kill the enemy. Murder is an un-provoked act of killing, while war is a whole big mess that involves killing and all kinds of other nasty $hit. It is all about where you draw the line... and terrorism means there's ALWAYS another way.

the bible in that way is not in it's orginal form.
That is true. The King James translation is an awful one, in all aspects... and so, by reading it, you are being misguided or simply confused by the ideas and stories portrayed in the bible. Want to get the real feel of a book? Read it in its original language, or at least one that is close (for example, an English translation of a French\German\Spanish book, or another Latin-based language).