He didn't get 'banged up' for doing what he was trained to do. That's the whole point.
Do you know what the Geneva Convention is? http://en.wikipedia.org/wiki/Geneva_Conventions It is over 60 years old.
We were an invading force of an independent sovereign state, that had every right to defend itself (irrespective of whether it harboured terrorist organisations). As every country has the right to do. Is that not true when we invaded in 2001? Unfortunately, for our troops, not everyone in...
But these aren't murder cases, these are Afghans who have killed NATO soldiers in combat. Not a 'crime' in the same sense.
Also, check that the links actually work...