Here are some US troops shooting at unarmed civilians, children and Reuters journalists. There was never a gun held, or fired except by the US troops...

https://www.youtube.com/watch?v=5rXPrfnU3G0

This is the reality of asymmetric warfare, where doing your job walking down the street in Baghdad can get you killed.

There are 1000's of such incidents we know about thanks to Manning. This happens to be the most graphic and easily understood because it is a video. Other stories are contained in the giant databases and are a couple of hundred words of text.

Personally I uncovered a case in Cablegate where the US Ambassador to Nigeria asked for someone to be rendered to the US without going through the Nigerian Courts. This constitutes extraordinary rendition, moreover, this was pre-911 before extraordinary rendition was known to be widespread.

If anybody actually looks at the material, you'll grasp its significance immediately. Moreover, there is a good chance with 250,000 cables and countless war logs if you see something significant, you are the only person in the world to have recognised the significance of that piece of information.