Easy, human error and collateral damage. If insurgents hide and fight among civilians, civilians are going to die in the process of destroying the insurgents.

Easy, human error and collateral damage. If insurgents hide and fight among civilians, civilians are going to die in the process of destroying the insurgents. It's like cancer - you can't kill cancer without killing tons of healthy innocent cells around it. I don't necessarily agree with the US's prolonged occupation in the middle east, but it's highly disingenuous to imply US military leaders are commanding their soldiers and pilots to intentionally kill civilians.