a bullet pierced the spine of 11-year-old rakan, who was rendered a paraplegic. the u.s. army offered compensation to the family of $7,500 dollars, calculated as $2,500 for each life taken, and $2,500 for the car. >> very often soldiers find themselves looking at a vehicle that seems suspicious, and they get jumpy, and then they open fire on it. and of course, there are cases where soldiers have lost comrades, and they're angry, and they then are more inclined to look for the-- the insurgents in the next vehicle coming, or the next convoy that comes down the road. >> when iraqi civilians looked into the faces of our service men and women, they saw strength and kindness and goodwill. >> our analysis of the files shows that only 13 coalition troops were killed during those escalation of force incidents. but firing shots near ordinary people at checkpoints was often fatal. we found 30 children killed. >> one round ricocheted off the concrete, hitting a 6-year-old. >> sometimes, little allowance was made for the fact that there may be a reason for a driver to be in a hurry. >