WikiLeaks rationale for their title of Collateral Murder
"And you can see that they also deliberately target Saaed, a wounded man there on the ground, despite their earlier belief that they didn’t have the rules of engagement - that the rules of engagement did not permit them to kill Saaed when he was wounded. When he is rescued, suddenly that belief changed. You can see in this particular image he is lying on the ground and the people in the van [(who came to rescue him)] have been separated, but they still deliberately target him. This is why we called it Collateral Murder. In the first example [(attack on personnel)] maybe it’s collateral incompetence when they strafe the initial gathering, [that was] recklessness bordering on murder, but you couldn’t say for sure that was murder. But this particular event - this is clearly murder."