Explaining away those AK-47 rounds is iffy at best. How do you not have reasoned doubt about that? Did they verify traffic cops had been in the area? That seems very lame.
LOL - I also thing the grenade blow back excuse is lame.
They really think 7 Blackwater guards (4 of which were convicted and 1 plead guilty) were mowing down civilians without provocation and they disabled their own vehicle by firing grenades too close?