"None of those cited as primary participants appear to be under the control of the Western-backed Supreme Military Council, which has struggled to show it can retake the initiative on the ground from extremists. But at least 20 groups took part in the fighting, the report says, including some affiliated with the Free Syrian Army, the loose-knit collection of mainly Syrian rebel forces the council is trying to organize." And both HRW and Ms. Barnard try hard to exonerate the Fee Syrian Army although they admit: "And in a video filmed nearby during the operation, Gen. Salim Idris, who leads the military council, is seen insisting that his forces played a leading role, in statements responding to criticism from Islamist groups that his fighters were hanging back. The report said it was unclear whether forces linked to General Idris took part in the initial Aug. 4 attack, when forensic evidence suggests most of the civilians were killed. But it also said that anyone continuing to coordinate with such groups could be complicit in war crimes."