21st Century Wire has a long article about the “white helmets” in Syria. I shall have a read of this soon as I am trying to get my head around some of the information/mis-information/propaganda that is in newspapers and online.
Also, another website discussing deception in this conflict is The New Arab.
I’ve not read these pages thoroughly yet but I can say that it is all very complicated indeed. Also, I might have a look at Why We Protest discussion forum.