Here's yet another source that names terror groups responsible.
About your attacking the used sources and me, I have known for a long time you have a difficulties with assuming good faith, and you have been asked to tone down your comments at this very page.
I am not interested in continuing this discussion with you. The article was nominated on deletion and kept 15 to 1 (2 with the nominator counted). 
If you have a problem with me using particular sources, you're welcome to take me to ae and try to make me topic banned. Otherwise I am done with you here.