Have insurgents admitted that they used chemical weapons?

Tonight a good friend send me these links which I would like to pass on to you with a few disclaimers: http://www.crescent-online.net/2013/09/syrian-rebels-admit-using-chemical-weapons-wwwcrescent-onlinenet-4013-articles.html http://www.infowars.com/rebels-admit-responsibility-for-chemical-weapons-attack/ http://www.mintpressnews.com/witnesses-of-gas-attack-say-saudis-supplied-rebels-with-chemical-weapons/168135/ http://www.infowars.com/exclusive-syrians-in-ghouta-claim-saudi-supplied-rebels-behind-chemical-attack/  Disclaimers and caveats: a) It seems to me that these sources quote each other a lot; this might be because everybody else is trying hard to look away from this story. b) I also heard another explanation which says that a group of CIA agents