Each passing day, Syrian activists produce clips that is tantamount to the active meddling of Tehran in the violent suppression of the Syrian people. It is not clear if those burring the brave activists are really Syrian troops or not, apart from the uniforms, but one thing is very clear: the atrocities committed are not the sort Syrian people expect of any Syrian soldier. In acute cases when situation is out of hand, as experienced with Tehran during the 2009 protests, the tyrants use foreign forces and mercenaries to inflict the most and leave a propaganda of fear to deter the population. A separate interview was released by an Arabic channel of a Syrian activist still alive who shoots on camera and send abroad. Aby Yazan Hamas explains of his personal experience of seeing Iranian regime mercenaries captured and interviewed by Syrian Freedom Fighters. In his broadcast he says Iranian regime is behind all the violent atrocities and supplies guns and mercenaries for the horrific massacres. The clip is translated into Farsi , unfortunately not into English yet. 

http://www.youtube.com/watch?v=ZI3E6UHzPV0&feature=share%27%2C%29