Note the one-sided Wikipedia entry for the Shabiha, the group in which these victims are alleged members: http://en.wikipedia.org/wiki/Shabiha
From day one, through all these articles, my BS meter has been telling me to lean toward Assad as the better party to govern Syria.
"Trust us. We are the good guys. Watch us as we behead the enemy in front of children. Believe us, the people we are beheading are really bad people. I hope this inspires you to support our cause."
Then they run off and gas 1,400 people and blame it on the other side.
Based on this alone, I'm with your supposed enemy and against my own government that is training these savages.