… That the terrorists, despite being under constant attack and previously only using very basic drones like this:
….Could advance in such a short time to these:
This is what the Syrian Arab Army shot out of the sky near Deir Ezzor. I don’t think ISIS got these free with a packet of Kellogs Cornflakes.
duplicitousdemocracy.wordpress.com 
Can you prove this was shot down? I see no evidence that it has been shot or fallen out of the sky. There seems to be no damage to the quadcopter that backs this up.
I’ve added a picture of the underside to clarify it .