I recall seeing something about that this morning. Do you remember where you saw it? I am sure I will come across it again.
How Turkey Exports ISIS Oil To The World: The Scientific Evidence
When Russia started really hammering the tanker trucks carrying oil ISIS was stealing from the Syrian fields is when, I'm certain, Turkey felt the need to shoot down Russia's jet.
There are other reports of Obama turning a blind eye to Turkey helping to finance ISIS by selling this oil. I don't doubt that at all. Erdogan and Obama are both unhinged evil men.