The following RT video shows a presentation by Russian military officers about the oil trade between the Islamic State and Turkey.
Yes, I know this is Russian propaganda. But is not dezinformatsya. That is, it is presented in a way that serves Russian interests, which means it is designed to do maximum damage to the Turkey and the United States. But the information it contains is not false; these facts have been widely available for more than a year, for anyone who cared to look for them.
There is no doubt that the NSA and the CIA already possess the same information, and probably a lot more. Officials at the highest levels of the US government are well aware that President Erdogan and his family are doing a lucrative business with ISIS and providing the terrorists with a level of financing that they would otherwise have difficulty obtaining.
It may even be official (albeit secret) US policy to prop up the Islamic State in this fashion, in order to serve state interests that mere peons like us are not allowed to know. Interests that presumably intertwine with those of Al-Ikhwan Al-Muslimeen.
Take a look at what the Russians have to show us. They say there is more to come — they are doing a time-release with this stuff to have the maximum effect:
Hat tip: Vlad Tepes.