The mentioned source (yeni şafak newspaper) is blindly loyal to erdogan, and not a very reliable source. But still, this one might be telling the truth.
4:16 AM, August 4, 2016, Zenaan Harkness <zen@freedbms.net>:
Sounds plausible, and right in line with CIA SOP since before it was the
CIA:
$2 billion: CIA's bill for Turkish coup
http://www.fort-russ.com/2016/08/2-billion-cias-bill-for-turkish-coup.html
A few more interviews and this will be just another CIA coup/ attempt
to add to the litany.