Free Syrian Army
A high ranking Islamic State official, Abu Yusaf said in an interview in 2014, "In the East of Syria, there is no Free Syrian Army any longer. All Free Syrian Army people [there] have joined the Islamic State." He said this after the Central Intelligence Agency (CIA) and the Turkish Land Forces finished training the Free Syrian Army. The Islamic's state sweep of Iraq and Syria affected the size of the Free Syrian Army, and former fighters joining the Islamic State.