CNN The Situation Room June 18, 2014 22:10:00
Is they can train and recruit without any influence of any western powers. . >> reporter: they gather volunteers and weapons, spent years breaking senior leaders out of prison. but how were they able to take mosul, a city of almost 2 million? >> intimidating local security forces through bombs in their homes, by targeting key leaders for assassination, making them a softer target for the assault that would someday come which we can confirm was a very easy assault. >> reporter: then to hold mosul and other cities they have captured pure mafia tactics. >> extorting money, but there was a recent ...