CIA Director Warns of ISIS Using Refugee Streams to Move Operatives

CIA Director John Brennan through his Chief intelligence correspondent Catherine Herridge has warned the US that ISIS  has a large fighting force and is sending operatives to launch attacks in the West. 

Brennan said ISIS is likely to use more "guerilla tactics" and launch attacks outside the Middle East, including in the U.S., to compensate for a loss of territory in Iraq and Syria. 

He said that despite battlefield setbacks, ISIS's  is still determined to carry out global attacks through

 using "refugee streams, traditional smuggling routes and legitimate travel" to move its operatives into place.

 Source://insider.foxnews.com