Take heed that they mean this.....and they are coming in swarms thru Italy to Europe...not to mention Obama bringing thousands now from Syria as refuges....
ISIS has now said they will overwhelm the immigration/refugee systems in countries and infiltrate the refugee groups with hundreds of ISIS members. Note that In Italy already they are overwhelming...and it's almost 90% all men....2,000 were taken in on 2/15/2015..in just one day