Intelligence officials revealed that it’s no longer just a threat, but an actual occurrence – ISIS terrorists have tried to use the refugee program to enter the United States, but President Obama is keeping the information secret from the American public.
Most Americans are not aware of the multitude of visa categories available to aliens who wish to enter the United States. It's quite literally an alphabet soup. The problem is that it's hard to know what's in it - the ingredients are very difficult to manage.
... It is worth considering that the Oxford Dictionary’s first definition of integrity addresses the issue of “moral uprightness” while the second definition equates integrity with “national sovereignty.”