May not be too difficult...since they likely have sent hundreds of 'operators' through our open borders over the last 3 years.
    https://www.frontpagemag.com/an-attack-on-hamas-is-an-attack-on-qatar-an-attack-on-the-muslim-brotherhood-is-an-attack-on-qata  Global Risk   
      Advisers (GRA) have apparently been training operators, and the Islamists may go after some of our senators..  Apparently Lots of "bad eggs" tied 
       in with them .       
     .... From the text;   
"While GRA appears to have done a lot of work for Qatar, the AP revealed that “its affiliates have won small contracts with the FBI for a rope-training course and tech consulting work for the Democratic National Committee.”" .