Could mean whoever they define.
Which has become fairly significant, since Obama has declared that he has the personal authority to order a drone strike on any American he "deems" a threat, and that he can do so outside of the rule of law, the oversight of Congress, any known due process and within top secret status.
Some leftists have openly admitted this,
but it’s in the hearts of all of them -
they desire to use the State to kill those who oppose them.