Good suggestion
This subject was tackled earlier, when the complete disconnect between trying the 911 conspirators and other known Islamic terrorists in civil court, complete with full Constitutional protections, which would include the divulging of classified intelligence gathering tactics that the "defense has a right to see", while at the same time we're targeting and killing suspected terrorists with drones and other military assests....judge/jury/conviction, in the matter of seconds.
This topic is largely no difference. Regardless of whether this known terrorist is an "american citizen", if he is functioning as an militant islamic enemy combatant, who we are at war with, the 1st drone that sees him, takes him out. That is war. That is what these radical Islamic have brought about. They started it, we're going to have to finish it
IMHO