Foreignness factor:
The person has stated that he is located outside the U.S.
Human intelligence source indicates person is located outside the U.s.
The person is a user of storage media seized outside the U.s.
Foreign govt indicates that the person is located outside the U.s.
Phone number country code indicates the person is located outside the U.s.
Phone number is registered in a country other than the U.S.
SIGINT reporting confirms person is located outside the U.S.
Open source information indicates person is located outside the U.s.
Network, machine or tech info indicates person is located outside the U.s.
In direct contact w/ tgt overseas no info to show proposed tgt in U.S.
It's quite easy to lose the protections of a U.S. citizen indeed!