So it has its own cellular infrastructure, recording pings from nearby phones as they automatically seek to maintain connectivity. The result is videos like this one, uploaded by Bellingcat. Its a large stone building, constructed well before things like wireless phone signals were something to consider. One of the leaders of the group, named Stringer Bell, comes over. (Heres a YouTube playlist of some.)
So it has its own airplane assassination sector.
( z0 infer :ARG1 ( z1 have :ARG0 ( z2 it ) :ARG1 ( z3 sector :mod ( z4 assassinate :ARG1 ( z5 airplane ) ) :poss z2 ) ) )
(z0 / infer-01
    :ARG1 (z1 / have-03
              :ARG0 (z2 / it)
              :ARG1 (z3 / sector
                        :mod (z4 / assassinate-01
                                 :ARG1 (z5 / airplane))
                        :poss z2)))
So it has its own airplane assassination sector .
z1 :ARG0 z2
z0 :ARG1 z1
z4 :ARG1 z5
z3 :mod z4
z1 :ARG1 z3
z3 :poss z2