>does "being in London contemperaneously" imply she was going along with it, or could she have been quietlly observing?
She was involved in running it. The [RR] of the CIA.
POTUS was cordial and supportive of PM May. Their previous encounter was far chillier. Our Beloved leader already knows who did what when and for the sake of the masses it's just playing out. Positions in place, at long last.