A decisive strategy
Because of his professional background as a photographer, John has an edge in this scenario. Photographic, recording, and monitoring skills helped him come up with a solution to the problem. He didn’t have to do anything since he already had all he needed.
He planned to use a drone to keep an eye on her from afar. She won’t be alarmed by the presence of drones since they fly so high and for so many different purposes. She’ll have no basis for suspicion, and he’ll be well-equipped to remove any uncertainty. Things will return to normal if all goes smoothly.