LOL
Welp, I was back in the area today and a tradesman working in the area again noticed me, and had witnessed the whole thing yesterday.
He said he was sitting on a nearby stone wall, and was admiring the drone as it hovered. Apparently...
Live and learn - she seemed like a nice lady and tourist with a massively heavy suitcase. As I am moving it, she says, "And don't tell anyone what you are doing or where you are taking me, they have all been out to kill me and they are after me...