Yes, someone is watching her. Regardless of intent someone is just out of reach and they are watching her.
Build a Jacob’s Ladder. When the drone comes over in a manageable place, turn it on.
RF devices HATE Jacobs ladders. Go scoop it up and enjoy your new toy.
Shoot, shovel and shut up.
If it IS a military drone, the operator would be in a quandary as to how to explain what he was doing flying over civilian property at low altitude watching a pretty girl instead of his job..................