The lady said she saw nothing while taking the photograph, which leads me to suspect it is just a bug flying in front of the lens. I’ve seen similar photos of “UFOs” that turn out to have more mundane answers.
One poster there asked why these pics are always out of focus. One answer might be that their powerplants ionize the surrounding air - I have seen pics of an aerial device taken by a high-quality rocket tracking camera that was just as fuzzy. On the other hand, it just may the “UFO” was too close to the lens.
“They” may be here, but I doubt that this is one of ‘em.
I would ask first what was her camera shutter speed.