This was a portrait of a group of extraterrestrial spirits requested to show up and put in an appearance energetically, in order to be captured by her camera. So these are indeed true extraterrestrial spirits on film and not simply spirit meddlers. This is an example of their ability to manipulate and to pull out the stops, so to speak, when they want to make an impression. This is why people may receive a flyby from an alien craft, or an actual visitation by human clones, or a visit by alien Greys. In the case of your client, she has this deeper history, and is a person of interest accordingly. That is why the series of events has transpired to make her aware of the high strangeness of repeated episodes that, to her, smack of science-fiction-type phenomena. It indeed is extraterrestrial in origin and is sinister as well.