Honey trap - but the media will not investigate.
I indirectly know these people and more importantly I do know this crowd.
Probably not espionage.
These folks are what you would call social climbers, the twin girls in particular. In truth they come from what we used to call trailer trash and used their looks to advance into a higher level of society.
I used to work with an individual desperately trying to hang with this crowd and quite simply they were legends in their own minds, constant name droppers.
In my opinion what we have here is a whole group of these people and they used their military contacts to puff themselves up. Think of High School and the various subsets and you will get the idea. The women are incredibly catty.
The question is is the a national security risk e.g. working for a foreign power? I don’t think so. But I do know that they are all about themselves.