The theory at that time was the observatory was within proximity to spying on a mil base, the "Official" was a janitor downloading CP over the wifi. Not buying that, the response of feds in blackhawks seemed a bit much for that kind of thing. https://www.iflscience.com/space/we-finally-know-why-that-solar-observatory-in-new-mexico-was-closed-by-the-fbi/