On FEMA testing, a strange MP arrest for alleged espionage: what's up?

I've been watching the strange news that has come out in the last few days about this 22-year-old Military Police Specialist, William Millay, and the alleged attempted espionage that he is being held for (not yet charged with). Does anyone have any insight into this case? It's very strange. See this article:

https://www.examiner.com/courts-in-lexington/strange-case-of-kentucky-soldier-charged-with-espionage