

Alright this is knee-jerk speculation, but the only reason I can think of for the FBI collecting evidence like this (the moving boxes) and the university not saying anything, is because it was determined Prof. Wang is a Chinese agent. It’s very unlikely ICE would come after professors, could do it silently, and someone in an area of expertise that is highly sought-after would be deported at all. And they wouldn’t include the FBI either.
If it is determined without a doubt that he’s an Agent, the government he spied for will be contacted to see if there are any deals to be made. If not, he will simply be prosecuted and jailed for later use. The fact that he is prosecuted and why will be made public, but the actual prosecution not for national security reasons.