

Obvious possibilities:
- he was suspected of espionage and arrested (we don’t know whether he did anything), for some reason it hasn’t been disclosed (it should be disclosed)
- he disappeared on his own, officials are trying to understand what he knew or accomplished
The university de-listing him seems particularly interesting. Clearly they were told something that the public wasn’t told.
Not only that, but the table itself tells a lie.
They needed numbers to look like other countries are mistreating the US. They made up some numbers. He went on the big screen to tell yet another lie.
For example, the average tariff on US goods in Europe until now is around 4% (probably less). He’s representing it as 39%.