>Is it related to https://en.wikipedia.org/wiki/July_2009_%C3%9Cr%C3%BCmqi_rio.... ?

Well, let us examine this possibility by reading the article.

That was in 2009 and according to the featured article, in 2010 he was promoted to the President and Vice Secretary of the Communist Party of Xinjiang University and he only recently disappeared in 2017.

So I am guessing it would be rather unlikely.

>It's a complex thing, as I know, there's too many media misleading, in both side.

This is also something of a problem in the commentary, it would appear.