Motive?
Not performing as ordered. He is no longer the derp state's and China's mad dog. Too close to Trump. Replace him with a more compliant psycho.
Let's see if I'm right.
I think your theory makes sense.
Remember that China (supposedly) sent medical help? Why would they do that if KJU were already dead or brain dead?
Something doesn’t add up.
Sounds like a reasonable theory to me.