[xone]

He was supposedly administered VX gas

There would be a hell of a lot more dead, including the two assassins. VX can easily be eliminated as the cause. Every emergency person who responded would be dead at the scene.

[CivilWarBrewing]

I thought about this..

But what if NK designed a delivery system that can be safely targeted to one individual?

[CivilWarBrewing]

Not to rub it in, but..:

Kim Jong Nam Killed With VX Nerve Agent, Malaysia Says