[aladoc99]

"the "spray bottle" tells us that the agent was targeting respiratory system, not dermal. "

I'm not sure this follows. If the cloth was impregnated with one of the binary components and the other was sprayed on the cloth, then VX would be synthesized right there in contact with the skin. I don't know that you could be sure a lethal dose would be inhaled in one or two seconds.

[jabl]

I imagine NK is the sort of regime that doesn't have moral qualms about testing this on, say, political prisoners, before using it in an actual assassination attempt.