The difficulties of conducting espionage against the Soviet Union in the Soviet Union were such that historically the Agency had backed away from the task. ↗
All I know is that these two gases both had a quite extraordinary effect, and that there was no respirator, and no protection against them that we knew of. So the soldiers would have been unable to protect themselves against this gas in any way. ↗
The one thing that I know government is good for is countervailing against monopoly. It's not great at that either, but it's the only force I know that is fairly reliable. ↗